133979940

Names of 133979940

• Cardinal: 133979940 can be written as One hundred thirty-three million, nine hundred seventy-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.3397994 × 10⁸

Factors of 133979940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1330

Divisors of 133979940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 227 270 454 540 681 908 1093 1135 1362 2043 2186 2270 2724 3279 3405 4086 4372 4540 5465 6129 6558 6810 8172 9837 10215 10930 12258 13116 13620 16395 19674 20430 21860 24516 29511 30645 32790 39348 40860 49185 59022 61290 65580 98370 118044 122580 147555 196740 248111 295110 496222 590220 744333 992444 1240555 1488666 2232999 2481110 2977332 3721665 4465998 4962220 6698997 7443330 8931996 11164995 13397994 14886660 22329990 26795988 33494985 44659980 66989970 133979940
• Sum of all divisors σ(n): 419045760
• Sum of proper divisors (its aliquot sum) s(n): 285065820
• 133979940 is an abundant number, because the sum of its proper divisors (285065820) is greater than itself. Its abundance is 151085880

Bases of 133979940

• Binary: 111111111000101111100100100₂
• Hexadecimal: 0x7FC5F24
• Base-36: 27RNL0

Squares and roots of 133979940

• 133979940 squared (133979940²) is 17950624322403600
• 133979940 cubed (133979940³) is 2405023569678174983784000
• The square root of 133979940 is 11574.9704103293
• The cube root of 133979940 is 511.6974581849

Scales and comparisons

• 133,979,940 seconds is equal to 4 years, 13 weeks, 3 days, 16 hours, 39 minutes.
• To count from 1 to 133,979,940 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 133979940 cubic inches would be around 42.6 feet tall.

Recreational maths with 133979940

• 133979940 backwards is 049979331
• 133979940 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 133979940's digits is 45
• More coming soon!