21241567620

Names of 21241567620

• Cardinal: 21241567620 can be written as Twenty-one billion, two hundred forty-one million, five hundred sixty-seven thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.124156762 × 10¹⁰

Factors of 21241567620

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3128

Divisors of 21241567620

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 49 52 60 61 63 65 70 78 84 90 91 98 105 117 122 126 130 140 147 156 180 182 183 195 196 210 234 244 245 252 260 273 294 305 315 364 366 390 420 427 441 455 468 490 546 549 585 588 610 630 637 732 735 780 793 819 854 882 910 915 980 1092 1098 1170 1220 1260 1274 1281 1365 1470 1586 1638 1708 1764 1820 1830 1911 2135 2196 2205 2340 2379 2548 2562 2730 2745 2940 2989 3037 3172 3185 3276 3660 3822 3843 3965 4095 4270 4410 4758 5124 5460 5490 5551 5733 5978 6074 6370 6405 7137 7644 7686 7930 8190 8540 8820 8967 9111 9516 9555 10980 11102 11466 11895 11956 12148 12740 12810 14274 14945 15185 15372 15860 16380 16653 17934 18222 19110 19215 21259 22204 22932 23790 25620 26901 27333 27755 28548 28665 29890 30370 33306 35685 35868 36444 38220 38430 38857 39481 42518 44835 45555 47580 49959 53802 54666 55510 57330 59780 60740 63777 66612 71370 76860 77714 78962 83265 85036 89670 91110 99918 106295 107604 109332 111020 114660 116571 118443 127554 134505 136665 142740 148813 155428 157924 166530 179340 182220 185257 191331 194285 197405 199836 212590 233142 236886 249795 255108 269010 273330 276367 297626 318885 333060 349713 355329 370514 382662 388570 394810 425180 446439 466284 473772 499590 538020 546660 552734 555771 582855 592215 595252 637770 699426 710658 741028 744065 765324 777140 789620 829101 892878 926285 956655 999180 1105468 1111542 1165710 1184430 1275540 1296799 1339317 1381835 1398852 1421316 1488130 1658202 1667313 1748565 1776645 1785756 1852570 1913310 1934569 2223084 2232195 2331420 2368860 2408341 2487303 2593598 2678634 2763670 2778855 2976260 3316404 3334626 3497130 3553290 3705140 3826620 3869138 3890397 4145505 4464390 4816682 4974606 5187196 5357268 5527340 5557710 5803707 6483995 6669252 6696585 6994260 7106580 7225023 7738276 7780794 8291010 8336565 8928780 9077593 9633364 9672845 9949212 11115420 11607414 11671191 12041705 12436515 12967990 13393170 14450046 15561588 16582020 16673130 16858387 17411121 18155186 19345690 19451985 21675069 23214828 23342382 24083410 24873030 25935980 26786340 27232779 28900092 29018535 33346260 33716774 34822242 36125115 36310372 38691380 38903970 43350138 45387965 46684764 48166820 49746060 50575161 54465558 58037070 58355955 67433548 69644484 72250230 77807940 81698337 84291935 86700276 87055605 90775930 101150322 108375345 108931116 116074140 116711910 118008709 136163895 144500460 151725483 163396674 168583870 174111210 181551860 202300644 216750690 233423820 236017418 252875805 272327790 303450966 326793348 337167740 348222420 354026127 408491685 433501380 472034836 505751610 544655580 590043545 606901932 708052254 758627415 816983370 1011503220 1062078381 1180087090 1416104508 1517254830 1633966740 1770130635 2124156762 2360174180 3034509660 3540261270 4248313524 5310391905 7080522540 10620783810 21241567620
• Sum of all divisors σ(n): 82068216048
• Sum of proper divisors (its aliquot sum) s(n): 60826648428
• 21241567620 is an abundant number, because the sum of its proper divisors (60826648428) is greater than itself. Its abundance is 39585080808

Bases of 21241567620

• Binary: 10011110010000110001001100110000100₂
• Hexadecimal: 0x4F2189984
• Base-36: 9RAOIH0

Squares and roots of 21241567620

• 21241567620 squared (21241567620²) is 451204194955032464400
• 21241567620 cubed (21241567620³) is 9584284417564984951847842728000
• The square root of 21241567620 is 145744.8716765019
• The cube root of 21241567620 is 2769.4627073289

Scales and comparisons

• 21,241,567,620 seconds is equal to 675 years, 21 weeks, 4 days, 11 hours, 27 minutes.
• To count from 1 to 21,241,567,620 would take you about one thousand, three hundred fifty 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 21241567620 cubic inches would be around 230.8 feet tall.

Recreational maths with 21241567620

• 21241567620 backwards is 02676514212
• 21241567620 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21241567620's digits is 36
• More coming soon!