12643323494640

Names of 12643323494640

• Cardinal: 12643323494640 can be written as Twelve trillion, six hundred forty-three billion, three hundred twenty-three million, four hundred ninety-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.264332349464 × 10¹³

Factors of 12643323494640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 315452360

Divisors of 12643323494640

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 167 240 334 501 668 835 1002 1336 1670 2004 2505 2672 3340 4008 5010 6680 8016 10020 13360 20040 40080 315452183 630904366 946356549 1261808732 1577260915 1892713098 2523617464 3154521830 3785426196 4731782745 5047234928 6309043660 7570852392 9463565490 12618087320 15141704784 18927130980 25236174640 37854261960 52680514561 75708523920 105361029122 158041543683 210722058244 263402572805 316083087366 421444116488 526805145610 632166174732 790207718415 842888232976 1053610291220 1264332349464 1580415436830 2107220582440 2528664698928 3160830873660 4214441164880 6321661747320 12643323494640
• Sum of all divisors σ(n): 39428999382528
• Sum of proper divisors (its aliquot sum) s(n): 26785675887888
• 12643323494640 is an abundant number, because the sum of its proper divisors (26785675887888) is greater than itself. Its abundance is 14142352393248

Bases of 12643323494640

• Binary: 10110111111111000000110011100100000011110000₂
• Hexadecimal: 0xB7FC0CE40F0
• Base-36: 4HC9GD8MO

Squares and roots of 12643323494640

• 12643323494640 squared (12643323494640²) is 159853628990115822108729600
• 12643323494640 cubed (12643323494640³) is 2021081143114197190002099700322809344000
• The square root of 12643323494640 is 3555745.1391571921
• The cube root of 12643323494640 is 23296.3071349299

Scales and comparisons

• 12,643,323,494,640 seconds is equal to 402,018 years, 30 weeks, 16 hours, 4 minutes.
• To count from 1 to 12,643,323,494,640 would take you about one million, five thousand and forty-six 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 12643323494640 cubic inches would be around 1941.4 feet tall.

Recreational maths with 12643323494640

• 12643323494640 backwards is 04649432334621
• The number of decimal digits it has is: 14
• The sum of 12643323494640's digits is 51
• More coming soon!