138791604

Names of 138791604

• Cardinal: 138791604 can be written as One hundred thirty-eight million, seven hundred ninety-one thousand, six hundred four.

Scientific notation

• Scientific notation: 1.38791604 × 10⁸

Factors of 138791604

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1283

Divisors of 138791604

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 83 84 102 119 166 204 238 249 332 357 476 498 581 714 996 1162 1171 1411 1428 1743 2324 2342 2822 3486 3513 4233 4684 5644 6972 7026 8197 8466 9877 14052 16394 16932 19754 19907 24591 29631 32788 39508 39814 49182 59262 59721 79628 97193 98364 118524 119442 139349 194386 238884 278698 291579 388772 418047 557396 583158 680351 836094 1166316 1360702 1652281 1672188 2041053 2721404 3304562 4082106 4956843 6609124 8164212 9913686 11565967 19827372 23131934 34697901 46263868 69395802 138791604
• Sum of all divisors σ(n): 396942336
• Sum of proper divisors (its aliquot sum) s(n): 258150732
• 138791604 is an abundant number, because the sum of its proper divisors (258150732) is greater than itself. Its abundance is 119359128

Bases of 138791604

• Binary: 1000010001011100101010110100₂
• Hexadecimal: 0x845CAB4
• Base-36: 2AMSAC

Squares and roots of 138791604

• 138791604 squared (138791604²) is 19263109340892816
• 138791604 cubed (138791604³) is 2673557843449896724716864
• The square root of 138791604 is 11780.9848484753
• The cube root of 138791604 is 517.7511413753

Scales and comparisons

• 138,791,604 seconds is equal to 4 years, 21 weeks, 3 days, 9 hours, 13 minutes, 24 seconds.
• To count from 1 to 138,791,604 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 138791604 cubic inches would be around 43.1 feet tall.

Recreational maths with 138791604

• 138791604 backwards is 406197831
• The number of decimal digits it has is: 9
• The sum of 138791604's digits is 39
• More coming soon!