138946100

Names of 138946100

• Cardinal: 138946100 can be written as One hundred thirty-eight million, nine hundred forty-six thousand, one hundred.

Scientific notation

• Scientific notation: 1.389461 × 10⁸

Factors of 138946100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 108

Divisors of 138946100

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 10 17 20 25 34 37 47 50 68 74 85 94 100 148 170 185 188 235 340 370 425 470 629 740 799 850 925 940 1175 1258 1598 1700 1739 1850 2209 2350 2516 3145 3196 3478 3700 3995 4418 4700 6290 6956 7990 8695 8836 11045 12580 15725 15980 17390 19975 22090 29563 31450 34780 37553 39950 43475 44180 55225 59126 62900 75106 79900 81733 86950 110450 118252 147815 150212 163466 173900 187765 220900 295630 326932 375530 408665 591260 739075 751060 817330 938825 1389461 1478150 1634660 1877650 2043325 2778922 2956300 3755300 4086650 5557844 6947305 8173300 13894610 27789220 34736525 69473050 138946100
• Sum of all divisors σ(n): 335001996
• Sum of proper divisors (its aliquot sum) s(n): 196055896
• 138946100 is an abundant number, because the sum of its proper divisors (196055896) is greater than itself. Its abundance is 57109796

Bases of 138946100

• Binary: 1000010010000010011000110100₂
• Hexadecimal: 0x8482634
• Base-36: 2AQ3HW

Squares and roots of 138946100

• 138946100 squared (138946100²) is 19306018705210000
• 138946100 cubed (138946100³) is 2682496005615979181000000
• The square root of 138946100 is 11787.5400317453
• The cube root of 138946100 is 517.9431818541

Scales and comparisons

• 138,946,100 seconds is equal to 4 years, 21 weeks, 5 days, 4 hours, 8 minutes, 20 seconds.
• To count from 1 to 138,946,100 would take you about six 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 138946100 cubic inches would be around 43.2 feet tall.

Recreational maths with 138946100

• 138946100 backwards is 001649831
• The number of decimal digits it has is: 9
• The sum of 138946100's digits is 32
• More coming soon!