138259890064

Names of 138259890064

• Cardinal: 138259890064 can be written as One hundred thirty-eight billion, two hundred fifty-nine million, eight hundred ninety thousand and sixty-four.

Scientific notation

• Scientific notation: 1.38259890064 × 10¹¹

Factors of 138259890064

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 156226

Divisors of 138259890064

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 23 29 46 58 83 92 116 166 184 232 332 368 464 664 667 1328 1334 1909 2407 2668 3818 4814 5336 7636 9628 10672 15272 19256 30544 38512 55361 110722 156089 221444 312178 442888 624356 885776 1248712 2497424 3590047 4526581 7180094 9053162 12955387 14360188 18106324 25910774 28720376 36212648 51821548 57440752 72425296 103643096 104111363 207286192 208222726 297973901 375706223 416445452 595947802 751412446 832890904 1191895604 1502824892 1665781808 2383791208 3005649784 4767582416 6011299568 8641243129 17282486258 34564972516 69129945032 138259890064
• Sum of all divisors σ(n): 292650019200
• Sum of proper divisors (its aliquot sum) s(n): 154390129136
• 138259890064 is an abundant number, because the sum of its proper divisors (154390129136) is greater than itself. Its abundance is 16130239072

Bases of 138259890064

• Binary: 10000000110000111011100111111110010000₂
• Hexadecimal: 0x2030EE7F90
• Base-36: 1RIKD9XS

Squares and roots of 138259890064

• 138259890064 squared (138259890064²) is 19115797200509365924096
• 138259890064 cubed (138259890064³) is 2642948019428143897467860728582144
• The square root of 138259890064 is 371833.1481511567
• The cube root of 138259890064 is 5170.8912293917

Scales and comparisons

• 138,259,890,064 seconds is equal to 4,396 years, 12 weeks, 2 days, 5 hours, 1 minute, 4 seconds.
• To count from 1 to 138,259,890,064 would take you about eight thousand, seven hundred ninety-two 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 138259890064 cubic inches would be around 430.9 feet tall.

Recreational maths with 138259890064

• 138259890064 backwards is 460098952831
• The number of decimal digits it has is: 12
• The sum of 138259890064's digits is 55
• More coming soon!