21988806840

Names of 21988806840

• Cardinal: 21988806840 can be written as Twenty-one billion, nine hundred eighty-eight million, eight hundred six thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.198880684 × 10¹⁰

Factors of 21988806840

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 443

Divisors of 21988806840

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 20 21 22 23 24 26 28 30 33 35 36 39 40 42 44 45 46 49 52 55 56 60 63 65 66 69 70 72 77 78 84 88 90 91 92 98 99 104 105 110 115 117 120 126 130 132 138 140 143 147 154 156 161 165 168 180 182 184 195 196 198 207 210 220 230 231 234 245 252 253 260 264 273 276 280 286 294 299 308 312 315 322 330 345 360 364 379 385 390 392 396 414 420 429 440 441 455 460 462 468 483 490 495 504 506 520 539 546 552 572 585 588 598 616 630 637 644 660 690 693 715 728 735 758 759 770 780 792 805 819 828 840 858 882 897 910 920 924 936 966 980 990 1001 1012 1035 1078 1092 1127 1137 1144 1155 1170 1176 1196 1260 1265 1274 1287 1288 1320 1365 1380 1386 1430 1449 1470 1495 1516 1518 1540 1560 1610 1617 1638 1656 1716 1764 1771 1794 1820 1848 1895 1911 1932 1960 1980 2002 2024 2070 2093 2145 2156 2184 2205 2254 2274 2277 2310 2340 2392 2415 2520 2530 2548 2574 2653 2691 2695 2730 2760 2772 2860 2898 2940 2990 3003 3032 3036 3080 3185 3220 3234 3276 3289 3381 3411 3432 3465 3528 3542 3588 3640 3790 3795 3822 3864 3960 4004 4095 4140 4169 4186 4290 4312 4410 4485 4508 4548 4554 4620 4680 4830 4851 4927 5005 5060 5096 5148 5306 5313 5382 5390 5460 5544 5635 5685 5720 5733 5796 5880 5980 6006 6072 6279 6370 6435 6440 6468 6552 6578 6762 6822 6930 7007 7084 7176 7245 7580 7590 7644 7959 8008 8085 8190 8280 8338 8372 8580 8717 8820 8855 8970 9009 9016 9096 9108 9240 9555 9660 9702 9854 9867 10010 10120 10143 10296 10465 10612 10626 10764 10780 10920 11270 11370 11385 11466 11592 11960 12012 12397 12507 12558 12740 12870 12936 13156 13265 13455 13524 13644 13860 14014 14168 14490 14651 14781 15015 15160 15180 15288 15918 15939 16170 16380 16445 16676 16744 16905 17055 17160 17434 17640 17710 17940 18018 18216 18571 18837 19110 19320 19404 19708 19734 20020 20286 20845 20930 21021 21224 21252 21528 21560 22540 22740 22770 22932 23023 23877 24024 24255 24635 24794 25014 25116 25480 25740 26151 26312 26530 26565 26910 27048 27288 27720 28028 28665 28980 29183 29302 29562 29601 30030 30360 31395 31836 31878 32340 32760 32890 33352 33810 34110 34489 34868 35035 35420 35880 36036 37142 37191 37521 37674 38220 38808 39416 39468 39795 40040 40572 41690 41860 42042 42504 43585 43953 44343 45045 45080 45480 45540 45864 46046 47754 48510 49270 49335 49588 50028 50232 50715 51480 52302 53060 53130 53820 54197 55713 56056 57330 57960 58366 58604 59124 59202 60060 61019 61985 62535 62790 63063 63672 63756 64680 65780 67620 68220 68978 69069 69736 70070 70840 72072 73255 73905 74284 74382 75042 75348 76440 78453 78936 79590 79695 81144 83380 83720 84084 87170 87549 87906 88686 90090 91080 92092 92855 94185 95508 95887 97020 98540 98670 99176 100056 101430 103467 104604 105105 106120 106260 107640 108394 111426 111573 113321 114660 115115 116732 117208 118248 118404 119385 120120 122038 123970 125070 125580 126126 127512 130755 131560 131859 135240 136440 137956 138138 140140 145915 146510 147810 148005 148568 148764 150084 150696 156906 159180 159390 161161 162591 166760 167139 168168 172445 174340 175098 175812 177372 180180 183057 184184 185710 185955 187605 188370 191016 191774 194040 197080 197340 202860 204281 206934 207207 209208 210210 212520 216788 219765 221715 222852 223146 226642 229320 230230 233464 236808 238770 241423 244076 247940 250140 251160 252252 261510 262647 263718 270985 275912 276276 278565 280280 287661 291830 293020 295620 296010 297528 300168 305095 310401 313812 315315 318360 318780 322322 325182 334278 339963 344890 345345 348680 350196 351624 354744 360360 366114 371420 371910 375210 376740 379379 383548 392265 394680 405720 408562 413868 414414 420420 427133 433576 437745 439530 443430 445704 446292 453284 460460 477540 479435 482846 483483 487773 488152 495880 500280 504504 517335 523020 525294 527436 541970 549171 552552 557130 557865 566605 575322 583660 586040 591240 592020 610190 612843 620802 627624 630630 637560 644644 650364 659295 668556 671209 679926 689780 690690 700392 724269 732228 742840 743820 750420 753480 758758 767096 784530 793247 805805 812955 817124 827736 828828 835695 840840 854266 862983 875490 879060 886860 892584 906568 915285 920920 955080 958870 965692 966966 975546 1019889 1021405 1034670 1036035 1046040 1050588 1054872 1083940 1098342 1114260 1115730 1133210 1138137 1150644 1167320 1184040 1207115 1220380 1225686 1241604 1246531 1261260 1281399 1289288 1300728 1313235 1318590 1337112 1342418 1359852 1379560 1381380 1438305 1448538 1450449 1464456 1487640 1500840 1517516 1552005 1569060 1586494 1611610 1625910 1634248 1657656 1671390 1699815 1708532 1725966 1750980 1758120 1773720 1830570 1838529 1896895 1917740 1931384 1933932 1951092 2013627 2039778 2042810 2069340 2072070 2101176 2135665 2167880 2172807 2196684 2228520 2231460 2266420 2276274 2301288 2379741 2414230 2417415 2438865 2440760 2451372 2483208 2493062 2522520 2562798 2626470 2637180 2655653 2684836 2719704 2745855 2762760 2876610 2897076 2900898 3035032 3064215 3104010 3138120 3172988 3223220 3251820 3342780 3356045 3399630 3414411 3417064 3451932 3501960 3621345 3661140 3677058 3739593 3793790 3835480 3844197 3867864 3902184 3966235 4027254 4079556 4085620 4138680 4144140 4271330 4314915 4345614 4393368 4462920 4532840 4552548 4698463 4759482 4828460 4834830 4877730 4902744 4986124 5099445 5125596 5252940 5274360 5311306 5369672 5491710 5552729 5690685 5753220 5794152 5801796 6040881 6128430 6208020 6232655 6345976 6406995 6446440 6503640 6685560 6712090 6799260 6828822 6903864 7139223 7242690 7252245 7322280 7354116 7479186 7587580 7688394 7932470 7966959 8054508 8159112 8171240 8288280 8542660 8629830 8691228 8725717 9105096 9192645 9396926 9518964 9656920 9669660 9755460 9972248 10068135 10198890 10251192 10505880 10622612 10864035 10983420 11105458 11218779 11381370 11506440 11603592 11898705 12081762 12256860 12416040 12465310 12813990 13278265 13424180 13598520 13657644 14095389 14278446 14485380 14504490 14708232 14958372 15175160 15376788 15864940 15933918 16109016 16658187 17072055 17085320 17259660 17382456 17451434 18385290 18697965 18793852 19037928 19220985 19339320 19510920 20136270 20397780 21245224 21728070 21966840 22210916 22437558 22762740 23492315 23797410 23900877 24163524 24513720 24930620 25627980 26177151 26556530 26848360 27315288 27763645 28190778 28556892 28970760 29008980 29916744 30204405 30753576 31729880 31867836 33316374 34144110 34519320 34902868 35696115 36770580 37395930 37587704 38441970 39834795 40272540 40795560 42286167 43456140 43628585 44421832 44875116 45525480 46984630 47594820 47801754 48327048 49861240 49974561 51255960 52354302 53113060 55527290 56093895 56381556 57113784 58017960 60408810 61080019 63735672 66632748 68288220 69805736 70476945 71392230 73541160 74791860 76883940 78531453 79669590 80545080 83290935 84572334 86912280 87257170 89750232 93969260 95189640 95603508 99949122 104708604 106226120 111054580 112187790 112763112 119504385 120817620 122160038 130885755 133265496 136576440 140953890 142784460 149583720 153767880 157062906 159339180 166581870 169144668 174514340 183240057 187938520 191207016 199898244 209417208 211430835 222109160 224375580 239008770 241635240 244320076 249872805 261771510 281907780 285568920 305400095 314125812 318678360 333163740 338289336 349028680 366480114 392657265 399796488 422861670 448751160 478017540 488640152 499745610 523543020 549720171 563815560 610800190 628251624 666327480 732960228 785314530 845723340 916200285 956035080 999491220 1047086040 1099440342 1221600380 1465920456 1570629060 1691446680 1832400570 1998982440 2198880684 2443200760 2748600855 3141258120 3664801140 4397761368 5497201710 7329602280 10994403420 21988806840
• Sum of all divisors σ(n): 102179750400
• Sum of proper divisors (its aliquot sum) s(n): 80190943560
• 21988806840 is an abundant number, because the sum of its proper divisors (80190943560) is greater than itself. Its abundance is 58202136720

Bases of 21988806840

• Binary: 10100011110101000101001000010111000₂
• Hexadecimal: 0x51EA290B8
• Base-36: A3NKFY0

Squares and roots of 21988806840

• 21988806840 squared (21988806840²) is 483507626246830785600
• 21988806840 cubed (21988806840³) is 10631755799208476306723853504000
• The square root of 21988806840 is 148286.2328066905
• The cube root of 21988806840 is 2801.5640428505

Scales and comparisons

• 21,988,806,840 seconds is equal to 699 years, 9 weeks, 1 day, 1 hour, 54 minutes.
• To count from 1 to 21,988,806,840 would take you about one thousand, three hundred ninety-eight 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 21988806840 cubic inches would be around 233.5 feet tall.

Recreational maths with 21988806840

• 21988806840 backwards is 04860888912
• The number of decimal digits it has is: 11
• The sum of 21988806840's digits is 54
• More coming soon!