12439675157781018

Names of 12439675157781018

• Cardinal: 12439675157781018 can be written as Twelve quadrillion, four hundred thirty-nine trillion, six hundred seventy-five billion, one hundred fifty-seven million, seven hundred eighty-one thousand and eighteen.

Scientific notation

• Scientific notation: 1.2439675157781018 × 10¹⁶

Factors of 12439675157781018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3142039

Divisors of 12439675157781018

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 42 4129 8258 12387 23029 24774 28903 46058 57806 69087 86709 138174 161203 173418 322406 483609 967218 3114869 6229738 9344607 18689214 21804083 43608166 65412249 95086741 130824498 190173482 285260223 570520446 665607187 1331214374 1996821561 3993643122 12861294101 25722588202 38583882303 71732318201 77167764606 90029058707 143464636402 180058117414 215196954603 270087176121 430393909206 502126227407 540174352242 1004252454814 1506378682221 3012757364442 296182741851929 592365483703858 888548225555787 1777096451111574 2073279192963503 4146558385927006 6219837578890509 12439675157781018
• Sum of all divisors σ(n): 28441673634528000
• Sum of proper divisors (its aliquot sum) s(n): 16001998476746982
• 12439675157781018 is an abundant number, because the sum of its proper divisors (16001998476746982) is greater than itself. Its abundance is 3562323318965964

Bases of 12439675157781018

• Binary: 101100001100011101000110010010111001101001101000011010₂
• Hexadecimal: 0x2C31D192E69A1A
• Base-36: 3EHHVVI1QFU

Squares and roots of 12439675157781018

• 12439675157781018 squared (12439675157781018²) is 154745518031114195073149641116324
• 12439675157781018 cubed (12439675157781018³) is 1924983976429605840483136134745842596368257137832
• The square root of 12439675157781018 is 111533291.7015409261
• The cube root of 12439675157781018 is 231705.5020058637

Scales and comparisons

• 12,439,675,157,781,018 seconds is equal to 395,543,191 years, 29 weeks, 6 days, 13 hours, 50 minutes, 18 seconds.
• To count from 1 to 12,439,675,157,781,018 would take you about one billion, one hundred eighty-six million, six hundred twenty-nine thousand, five hundred seventy-four 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 12439675157781018 cubic inches would be around 19308.8 feet tall.

Recreational maths with 12439675157781018

• 12439675157781018 backwards is 81018775157693421
• The number of decimal digits it has is: 17
• The sum of 12439675157781018's digits is 75
• More coming soon!