21013618626

Names of 21013618626

• Cardinal: 21013618626 can be written as Twenty-one billion, thirteen million, six hundred eighteen thousand, six hundred twenty-six.

Scientific notation

• Scientific notation: 2.1013618626 × 10¹⁰

Factors of 21013618626

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2198

Divisors of 21013618626

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 11 13 14 18 21 22 26 33 39 42 63 66 77 78 91 99 117 126 143 154 182 198 231 234 273 286 429 462 546 693 819 858 1001 1033 1129 1287 1386 1638 2002 2066 2258 2574 3003 3099 3387 6006 6198 6774 7231 7903 9009 9297 10161 11363 12419 13429 14462 14677 15806 18018 18594 20322 21693 22726 23709 24838 26858 29354 34089 37257 40287 43386 44031 47418 65079 68178 71127 74514 79541 80574 86933 88062 94003 102267 102739 111771 120861 130158 132093 142254 147719 159082 161447 173866 188006 204534 205478 223542 238623 241722 260799 264186 282009 295438 308217 322894 443157 477246 484341 521598 564018 616434 715869 782397 846027 886314 924651 968682 1034033 1130129 1166257 1329471 1431738 1453023 1564794 1692054 1849302 2068066 2260258 2332514 2658942 2906046 3102099 3390387 3498771 6204198 6780774 6997542 8163799 9306297 10171161 10496313 12828827 15161341 16327598 18612594 20342322 20992626 24491397 25657654 30322682 38486481 45484023 48982794 73474191 76972962 89801789 90968046 106129387 115459443 136452069 146948382 166774751 179603578 212258774 230918886 269405367 272904138 318388161 333549502 500324253 538810734 636776322 808216101 955164483 1000648506 1167423257 1500972759 1616432202 1910328966 2334846514 3001945518 3502269771 7004539542 10506809313 21013618626
• Sum of all divisors σ(n): 61243902720
• Sum of proper divisors (its aliquot sum) s(n): 40230284094
• 21013618626 is an abundant number, because the sum of its proper divisors (40230284094) is greater than itself. Its abundance is 19216665468

Bases of 21013618626

• Binary: 10011100100100000100101111111000010₂
• Hexadecimal: 0x4E4825FC2
• Base-36: 9NIYRWI

Squares and roots of 21013618626

• 21013618626 squared (21013618626²) is 441572167758974127876
• 21013618626 cubed (21013618626³) is 9279029129143175412187219418376
• The square root of 21013618626 is 144960.7485700871
• The cube root of 21013618626 is 2759.5204404669

Scales and comparisons

• 21,013,618,626 seconds is equal to 668 years, 8 weeks, 5 days, 4 hours, 17 minutes, 6 seconds.
• To count from 1 to 21,013,618,626 would take you about one thousand, three hundred thirty-six 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 21013618626 cubic inches would be around 230 feet tall.

Recreational maths with 21013618626

• 21013618626 backwards is 62681631012
• The number of decimal digits it has is: 11
• The sum of 21013618626's digits is 36
• More coming soon!