21680715264

Names of 21680715264

• Cardinal: 21680715264 can be written as Twenty-one billion, six hundred eighty million, seven hundred fifteen thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 2.1680715264 × 10¹⁰

Factors of 21680715264

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 35

Divisors of 21680715264

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 64 68 78 96 102 104 128 136 156 169 192 204 208 221 256 272 289 312 338 384 408 416 442 507 512 544 578 624 663 676 768 816 832 867 884 1014 1088 1156 1248 1326 1352 1536 1632 1664 1734 1768 2028 2176 2312 2496 2652 2704 2873 3264 3328 3468 3536 3757 4056 4352 4624 4913 4992 5304 5408 5746 6528 6656 6936 7072 7514 8112 8619 8704 9248 9826 9984 10608 10816 11271 11492 13056 13872 14144 14739 15028 16224 17238 18496 19652 19968 21216 21632 22542 22984 26112 27744 28288 29478 30056 32448 34476 36992 39304 42432 43264 45084 45968 48841 55488 56576 58956 60112 63869 64896 68952 73984 78608 83521 84864 86528 90168 91936 97682 110976 113152 117912 120224 127738 129792 137904 146523 147968 157216 167042 169728 180336 183872 191607 195364 221952 235824 240448 250563 255476 259584 275808 293046 314432 334084 339456 360672 367744 383214 390728 443904 471648 480896 501126 510952 551616 586092 628864 668168 721344 735488 766428 781456 830297 943296 961792 1002252 1021904 1085773 1103232 1172184 1257728 1336336 1442688 1470976 1532856 1562912 1660594 1886592 1923584 2004504 2043808 2171546 2206464 2344368 2490891 2515456 2672672 2885376 3065712 3125824 3257319 3321188 3773184 4009008 4087616 4343092 4412928 4688736 4981782 5345344 5770752 6131424 6251648 6514638 6642376 7546368 8018016 8175232 8686184 9377472 9963564 10690688 12262848 12503296 13029276 13284752 14115049 16036032 16350464 17372368 18754944 19927128 21381376 24525696 25006592 26058552 26569504 28230098 32072064 32700928 34744736 37509888 39854256 42345147 42762752 49051392 52117104 53139008 56460196 64144128 69489472 75019776 79708512 84690294 98102784 104234208 106278016 112920392 128288256 138978944 159417024 169380588 208468416 212556032 225840784 277957888 318834048 338761176 416936832 425112064 451681568 555915776 637668096 677522352 833873664 903363136 1275336192 1355044704 1667747328 1806726272 2710089408 3613452544 5420178816 7226905088 10840357632 21680715264
• Sum of all divisors σ(n): 66452455476
• Sum of proper divisors (its aliquot sum) s(n): 44771740212
• 21680715264 is an abundant number, because the sum of its proper divisors (44771740212) is greater than itself. Its abundance is 23091024948

Bases of 21680715264

• Binary: 10100001100010001010111011000000000₂
• Hexadecimal: 0x50C457600
• Base-36: 9YK4YYO

Squares and roots of 21680715264

• 21680715264 squared (21680715264²) is 470053414358642589696
• 21680715264 cubed (21680715264³) is 10191094235580739164742556319744
• The square root of 21680715264 is 147243.7274181825
• The cube root of 21680715264 is 2788.4179424999

Scales and comparisons

• 21,680,715,264 seconds is equal to 689 years, 19 weeks, 5 days, 4 hours, 54 minutes, 24 seconds.
• To count from 1 to 21,680,715,264 would take you about one thousand, three hundred seventy-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 21680715264 cubic inches would be around 232.4 feet tall.

Recreational maths with 21680715264

• 21680715264 backwards is 46251708612
• The number of decimal digits it has is: 11
• The sum of 21680715264's digits is 42
• More coming soon!