13072994388

Names of 13072994388

• Cardinal: 13072994388 can be written as Thirteen billion, seventy-two million, nine hundred ninety-four thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 1.3072994388 × 10¹⁰

Factors of 13072994388

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8272

Divisors of 13072994388

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 101 202 303 404 467 606 909 934 1212 1401 1818 1868 2802 3636 4203 5604 7699 8406 15398 16812 23097 30796 46194 47167 69291 92388 94334 138582 141501 188668 277164 283002 424503 566004 777599 849006 1555198 1698012 2332797 3110396 3595433 4665594 6998391 7190866 9331188 10786299 13996782 14381732 21572598 27993564 32358897 43145196 64717794 129435588 363138733 726277466 1089416199 1452554932 2178832398 3268248597 4357664796 6536497194 13072994388
• Sum of all divisors σ(n): 33448615200
• Sum of proper divisors (its aliquot sum) s(n): 20375620812
• 13072994388 is an abundant number, because the sum of its proper divisors (20375620812) is greater than itself. Its abundance is 7302626424

Bases of 13072994388

• Binary: 1100001011001101100001000001010100₂
• Hexadecimal: 0x30B361054
• Base-36: 607BN10

Squares and roots of 13072994388

• 13072994388 squared (13072994388²) is 170903182268679494544
• 13072994388 cubed (13072994388³) is 2234216342689788140344388619072
• The square root of 13072994388 is 114337.1959950041
• The cube root of 13072994388 is 2355.7273542713

Scales and comparisons

• 13,072,994,388 seconds is equal to 415 years, 35 weeks, 2 days, 19 hours, 19 minutes, 48 seconds.
• To count from 1 to 13,072,994,388 would take you about eight hundred thirty-one 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 13072994388 cubic inches would be around 196.3 feet tall.

Recreational maths with 13072994388

• 13072994388 backwards is 88349927031
• The number of decimal digits it has is: 11
• The sum of 13072994388's digits is 54
• More coming soon!