13691073438

Names of 13691073438

• Cardinal: 13691073438 can be written as Thirteen billion, six hundred ninety-one million, seventy-three thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.3691073438 × 10¹⁰

Factors of 13691073438

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3923

Divisors of 13691073438

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 147 162 189 243 294 343 378 441 486 567 686 729 882 1029 1134 1323 1458 1701 2058 2401 2646 3087 3402 3911 3969 4802 5103 6174 7203 7822 7938 9261 10206 11733 11907 14406 18522 21609 23466 23814 27377 27783 35199 35721 43218 54754 55566 64827 70398 71442 82131 83349 105597 129654 164262 166698 191639 194481 211194 246393 250047 316791 383278 388962 492786 500094 574917 583443 633582 739179 950373 1149834 1166886 1341473 1478358 1724751 1750329 1900746 2217537 2682946 2851119 3449502 3500658 4024419 4435074 5174253 5702238 6652611 8048838 9390311 10348506 12073257 13305222 15522759 18780622 19957833 24146514 28170933 31045518 36219771 39915666 46568277 56341866 72439542 84512799 93136554 108659313 139704831 169025598 217318626 253538397 279409662 325977939 507076794 651955878 760615191 977933817 1521230382 1955867634 2281845573 4563691146 6845536719 13691073438
• Sum of all divisors σ(n): 35929681848
• Sum of proper divisors (its aliquot sum) s(n): 22238608410
• 13691073438 is an abundant number, because the sum of its proper divisors (22238608410) is greater than itself. Its abundance is 8547534972

Bases of 13691073438

• Binary: 1100110000000011010011001110011110₂
• Hexadecimal: 0x3300D339E
• Base-36: 6AFB7VI

Squares and roots of 13691073438

• 13691073438 squared (13691073438²) is 187445491884709139844
• 13691073438 cubed (13691073438³) is 2566329995015585862874015863672
• The square root of 13691073438 is 117008.8605106467
• The cube root of 13691073438 is 2392.2827019359

Scales and comparisons

• 13,691,073,438 seconds is equal to 435 years, 17 weeks, 2 days, 11 hours, 57 minutes, 18 seconds.
• To count from 1 to 13,691,073,438 would take you about eight hundred seventy 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 13691073438 cubic inches would be around 199.4 feet tall.

Recreational maths with 13691073438

• 13691073438 backwards is 83437019631
• The number of decimal digits it has is: 11
• The sum of 13691073438's digits is 45
• More coming soon!