21381966612771384

Names of 21381966612771384

• Cardinal: 21381966612771384 can be written as Twenty-one quadrillion, three hundred eighty-one trillion, nine hundred sixty-six billion, six hundred twelve million, seven hundred seventy-one thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1381966612771384 × 10¹⁶

Factors of 21381966612771384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 944

Divisors of 21381966612771384

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 12 23 24 46 69 92 138 184 197 276 394 529 552 591 719 788 1058 1182 1438 1576 1587 2116 2157 2364 2876 3174 4232 4314 4531 4728 5752 6348 8628 9062 12167 12696 13593 16537 17256 18124 24334 27186 33074 36248 36501 48668 49611 54372 66148 73002 97336 99222 104213 108744 132296 141643 146004 198444 208426 283286 292008 312639 380351 396888 416852 424929 516961 566572 625278 760702 833704 849858 1033922 1133144 1141053 1250556 1521404 1550883 1699716 2067844 2282106 2396899 2501112 3042808 3101766 3257789 3399432 4135688 4564212 4793798 6203532 6515578 7190697 8748073 9128424 9587596 9773367 11890103 12407064 13031156 14381394 17496146 19175192 19546734 23780206 26062312 26244219 28762788 34992292 35670309 39093468 47560412 52488438 57525576 69984584 71340618 74929147 78186936 95120824 101841317 104976876 142681236 149858294 203682634 209953752 224787441 273472369 285362472 299716588 305523951 371694959 407365268 449574882 546944738 599433176 611047902 743389918 814730536 820417107 899149764 1093889476 1115084877 1222095804 1486779836 1640834214 1723370381 1798299528 2187778952 2230169754 2342350291 2444191608 2973559672 3281668428 3446740762 4460339508 4684700582 5170111143 6289864487 6563336856 6893481524 7027050873 8548984057 8920679016 9369401164 10340222286 12579728974 13786963048 14054101746 17097968114 18738802328 18869593461 20680444572 25159457948 25646952171 28108203492 34195936228 37739186922 41360889144 50318915896 51293904342 53874056693 56216406984 68391872456 73223906923 75478373844 102587808684 107748113386 146447813846 150956747688 161622170079 196626633311 205175617368 215496226772 219671720769 292895627692 323244340158 393253266622 430992453544 439343441538 585791255384 589879899933 646488680316 786506533244 878686883076 1179759799866 1239103303939 1292977360632 1573013066488 1684149859229 1757373766152 2359519599732 2478206607878 3368299718458 3717309911817 4522412566153 4719039199464 4956413215756 5052449577687 6736599436916 7434619823634 9044825132306 9912826431512 10104899155374 13473198873832 13567237698459 14869239647268 18089650264612 20209798310748 27134475396918 29738479294536 36179300529224 38735446762267 40419596621496 54268950793836 77470893524534 108537901587672 116206340286801 154941787049068 232412680573602 309883574098136 464825361147204 890915275532141 929650722294408 1781830551064282 2672745826596423 3563661102128564 5345491653192846 7127322204257128 10690983306385692 21381966612771384
• Sum of all divisors σ(n): 56246391995904000
• Sum of proper divisors (its aliquot sum) s(n): 34864425383132616
• 21381966612771384 is an abundant number, because the sum of its proper divisors (34864425383132616) is greater than itself. Its abundance is 13482458770361232

Bases of 21381966612771384

• Binary: 1001011111101101100100100001100100011011011001000111000₂
• Hexadecimal: 0x4BF6C90C8DB238
• Base-36: 5UJ9VUV84ZC

Squares and roots of 21381966612771384

• 21381966612771384 squared (21381966612771384²) is 457188496229670172410657049275456
• 21381966612771384 cubed (21381966612771384³) is 9775589162125963401232580476865061260373370351104
• The square root of 21381966612771384 is 146225738.5441133069
• The cube root of 21381966612771384 is 277555.1024966445

Scales and comparisons

• 21,381,966,612,771,384 seconds is equal to 679,880,399 years, 27 weeks, 14 hours, 16 minutes, 24 seconds.
• To count from 1 to 21,381,966,612,771,384 would take you about two billion, thirty-nine million, six hundred forty-one thousand, one 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 21381966612771384 cubic inches would be around 23129.6 feet tall.

Recreational maths with 21381966612771384

• 21381966612771384 backwards is 48317721666918312
• The number of decimal digits it has is: 17
• The sum of 21381966612771384's digits is 75
• More coming soon!