138338012912

Names of 138338012912

• Cardinal: 138338012912 can be written as One hundred thirty-eight billion, three hundred thirty-eight million, twelve thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.38338012912 × 10¹¹

Factors of 138338012912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 21274

Divisors of 138338012912

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 11 16 19 22 38 44 76 88 103 152 176 206 209 304 361 412 418 722 824 836 1133 1444 1648 1672 1957 2266 2888 3344 3914 3971 4532 5776 7828 7942 9064 15656 15884 18128 21139 21527 31312 31768 37183 42278 43054 63536 74366 84556 86108 148732 169112 172216 232529 297464 338224 344432 401641 409013 465058 594928 803282 818026 930116 1606564 1636052 1860232 2177317 3213128 3272104 3720464 4354634 4418051 6426256 6544208 7631179 8709268 8836102 15262358 17418536 17672204 23950487 30524716 34837072 35344408 41369023 47900974 61049432 70688816 82738046 83942969 95801948 122098864 165476092 167885938 191603896 330952184 335771876 383207792 455059253 661904368 671543752 786011437 910118506 1343087504 1572022874 1820237012 3144045748 3640474024 6288091496 7280948048 8646125807 12576182992 17292251614 34584503228 69169006456 138338012912
• Sum of all divisors σ(n): 311606305920
• Sum of proper divisors (its aliquot sum) s(n): 173268293008
• 138338012912 is an abundant number, because the sum of its proper divisors (173268293008) is greater than itself. Its abundance is 34930280096

Bases of 138338012912

• Binary: 10000000110101100101101000111011110000₂
• Hexadecimal: 0x2035968EF0
• Base-36: 1RJUVPWW

Squares and roots of 138338012912

• 138338012912 squared (138338012912²) is 19137405816440678719744
• 138338012912 cubed (138338012912³) is 2647430692936954514613989101334528
• The square root of 138338012912 is 371938.1842618475
• The cube root of 138338012912 is 5171.8649721195

Scales and comparisons

• 138,338,012,912 seconds is equal to 4,398 years, 37 weeks, 3 days, 9 hours, 48 minutes, 32 seconds.
• To count from 1 to 138,338,012,912 would take you about eight thousand, seven hundred ninety-seven 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 138338012912 cubic inches would be around 431 feet tall.

Recreational maths with 138338012912

• 138338012912 backwards is 219210833831
• The number of decimal digits it has is: 12
• The sum of 138338012912's digits is 41
• More coming soon!