75138136640

Names of 75138136640

• Cardinal: 75138136640 can be written as Seventy-five billion, one hundred thirty-eight million, one hundred thirty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.513813664 × 10¹⁰

Factors of 75138136640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4791987

Divisors of 75138136640

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 140 160 196 224 245 280 320 392 448 490 560 784 980 1120 1568 1960 2240 3136 3920 7840 15680 4791973 9583946 19167892 23959865 33543811 38335784 47919730 67087622 76671568 95839460 134175244 153343136 167719055 191678920 234806677 268350488 306686272 335438110 383357840 469613354 536700976 670876220 766715680 939226708 1073401952 1174033385 1341752440 1533431360 1878453416 2146803904 2348066770 2683504880 3756906832 4696133540 5367009760 7513813664 9392267080 10734019520 15027627328 18784534160 37569068320 75138136640
• Sum of all divisors σ(n): 208134598716
• Sum of proper divisors (its aliquot sum) s(n): 132996462076
• 75138136640 is an abundant number, because the sum of its proper divisors (132996462076) is greater than itself. Its abundance is 57858325436

Bases of 75138136640

• Binary: 1000101111110100101001111101001000000₂
• Hexadecimal: 0x117E94FA40
• Base-36: YINB1A8

Squares and roots of 75138136640

• 75138136640 squared (75138136640²) is 5645739577731310489600
• 75138136640 cubed (75138136640³) is 424210351825431108773830098944000
• The square root of 75138136640 is 274113.3645775047
• The cube root of 75138136640 is 4219.7508264637

Scales and comparisons

• 75,138,136,640 seconds is equal to 2,389 years, 8 weeks, 2 days, 8 hours, 37 minutes, 20 seconds.
• To count from 1 to 75,138,136,640 would take you about four thousand, seven hundred seventy-eight 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 75138136640 cubic inches would be around 351.6 feet tall.

Recreational maths with 75138136640

• 75138136640 backwards is 04663183157
• The number of decimal digits it has is: 11
• The sum of 75138136640's digits is 44
• More coming soon!