18381513981712

Names of 18381513981712

• Cardinal: 18381513981712 can be written as Eighteen trillion, three hundred eighty-one billion, five hundred thirteen million, nine hundred eighty-one thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8381513981712 × 10¹³

Factors of 18381513981712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1774

Divisors of 18381513981712

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 34 56 68 112 119 136 238 272 289 476 578 757 952 991 1156 1514 1904 1982 2023 2312 3028 3964 4046 4624 5299 6056 6937 7928 8092 10598 12112 12869 13874 15856 16184 16847 21196 25738 27748 32368 33694 42392 51476 55496 67388 84784 90083 102952 110992 117929 134776 180166 205904 218773 235858 269552 286399 360332 437546 471716 572798 573049 720664 750187 875092 943432 1145596 1146098 1441328 1500374 1531411 1750184 1886864 2004793 2291192 2292196 3000748 3062822 3500368 4009586 4011343 4582384 4584392 5251309 6001496 6125644 8019172 8022686 9168784 9741833 10502618 12002992 12251288 12753179 16038344 16045372 19483666 21005236 24502576 25506358 32076688 32090744 38967332 42010472 51012716 64181488 68192831 77934664 84020944 89272253 102025432 136385662 155869328 165611161 178544506 204050864 216804043 272771324 331222322 357089012 433608086 545542648 567891559 662444644 714178024 867216172 1091085296 1135783118 1159278127 1324889288 1428356048 1517628301 1734432344 2271566236 2318556254 2649778576 3035256602 3468864688 3975240913 4543132472 4637112508 6070513204 7950481826 9086264944 9274225016 9654156503 12141026408 15900963652 18548450032 19308313006 24282052816 31801927304 38616626012 63603854608 67579095521 77233252024 135158191042 154466504048 164120660551 270316382084 328241321102 540632764168 656482642204 1081265528336 1148844623857 1312965284408 2297689247714 2625930568816 4595378495428 9190756990856 18381513981712
• Sum of all divisors σ(n): 43337870793984
• Sum of proper divisors (its aliquot sum) s(n): 24956356812272
• 18381513981712 is an abundant number, because the sum of its proper divisors (24956356812272) is greater than itself. Its abundance is 6574842830560

Bases of 18381513981712

• Binary: 100001011011111000111100111000111111100010000₂
• Hexadecimal: 0x10B7C79C7F10
• Base-36: 6IKCMTT74

Squares and roots of 18381513981712

• 18381513981712 squared (18381513981712²) is 337880056259873744270450944
• 18381513981712 cubed (18381513981712³) is 6210746978282506399659142778231209136128
• The square root of 18381513981712 is 4287366.7888007903
• The cube root of 18381513981712 is 26391.2782932433

Scales and comparisons

• 18,381,513,981,712 seconds is equal to 584,475 years, 14 weeks, 6 days, 10 hours, 1 minute, 52 seconds.
• To count from 1 to 18,381,513,981,712 would take you about one million, four hundred sixty-one thousand, one hundred eighty-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 18381513981712 cubic inches would be around 2199.3 feet tall.

Recreational maths with 18381513981712

• 18381513981712 backwards is 21718931518381
• The number of decimal digits it has is: 14
• The sum of 18381513981712's digits is 58
• More coming soon!