138612950

Names of 138612950

• Cardinal: 138612950 can be written as One hundred thirty-eight million, six hundred twelve thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 1.3861295 × 10⁸

Factors of 138612950

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 361

Divisors of 138612950

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 7 10 14 23 25 35 46 50 67 70 115 134 161 175 230 257 322 335 350 469 514 575 670 805 938 1150 1285 1541 1610 1675 1799 2345 2570 3082 3350 3598 4025 4690 5911 6425 7705 8050 8995 10787 11725 11822 12850 15410 17219 17990 21574 23450 29555 34438 38525 41377 44975 53935 59110 77050 82754 86095 89950 107870 120533 147775 172190 206885 241066 269675 295550 396037 413770 430475 539350 602665 792074 860950 1034425 1205330 1980185 2068850 2772259 3013325 3960370 5544518 6026650 9900925 13861295 19801850 27722590 69306475 138612950
• Sum of all divisors σ(n): 313265664
• Sum of proper divisors (its aliquot sum) s(n): 174652714
• 138612950 is an abundant number, because the sum of its proper divisors (174652714) is greater than itself. Its abundance is 36039764

Bases of 138612950

• Binary: 1000010000110001000011010110₂
• Hexadecimal: 0x84310D6
• Base-36: 2AIYFQ

Squares and roots of 138612950

• 138612950 squared (138612950²) is 19213549907702500
• 138612950 cubed (138612950³) is 2663246832678871247375000
• The square root of 138612950 is 11773.4001036235
• The cube root of 138612950 is 517.5288944325

Scales and comparisons

• 138,612,950 seconds is equal to 4 years, 21 weeks, 1 day, 7 hours, 35 minutes, 50 seconds.
• To count from 1 to 138,612,950 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 138612950 cubic inches would be around 43.1 feet tall.

Recreational maths with 138612950

• 138612950 backwards is 059216831
• 138612950 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138612950's digits is 35
• More coming soon!