12388092720

Names of 12388092720

• Cardinal: 12388092720 can be written as Twelve billion, three hundred eighty-eight million, ninety-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.238809272 × 10¹⁰

Factors of 12388092720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2716716

Divisors of 12388092720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 380 456 570 760 912 1140 1520 2280 4560 2716687 5433374 8150061 10866748 13583435 16300122 21733496 27166870 32600244 40750305 43466992 51617053 54333740 65200488 81500610 103234106 108667480 130400976 154851159 163001220 206468212 217334960 258085265 309702318 326002440 412936424 516170530 619404636 652004880 774255795 825872848 1032341060 1238809272 1548511590 2064682120 2477618544 3097023180 4129364240 6194046360 12388092720
• Sum of all divisors σ(n): 40424317440
• Sum of proper divisors (its aliquot sum) s(n): 28036224720
• 12388092720 is an abundant number, because the sum of its proper divisors (28036224720) is greater than itself. Its abundance is 15648132000

Bases of 12388092720

• Binary: 1011100010011000110100101100110000₂
• Hexadecimal: 0x2E2634B30
• Base-36: 5OVJTIO

Squares and roots of 12388092720

• 12388092720 squared (12388092720²) is 153464841239316998400
• 12388092720 cubed (12388092720³) is 1901136682532738685651291648000
• The square root of 12388092720 is 111301.8091497169
• The cube root of 12388092720 is 2313.8479446753

Scales and comparisons

• 12,388,092,720 seconds is equal to 393 years, 46 weeks, 6 days, 16 hours, 52 minutes.
• To count from 1 to 12,388,092,720 would take you about seven hundred eighty-seven 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 12388092720 cubic inches would be around 192.8 feet tall.

Recreational maths with 12388092720

• 12388092720 backwards is 02729088321
• The number of decimal digits it has is: 11
• The sum of 12388092720's digits is 42
• More coming soon!