138081094900

Names of 138081094900

• Cardinal: 138081094900 can be written as One hundred thirty-eight billion, eighty-one million, ninety-four thousand, nine hundred.

Scientific notation

• Scientific notation: 1.380810949 × 10¹¹

Factors of 138081094900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 85242

Divisors of 138081094900

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 2381 4762 9524 11905 16667 23810 33334 47620 59525 66668 82847 83335 119050 165694 166670 238100 331388 333340 414235 416675 579929 828470 833350 1159858 1656940 1666700 2071175 2319716 2899645 4142350 5799290 8284700 11598580 14498225 28996450 57992900 197258707 394517414 789034828 986293535 1380810949 1972587070 2761621898 3945174140 4931467675 5523243796 6904054745 9862935350 13808109490 19725870700 27616218980 34520273725 69040547450 138081094900
• Sum of all divisors σ(n): 342589072896
• Sum of proper divisors (its aliquot sum) s(n): 204507977996
• 138081094900 is an abundant number, because the sum of its proper divisors (204507977996) is greater than itself. Its abundance is 66426883096

Bases of 138081094900

• Binary: 10000000100110010001100100110011110100₂
• Hexadecimal: 0x2026464CF4
• Base-36: 1RFLX2PG

Squares and roots of 138081094900

• 138081094900 squared (138081094900²) is 19066388768782806010000
• 138081094900 cubed (138081094900³) is 2632707836982592794155100349000000
• The square root of 138081094900 is 371592.6464557661
• The cube root of 138081094900 is 5168.6613005233

Scales and comparisons

• 138,081,094,900 seconds is equal to 4,390 years, 28 weeks, 4 days, 19 hours, 41 minutes, 40 seconds.
• To count from 1 to 138,081,094,900 would take you about eight thousand, seven hundred eighty-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 138081094900 cubic inches would be around 430.7 feet tall.

Recreational maths with 138081094900

• 138081094900 backwards is 009490180831
• The number of decimal digits it has is: 12
• The sum of 138081094900's digits is 43
• More coming soon!