12815936747155638

Names of 12815936747155638

• Cardinal: 12815936747155638 can be written as Twelve quadrillion, eight hundred fifteen trillion, nine hundred thirty-six billion, seven hundred forty-seven million, one hundred fifty-five thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 1.2815936747155638 × 10¹⁶

Factors of 12815936747155638

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 40492735

Divisors of 12815936747155638

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 19 38 57 114 171 199 342 398 597 1194 1791 3582 3781 4651 7562 9302 11343 13953 22686 27906 34029 41859 68058 83718 88369 176738 265107 530214 795321 925549 1590642 1851098 2776647 5553294 8329941 16659882 17585431 35170862 40487861 52756293 80975722 105512586 121463583 158268879 242927166 316537758 364390749 728781498 769269359 1538538718 2307808077 4615616154 6923424231 8057084339 13846848462 16114168678 24171253017 48342506034 72513759051 145027518102 153084602441 188309041511 306169204882 376618083022 459253807323 564927124533 918507614646 1129854249066 1377761421969 1694781373599 2755522843938 3389562747198 3577871788709 7155743577418 10733615366127 21467230732254 32200846098381 37473499260689 64401692196762 74946998521378 112420497782067 224840995564134 337261493346201 674522986692402 711996485953091 1423992971906182 2135989457859273 4271978915718546 6407968373577819 12815936747155638
• Sum of all divisors σ(n): 29382527307744000
• Sum of proper divisors (its aliquot sum) s(n): 16566590560588362
• 12815936747155638 is an abundant number, because the sum of its proper divisors (16566590560588362) is greater than itself. Its abundance is 3750653813432724

Bases of 12815936747155638

• Binary: 101101100010000000011011001101010001110011000010110110₂
• Hexadecimal: 0x2D8806CD4730B6
• Base-36: 3I6VC29KPTI

Squares and roots of 12815936747155638

• 12815936747155638 squared (12815936747155638²) is 164248234707094235535883395187044
• 12815936747155638 cubed (12815936747155638³) is 2104994986838093061549543974115093957765989154072
• The square root of 12815936747155638 is 113207494.2181640111
• The cube root of 12815936747155638 is 234018.4607343405

Scales and comparisons

• 12,815,936,747,155,638 seconds is equal to 407,507,146 years, 13 weeks, 5 days, 5 hours, 27 minutes, 18 seconds.
• To count from 1 to 12,815,936,747,155,638 would take you about one billion, two hundred twenty-two million, five hundred twenty-one thousand, four hundred thirty-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 12815936747155638 cubic inches would be around 19501.5 feet tall.

Recreational maths with 12815936747155638

• 12815936747155638 backwards is 83655174763951821
• The number of decimal digits it has is: 17
• The sum of 12815936747155638's digits is 81
• More coming soon!