20831021640

Names of 20831021640

• Cardinal: 20831021640 can be written as Twenty billion, eight hundred thirty-one million, twenty-one thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.083102164 × 10¹⁰

Factors of 20831021640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 313

Divisors of 20831021640

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 18 19 20 22 24 26 27 30 31 33 36 38 39 40 44 45 52 54 55 57 60 62 65 66 72 76 78 88 90 93 95 99 104 108 110 114 117 120 124 130 132 135 143 152 155 156 165 171 180 186 190 195 198 209 216 220 228 229 234 247 248 260 264 270 279 285 286 297 310 312 330 341 342 351 360 372 380 390 396 403 418 429 440 456 458 465 468 494 495 513 520 540 558 570 572 585 589 594 620 627 660 682 684 687 702 715 741 744 760 780 792 806 836 837 855 858 916 930 936 988 990 1023 1026 1045 1080 1116 1140 1144 1145 1170 1178 1188 1209 1235 1240 1254 1287 1320 1364 1368 1374 1395 1404 1430 1482 1485 1560 1612 1672 1674 1705 1710 1716 1755 1767 1832 1860 1881 1976 1980 2015 2046 2052 2061 2090 2145 2223 2232 2280 2290 2340 2356 2376 2418 2470 2508 2519 2565 2574 2717 2728 2748 2790 2808 2860 2945 2964 2970 2977 3069 3135 3224 3348 3410 3420 3432 3435 3510 3534 3627 3705 3720 3762 3861 3960 4030 4092 4104 4122 4180 4185 4290 4351 4433 4446 4580 4680 4712 4836 4940 5016 5038 5115 5130 5148 5301 5434 5496 5580 5643 5720 5890 5928 5940 5954 6045 6138 6183 6270 6435 6479 6669 6696 6820 6840 6870 7020 7068 7099 7254 7410 7524 7557 7657 7722 8060 8151 8184 8244 8360 8370 8580 8702 8835 8866 8892 8931 9160 9207 9405 9672 9880 10076 10230 10260 10296 10305 10602 10868 10881 11115 11160 11286 11780 11880 11908 12090 12276 12366 12540 12595 12870 12958 13053 13299 13338 13585 13640 13740 14040 14136 14198 14508 14820 14885 15048 15114 15314 15345 15444 15903 16120 16302 16488 16740 17160 17404 17670 17732 17784 17862 18135 18414 18810 19305 19437 20152 20460 20520 20610 21204 21297 21736 21755 21762 22165 22230 22572 22671 22971 23560 23816 24180 24453 24552 24732 25080 25190 25740 25916 26106 26505 26598 26676 26793 27170 27480 28215 28396 29016 29640 29770 30228 30628 30690 30888 30915 31806 32395 32604 32747 33345 33480 34808 35340 35464 35495 35724 36270 36828 37620 37785 38285 38610 38874 39159 39897 40755 40920 41220 42408 42594 43510 43524 44330 44460 44655 45144 45342 45942 46035 47861 48360 48906 49464 50380 51480 51832 52212 53010 53196 53352 53586 54340 54405 56430 56563 56792 58311 59540 60456 61256 61380 61830 63612 63891 64790 65208 65265 65494 66495 66690 68013 68913 70680 70990 71448 72540 73359 73656 75240 75570 76570 77220 77748 78089 78318 79515 79794 80379 81510 82440 84227 85188 87020 87048 88660 88920 89310 90684 91884 92070 92287 95722 97185 97812 98241 100760 104424 106020 106392 106485 107172 108680 108810 112860 113126 113355 114855 116622 117477 119080 119691 122265 122760 123660 127224 127782 129580 130530 130988 132990 133380 133965 134881 136026 137826 141980 143583 145080 146718 151140 153140 154440 155496 156178 156636 159030 159588 160758 163020 163735 168454 169689 170376 174040 174933 177320 178620 181368 183768 184140 184574 191444 191673 194370 195624 195795 196482 199485 206739 212040 212970 214344 217620 225720 226252 226710 229710 233244 234267 234954 239305 239382 244530 247320 252681 255564 259160 261060 261976 265980 266760 267930 269762 272052 275652 276861 282815 283960 287166 291555 293436 294723 302280 306280 312356 313272 318060 319176 319455 321516 326040 327470 336908 339378 340065 344565 349866 357240 366795 368280 369148 382888 383346 388740 390445 391590 392964 398970 401895 404643 413478 421135 425940 430749 435240 452504 453420 459420 461435 466488 468534 469908 478610 478764 489060 491205 505362 509067 511128 522120 531960 535860 539524 544104 551304 553722 565630 574332 583110 586872 587385 589446 598455 622193 624712 636120 638910 643032 654940 673816 674405 678756 680130 689130 699732 702801 717915 733590 738296 758043 766692 777480 780890 783180 785928 797940 803790 809286 826956 830583 842270 848445 851880 861498 874665 884169 906840 918840 922870 937068 939816 957220 957528 958365 978120 982410 1010724 1015157 1018134 1033695 1071720 1079048 1107444 1131260 1148664 1166220 1171335 1174770 1178892 1196910 1213929 1244386 1263405 1277820 1292247 1309880 1348810 1357512 1360260 1378260 1384305 1399464 1405602 1435830 1467180 1473615 1483691 1516086 1527201 1533384 1561780 1566360 1595880 1607580 1618572 1653912 1661166 1684540 1696890 1722996 1749330 1753453 1768338 1845740 1866579 1874136 1914440 1916730 1964820 2021448 2023215 2030314 2036268 2067390 2108403 2153745 2214888 2262520 2274129 2332440 2342670 2349540 2357784 2393820 2427858 2488772 2491749 2526810 2545335 2555640 2584494 2697620 2720520 2756520 2768610 2811204 2871660 2934360 2947230 2967382 3032172 3045471 3054402 3110965 3123560 3215160 3237144 3322332 3369080 3393780 3445992 3498660 3506906 3514005 3536676 3641787 3691480 3733158 3790215 3833460 3929640 4046430 4060628 4072536 4134780 4152915 4216806 4307490 4420845 4451073 4548258 4685340 4699080 4787640 4855716 4977544 4983498 5053620 5075785 5090670 5168988 5260359 5395240 5537220 5599737 5622408 5743320 5894460 5934764 6064344 6069645 6090942 6108804 6221930 6461235 6644664 6787560 6997320 7013812 7028010 7073352 7283574 7418455 7466316 7580430 7636005 7666920 8092860 8121256 8269560 8305830 8433612 8614980 8767265 8841690 8902146 9096516 9136413 9332895 9370680 9711432 9966996 10107240 10151570 10181340 10337976 10520718 10542015 11074440 11199474 11370645 11788920 11869528 12139290 12181884 12217608 12443860 12458745 12922470 13353219 14027624 14056020 14567148 14836910 14932632 15160860 15227355 15272010 15781077 16185720 16611660 16799211 16867224 17229960 17534530 17683380 17804292 18193032 18208935 18272826 18665790 19287983 19933992 20303140 20362680 21041436 21084030 22255365 22398948 22741290 24278580 24363768 24887720 24917490 25844940 26301795 26706438 27409239 27998685 28112040 29134296 29673820 30321720 30454710 30544020 31562154 33223320 33598422 35069060 35366760 35608584 36417870 36545652 37331580 38575966 40059657 40606280 42082872 42168060 44510730 44797896 45482580 45682065 47343231 48557160 49834980 51689880 52603590 53412876 54818478 55997370 57863949 59347640 60909420 61088040 63124308 66766095 67196844 70138120 72835740 73091304 74663160 77151932 78905385 80119314 83996055 84336120 89021460 90965160 91364130 94686462 96439915 99669960 105207180 106825752 109636956 111994740 115727898 121818840 126248616 133532190 134393688 137046195 145671480 154303864 157810770 160238628 167992110 173591847 178042920 182728260 189372924 192879830 200298285 210414360 219273912 223989480 231455796 236716155 267064380 274092390 289319745 315621540 320477256 335984220 347183694 365456520 378745848 385759660 400596570 462911592 473432310 520775541 534128760 548184780 578639490 631243080 671968440 694367388 771519320 801193140 867959235 946864620 1041551082 1096369560 1157278980 1388734776 1602386280 1735918470 1893729240 2083102164 2314557960 2603877705 3471836940 4166204328 5207755410 6943673880 10415510820 20831021640
• Sum of all divisors σ(n): 89026560000
• Sum of proper divisors (its aliquot sum) s(n): 68195538360
• 20831021640 is an abundant number, because the sum of its proper divisors (68195538360) is greater than itself. Its abundance is 47364516720

Bases of 20831021640

• Binary: 10011011001101000000010101001001000₂
• Hexadecimal: 0x4D9A02A48
• Base-36: 9KI9360

Squares and roots of 20831021640

• 20831021640 squared (20831021640²) is 433931462566148289600
• 20831021640 cubed (20831021640³) is 9039235686992284952106586944000
• The square root of 20831021640 is 144329.5591346415
• The cube root of 20831021640 is 2751.5042630715

Scales and comparisons

• 20,831,021,640 seconds is equal to 662 years, 18 weeks, 5 days, 18 hours, 54 minutes.
• To count from 1 to 20,831,021,640 would take you about one thousand, three hundred twenty-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 20831021640 cubic inches would be around 229.3 feet tall.

Recreational maths with 20831021640

• 20831021640 backwards is 04612013802
• 20831021640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20831021640's digits is 27
• More coming soon!