21448793520

Names of 21448793520

• Cardinal: 21448793520 can be written as Twenty-one billion, four hundred forty-eight million, seven hundred ninety-three thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.144879352 × 10¹⁰

Factors of 21448793520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 140

Divisors of 21448793520

• Number of divisors d(n): 1440
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 23 24 27 28 30 33 35 36 40 42 44 45 46 48 49 54 55 56 60 63 66 69 70 72 77 80 81 84 88 89 90 92 98 99 105 108 110 112 115 120 126 132 135 138 140 144 147 154 161 162 165 168 176 178 180 184 189 196 198 207 210 216 220 230 231 240 243 245 252 253 264 267 270 276 280 294 297 308 315 322 324 330 336 345 356 360 368 378 385 392 396 405 414 420 432 440 441 445 460 462 483 486 490 495 504 506 528 534 539 540 552 560 567 588 594 616 621 623 630 644 648 660 690 693 712 720 735 756 759 770 784 792 801 805 810 828 840 880 882 890 891 920 924 945 966 972 979 980 990 1008 1012 1035 1068 1078 1080 1104 1127 1134 1155 1176 1188 1215 1232 1242 1246 1260 1265 1288 1296 1320 1323 1335 1380 1386 1424 1449 1470 1485 1512 1518 1540 1584 1602 1610 1617 1620 1656 1680 1701 1764 1771 1780 1782 1840 1848 1863 1869 1890 1932 1944 1958 1960 1980 2024 2047 2070 2079 2136 2156 2160 2205 2254 2268 2277 2310 2352 2376 2403 2415 2430 2484 2492 2520 2530 2576 2640 2646 2670 2673 2695 2760 2772 2835 2898 2937 2940 2970 3024 3036 3080 3105 3115 3204 3220 3234 3240 3312 3381 3402 3465 3528 3542 3560 3564 3696 3726 3738 3780 3795 3864 3888 3916 3920 3960 3969 4005 4048 4094 4140 4158 4272 4312 4347 4361 4410 4455 4508 4536 4554 4620 4752 4806 4830 4851 4860 4895 4968 4984 5040 5060 5292 5313 5340 5346 5390 5520 5544 5589 5607 5635 5670 5796 5874 5880 5940 6072 6141 6160 6210 6230 6237 6408 6440 6468 6480 6615 6762 6804 6831 6853 6930 7056 7084 7120 7128 7209 7245 7452 7476 7560 7590 7728 7832 7920 7938 8010 8085 8188 8280 8316 8505 8624 8694 8722 8811 8820 8855 8910 9016 9072 9108 9240 9315 9345 9612 9660 9702 9720 9790 9936 9968 10120 10143 10235 10395 10584 10626 10680 10692 10780 11088 11178 11214 11270 11340 11385 11592 11748 11760 11880 11907 12015 12144 12282 12397 12420 12460 12474 12816 12880 12936 13041 13083 13230 13365 13524 13608 13662 13706 13860 14168 14256 14329 14418 14490 14553 14685 14904 14952 15120 15180 15664 15876 15939 16020 16170 16376 16560 16632 16821 16905 17010 17388 17444 17622 17640 17710 17820 18032 18216 18423 18480 18630 18690 18711 19224 19320 19404 19440 19580 19845 20240 20286 20470 20493 20559 20790 21168 21252 21360 21384 21560 21627 21735 21805 22356 22428 22517 22540 22680 22770 23184 23496 23760 23814 24030 24255 24564 24794 24840 24920 24948 25872 26082 26166 26433 26460 26565 26730 27048 27216 27324 27412 27720 27945 28035 28336 28658 28836 28980 29106 29370 29808 29904 30360 30429 30705 31185 31752 31878 32040 32340 32752 33264 33642 33810 34020 34155 34265 34776 34888 35244 35280 35420 35640 36045 36432 36846 37191 37260 37380 37422 38448 38640 38808 39123 39160 39249 39690 40572 40940 40986 41118 41580 42504 42768 42987 43120 43254 43470 43610 43659 44055 44712 44856 45034 45080 45360 45540 46992 47628 47817 47971 48060 48510 49128 49588 49680 49840 49896 50463 50715 52164 52332 52866 52920 53130 53460 54096 54648 54824 55269 55440 55890 56070 57316 57672 57960 58212 58740 59535 60720 60858 61410 61479 61677 61985 62370 63504 63756 64080 64680 65205 65415 67284 67551 67620 68040 68310 68530 69552 69776 70488 70840 71280 71645 72090 72765 73692 74382 74520 74760 74844 77616 78246 78320 78498 79299 79380 79695 81144 81880 81972 82236 83160 84105 85008 85974 86508 86940 87220 87318 88110 89424 89712 90068 90160 91080 91287 92115 93555 95256 95634 95942 96120 97020 98256 99176 99792 100303 100926 101430 102465 102795 104328 104664 105732 105840 106260 106920 108135 109296 109648 110538 111573 111780 112140 112585 114632 115344 115920 116424 117480 117747 119070 121716 122820 122958 123354 123970 124740 127512 128961 129360 130410 130830 130977 132165 134568 135102 135240 136080 136620 137060 140976 141680 143290 143451 143913 144180 145530 147384 148764 149040 149520 149688 151389 152145 156492 156996 157619 158598 158760 159390 162288 163760 163944 164472 165807 166320 168210 171948 173016 173880 174440 174636 176220 180136 182160 182574 184230 185031 185955 187110 190512 191268 191884 192240 194040 195615 196245 198352 200606 201852 202653 202860 204930 205590 208656 209328 211464 212520 213840 214935 216270 218295 221076 223146 223560 224280 225170 229264 232848 234960 235494 237897 238140 239085 239855 243432 245640 245916 246708 247940 249480 252315 255024 257922 260820 261660 261954 264330 269136 270204 270480 273240 273861 274120 276345 286580 286902 287826 288360 291060 294768 297528 299376 300909 302778 304290 307395 308385 312984 313992 315238 317196 317520 318780 327888 328944 331614 334719 336420 337755 343896 346032 347760 348880 349272 352440 353241 360272 365148 368460 370062 371910 374220 382536 383768 386883 388080 391230 392490 396495 401212 403704 405306 405720 409860 411180 422928 425040 429870 430353 431739 432540 436590 442152 446292 447120 448560 450340 456435 470988 472857 475794 476280 478170 479710 486864 491280 491832 493416 495880 497421 498960 501515 504630 515844 521640 523320 523908 528660 540408 546480 547722 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1644720 1658070 1665279 1673595 1719480 1721412 1726956 1730160 1746360 1766205 1785168 1801360 1805454 1823877 1825740 1850310 1883952 1891428 1903176 1912680 1918840 1934415 1989684 2006060 2008314 2018520 2026530 2063376 2095632 2114640 2119446 2151765 2158695 2190888 2206666 2210760 2220372 2231460 2295216 2302608 2321298 2354940 2364285 2378970 2407272 2422224 2431836 2434320 2459160 2467080 2487105 2521904 2579220 2590434 2619540 2652912 2677752 2702040 2708181 2738610 2775465 2825928 2837142 2869020 2878260 2960496 2975280 3009090 3012471 3027780 3039795 3095064 3129840 3139920 3152380 3171960 3242448 3309999 3316140 3330558 3347190 3438960 3442824 3453912 3481947 3492720 3532410 3610908 3647754 3651480 3700620 3782856 3806352 3825360 3837680 3868830 3885651 3979368 4012120 4016628 4037040 4053060 4238892 4255713 4303530 4317390 4381776 4413332 4421520 4440744 4462920 4513635 4642596 4709880 4728570 4757940 4814544 4863672 4918320 4934160 4974210 5020785 5158440 5180868 5239080 5298615 5355504 5404080 5416362 5471631 5477220 5516665 5550930 5651856 5674284 5738040 5756520 5803245 6018180 6024942 6055560 6079590 6190128 6304760 6343920 6476085 6619998 6632280 6661116 6694380 6885648 6907824 6963894 7064820 7092855 7221816 7295508 7302960 7401240 7565712 7737660 7771302 7958736 8024240 8033256 8106120 8124543 8326395 8477784 8511426 8607060 8634780 8826664 8881488 8925840 9027270 9119385 9285192 9419760 9457140 9515880 9727344 9929997 9948420 10041570 10316880 10361736 10478160 10597230 10832724 10943262 10954440 11033330 11101860 11348568 11476080 11513040 11606490 11656953 12036360 12049884 12111120 12159180 12609520 12767139 12952170 13239996 13264560 13322232 13388760 13540905 13927788 14129640 14185710 14443632 14591016 14802480 15062355 15475320 15542604 16066512 16212240 16249086 16549995 16652790 16955568 17022852 17214120 17269560 17409735 17653328 18054540 18238770 18570384 18914280 19031760 19428255 19859994 19896840 20083140 20723472 21194460 21278565 21665448 21886524 21908880 22066660 22203720 22697136 23212980 23313906 24072720 24099768 24318360 24373629 25534278 25904340 26479992 26644464 26777520 27081810 27358155 27855576 28259280 28371420 29182032 29789991 30124710 30950640 31085208 32498172 33099990 33305580 34045704 34428240 34539120 34819470 36109080 36477540 37828560 38301417 38856510 39719988 39793680 40166280 40622715 42388920 42557130 43330896 43773048 44133320 44407440 46425960 46627812 48199536 48636720 48747258 49649985 51068556 51808680 52959984 54163620 54716310 55711152 56742840 58284765 59579982 60249420 62170416 63835695 64996344 66199980 66611160 68091408 69638940 72218160 72955080 76602834 77713020 79439976 80332560 81245430 84777840 85114260 87546096 88266640 89369973 92851920 93255624 97494516 99299970 102137112 103617360 108327240 109432620 113485680 116569530 119159964 120498840 121868145 127671390 129992688 132399960 133222320 139277880 145910160 148949955 153205668 155426040 158879952 162490860 170228520 178739946 186511248 191507085 194989032 198599940 204274224 216654480 218865240 233139060 238319928 240997680 243736290 255342780 264799920 268109919 278555760 297899910 306411336 310852080 324981720 340457040 357479892 383014170 389978064 397199880 437730480 446849865 466278120 476639856 487472580 510685560 536219838 595799820 612822672 649963440 714959784 766028340 794399760 893699730 932556240 974945160 1021371120 1072439676 1191599640 1340549595 1429919568 1532056680 1787399460 1949890320 2144879352 2383199280 2681099190 3064113360 3574798920 4289758704 5362198380 7149597840 10724396760 21448793520
• Sum of all divisors σ(n): 100028597760
• Sum of proper divisors (its aliquot sum) s(n): 78579804240
• 21448793520 is an abundant number, because the sum of its proper divisors (78579804240) is greater than itself. Its abundance is 57131010720

Bases of 21448793520

• Binary: 10011111110011100101001110110110000₂
• Hexadecimal: 0x4FE729DB0
• Base-36: 9UQ2300

Squares and roots of 21448793520

• 21448793520 squared (21448793520²) is 460050743463593990400
• 21448793520 cubed (21448793520³) is 9867533405273117137202462208000
• The square root of 21448793520 is 146454.0662460417
• The cube root of 21448793520 is 2778.4395742325

Scales and comparisons

• 21,448,793,520 seconds is equal to 682 years, 1 day, 22 hours, 12 minutes.
• To count from 1 to 21,448,793,520 would take you about one thousand, three hundred sixty-four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21448793520 cubic inches would be around 231.5 feet tall.

Recreational maths with 21448793520

• 21448793520 backwards is 02539784412
• 21448793520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21448793520's digits is 45
• More coming soon!