72704131379887

Names of 72704131379887

• Cardinal: 72704131379887 can be written as Seventy-two trillion, seven hundred four billion, one hundred thirty-one million, three hundred seventy-nine thousand, eight hundred eighty-seven.

Scientific notation

• Scientific notation: 7.2704131379887 × 10¹³

Factors of 72704131379887

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 835

Divisors of 72704131379887

• Number of divisors d(n): 54
• Complete list of divisors:
  1 7 49 89 343 623 739 2401 4361 5173 7921 16807 30527 36211 55447 65771 213689 253477 388129 460397 546121 1495823 1774339 2716903 3222779 3822847 5853619 12420373 19018321 22559453 26759929 40975333 48604769 133128247 157916171 187319503 286827331 340233383 1105413197 1311236521 2007791317 2381633681 4325824441 9178655647 14054539219 16671435767 30280771087 98381774533 116700050369 211965397609 816900352583 1483757783263 10386304482841 72704131379887
• Sum of all divisors σ(n): 85900755259368
• Sum of proper divisors (its aliquot sum) s(n): 13196623879481
• 72704131379887 is a deficient number, because the sum of its proper divisors (13196623879481) is less than itself. Its deficiency is 59507507500406

Bases of 72704131379887

• Binary: 10000100001111110111111111011001011001010101111₂
• Hexadecimal: 0x421FBFECB2AF
• Base-36: PRRTENPGV

Squares and roots of 72704131379887

• 72704131379887 squared (72704131379887²) is 5285890719703869570708132769
• 72704131379887 cubed (72704131379887³) is 384306093345075582311821747210369172217103
• The square root of 72704131379887 is 8526671.7645214301
• The cube root of 72704131379887 is 41736.8527103963

Scales and comparisons

• 72,704,131,379,887 seconds is equal to 2,311,766 years, 25 weeks, 3 days, 1 hour, 58 minutes, 7 seconds.
• To count from 1 to 72,704,131,379,887 would take you about five million, seven hundred seventy-nine thousand, four hundred sixteen 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 72704131379887 cubic inches would be around 3478.1 feet tall.

Recreational maths with 72704131379887

• 72704131379887 backwards is 78897313140727
• The number of decimal digits it has is: 14
• The sum of 72704131379887's digits is 67
• More coming soon!