20709139968

Names of 20709139968

• Cardinal: 20709139968 can be written as Twenty billion, seven hundred nine million, one hundred thirty-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0709139968 × 10¹⁰

Factors of 20709139968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 8044

Divisors of 20709139968

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 22 24 27 32 33 34 36 44 48 51 54 64 66 68 72 88 96 99 102 108 128 132 136 144 153 176 187 192 198 204 216 256 264 272 288 297 306 352 374 384 396 408 432 459 512 528 544 561 576 594 612 704 748 768 792 816 864 918 1056 1088 1122 1152 1188 1224 1408 1496 1536 1584 1632 1683 1728 1836 2112 2176 2244 2304 2376 2448 2816 2992 3168 3264 3366 3456 3672 4224 4352 4488 4608 4752 4896 5049 5632 5984 6336 6528 6732 6912 7344 8011 8448 8704 8976 9504 9792 10098 11968 12672 13056 13464 13824 14688 16022 16896 17952 19008 19584 20196 23936 24033 25344 26112 26928 29376 32044 35904 38016 39168 40392 47872 48066 50688 53856 58752 64088 71808 72099 76032 78336 80784 88121 95744 96132 107712 117504 128176 136187 143616 144198 152064 161568 176242 192264 215424 216297 235008 256352 264363 272374 287232 288396 323136 352484 384528 408561 430848 432594 512704 528726 544748 576792 646272 704968 769056 793089 817122 861696 865188 1025408 1057452 1089496 1153584 1225683 1292544 1409936 1498057 1538112 1586178 1634244 1730376 2050816 2114904 2178992 2307168 2379267 2451366 2585088 2819872 2996114 3076224 3172356 3268488 3460752 3677049 4101632 4229808 4357984 4494171 4614336 4758534 4902732 5639744 5992228 6152448 6344712 6536976 6921504 7354098 8459616 8715968 8988342 9228672 9517068 9805464 11279488 11984456 12304896 12689424 13073952 13482513 13843008 14708196 16919232 17431936 17976684 18457344 19034136 19610928 22558976 23968912 25378848 26147904 26965026 27686016 29416392 33838464 34863872 35953368 36914688 38068272 39221856 40447539 45117952 47937824 50757696 52295808 53930052 55372032 58832784 67676928 69727744 71906736 76136544 78443712 80895078 95875648 101515392 104591616 107860104 110744064 117665568 135353856 143813472 152273088 156887424 161790156 191751296 203030784 209183232 215720208 235331136 287626944 304546176 313774848 323580312 383502592 406061568 431440416 470662272 575253888 609092352 627549696 647160624 767005184 862880832 941324544 1150507776 1218184704 1294321248 1725761664 1882649088 2301015552 2588642496 3451523328 5177284992 6903046656 10354569984 20709139968
• Sum of all divisors σ(n): 70815824640
• Sum of proper divisors (its aliquot sum) s(n): 50106684672
• 20709139968 is an abundant number, because the sum of its proper divisors (50106684672) is greater than itself. Its abundance is 29397544704

Bases of 20709139968

• Binary: 10011010010010111000110011000000000₂
• Hexadecimal: 0x4D25C6600
• Base-36: 9IHOQO0

Squares and roots of 20709139968

• 20709139968 squared (20709139968²) is 428868478214215041024
• 20709139968 cubed (20709139968³) is 8881497343201337971816878047232
• The square root of 20709139968 is 143906.7057784313
• The cube root of 20709139968 is 2746.1274403593

Scales and comparisons

• 20,709,139,968 seconds is equal to 658 years, 25 weeks, 2 days, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 20,709,139,968 would take you about one thousand, three hundred sixteen 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 20709139968 cubic inches would be around 228.8 feet tall.

Recreational maths with 20709139968

• 20709139968 backwards is 86993190702
• 20709139968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20709139968's digits is 54
• More coming soon!