12355987212

Names of 12355987212

• Cardinal: 12355987212 can be written as Twelve billion, three hundred fifty-five million, nine hundred eighty-seven thousand, two hundred twelve.

Scientific notation

• Scientific notation: 1.2355987212 × 10¹⁰

Factors of 12355987212

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 311

Divisors of 12355987212

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 107 108 162 199 214 243 321 324 398 428 486 597 642 729 796 963 972 1194 1284 1458 1791 1926 2388 2889 2916 3582 3852 5373 5778 7164 8667 10746 11556 16119 17334 21293 21492 26001 32238 34668 39601 42586 48357 52002 63879 64476 78003 79202 85172 96714 104004 118803 127758 145071 156006 158404 191637 193428 237606 255516 290142 312012 356409 383274 475212 574911 580284 712818 766548 1069227 1149822 1425636 1724733 2138454 2299644 3207681 3449466 4237307 4276908 5174199 6415362 6898932 8474614 9623043 10348398 12711921 12830724 15522597 16949228 19246086 20696796 25423842 28869129 31045194 38135763 38492172 50847684 57738258 62090388 76271526 114407289 115476516 152543052 228814578 343221867 457629156 686443734 1029665601 1372887468 2059331202 3088996803 4118662404 6177993606 12355987212
• Sum of all divisors σ(n): 32887884708
• Sum of proper divisors (its aliquot sum) s(n): 20531897496
• 12355987212 is an abundant number, because the sum of its proper divisors (20531897496) is greater than itself. Its abundance is 8175910284

Bases of 12355987212

• Binary: 1011100000011110010110011100001100₂
• Hexadecimal: 0x2E079670C
• Base-36: 5OCFOR0

Squares and roots of 12355987212

• 12355987212 squared (12355987212²) is 152670419983107532944
• 12355987212 cubed (12355987212³) is 1886393756961945933076932712128
• The square root of 12355987212 is 111157.4883307463
• The cube root of 12355987212 is 2311.8473264665

Scales and comparisons

• 12,355,987,212 seconds is equal to 392 years, 45 weeks, 6 days, 2 hours, 40 minutes, 12 seconds.
• To count from 1 to 12,355,987,212 would take you about seven hundred eighty-five 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 12355987212 cubic inches would be around 192.7 feet tall.

Recreational maths with 12355987212

• 12355987212 backwards is 21278955321
• The number of decimal digits it has is: 11
• The sum of 12355987212's digits is 45
• More coming soon!