18808816052172

Names of 18808816052172

• Cardinal: 18808816052172 can be written as Eighteen trillion, eight hundred eight billion, eight hundred sixteen million, fifty-two thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.8808816052172 × 10¹³

Factors of 18808816052172

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1934

Divisors of 18808816052172

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 12 23 29 46 58 69 87 92 116 138 174 276 348 529 667 841 1058 1334 1587 1682 1877 2001 2116 2523 2668 3174 3364 3754 4002 5046 5631 6348 7508 8004 10092 11262 15341 19343 22524 30682 38686 43171 46023 54433 58029 61364 77372 86342 92046 108866 116058 129513 163299 172684 184092 217732 232116 259026 326598 444889 518052 653196 889778 992933 1251959 1334667 1578557 1779556 1985866 2503918 2669334 2978799 3157114 3523129 3755877 3971732 4735671 5007836 5338668 5957598 6314228 7046258 7511754 9471342 10569387 11915196 14092516 15023508 18942684 21138774 28795057 36306811 42277548 57590114 72613622 81031967 86385171 102170741 108920433 115180228 145227244 162063934 172770342 204341482 217840866 243095901 306512223 324127868 345540684 408682964 435681732 486191802 613024446 835056653 972383604 1226048892 1670113306 1863735241 2349927043 2505169959 2962951489 3340226612 3727470482 4699854086 5010339918 5591205723 5925902978 7049781129 7454940964 8888854467 9399708172 10020679836 11182411446 11851805956 14099562258 17777708934 22364822892 28199124516 35555417868 54048321989 68147884247 108096643978 136295768494 162144965967 204443652741 216193287956 272591536988 324289931934 408887305482 648579863868 817774610964 1567401337681 3134802675362 4702204013043 6269605350724 9404408026086 18808816052172
• Sum of all divisors σ(n): 47540232505948
• Sum of proper divisors (its aliquot sum) s(n): 28731416453776
• 18808816052172 is an abundant number, because the sum of its proper divisors (28731416453776) is greater than itself. Its abundance is 9922600401604

Bases of 18808816052172

• Binary: 100010001101101000100110011001010011111001100₂
• Hexadecimal: 0x111B44CCA7CC
• Base-36: 6O0NFG4WC

Squares and roots of 18808816052172

• 18808816052172 squared (18808816052172²) is 353771561284443099425917584
• 18808816052172 cubed (18808816052172³) is 6654024220688783814903754851869516192448
• The square root of 18808816052172 is 4336913.1939862481
• The cube root of 18808816052172 is 26594.2136264027

Scales and comparisons

• 18,808,816,052,172 seconds is equal to 598,062 years, 8 weeks, 6 days, 5 hours, 36 minutes, 12 seconds.
• To count from 1 to 18,808,816,052,172 would take you about one million, four hundred ninety-five thousand, one hundred fifty-five 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 18808816052172 cubic inches would be around 2216.2 feet tall.

Recreational maths with 18808816052172

• 18808816052172 backwards is 27125061880881
• The number of decimal digits it has is: 14
• The sum of 18808816052172's digits is 57
• More coming soon!