12640479828432

Names of 12640479828432

• Cardinal: 12640479828432 can be written as Twelve trillion, six hundred forty billion, four hundred seventy-nine million, eight hundred twenty-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.2640479828432 × 10¹³

Factors of 12640479828432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4961574

Divisors of 12640479828432

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 48 109 218 327 436 487 654 872 974 1308 1461 1744 1948 2616 2922 3896 5232 5844 7792 11688 23376 53083 106166 159249 212332 318498 424664 636996 849328 1273992 2547984 4960973 9921946 14882919 19843892 29765838 39687784 59531676 79375568 119063352 238126704 540746057 1081492114 1622238171 2162984228 2415993851 3244476342 4325968456 4831987702 6488952684 7247981553 8651936912 9663975404 12977905368 14495963106 19327950808 25955810736 28991926212 38655901616 57983852424 115967704848 263343329759 526686659518 790029989277 1053373319036 1580059978554 2106746638072 3160119957108 4213493276144 6320239914216 12640479828432
• Sum of all divisors σ(n): 33021830455680
• Sum of proper divisors (its aliquot sum) s(n): 20381350627248
• 12640479828432 is an abundant number, because the sum of its proper divisors (20381350627248) is greater than itself. Its abundance is 7740870798816

Bases of 12640479828432

• Binary: 10110111111100010111010011110101100111010000₂
• Hexadecimal: 0xB7F174F59D0
• Base-36: 4HAYFBLQO

Squares and roots of 12640479828432

• 12640479828432 squared (12640479828432²) is 159781730292996284155578624
• 12640479828432 cubed (12640479828432³) is 2019717738720581767034122005095206637568
• The square root of 12640479828432 is 3555345.2474312533
• The cube root of 12640479828432 is 23294.5604452337

Scales and comparisons

• 12,640,479,828,432 seconds is equal to 401,928 years, 8 weeks, 1 day, 20 hours, 47 minutes, 12 seconds.
• To count from 1 to 12,640,479,828,432 would take you about one million, four thousand, eight hundred twenty 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 12640479828432 cubic inches would be around 1941.2 feet tall.

Recreational maths with 12640479828432

• 12640479828432 backwards is 23482897404621
• The number of decimal digits it has is: 14
• The sum of 12640479828432's digits is 60
• More coming soon!