18893313712

Names of 18893313712

• Cardinal: 18893313712 can be written as Eighteen billion, eight hundred ninety-three million, three hundred thirteen thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8893313712 × 10¹⁰

Factors of 18893313712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 128600

Divisors of 18893313712

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 52 56 91 101 104 112 182 202 208 364 404 707 728 808 1313 1414 1456 1616 2626 2828 5252 5656 9191 10504 11312 18382 21008 36764 73528 128477 147056 256954 513908 899339 1027816 1670201 1798678 2055632 3340402 3597356 6680804 7194712 11691407 12976177 13361608 14389424 23382814 25952354 26723216 46765628 51904708 90833239 93531256 103809416 168690301 181666478 187062512 207618832 337380602 363332956 674761204 726665912 1180832107 1349522408 1453331824 2361664214 2699044816 4723328428 9446656856 18893313712
• Sum of all divisors σ(n): 45499712832
• Sum of proper divisors (its aliquot sum) s(n): 26606399120
• 18893313712 is an abundant number, because the sum of its proper divisors (26606399120) is greater than itself. Its abundance is 7713085408

Bases of 18893313712

• Binary: 10001100110001000010001011010110000₂
• Hexadecimal: 0x4662116B0
• Base-36: 8OGLA5S

Squares and roots of 18893313712

• 18893313712 squared (18893313712²) is 356957303020047218944
• 18893313712 cubed (18893313712³) is 6744106307747197132562141360128
• The square root of 18893313712 is 137452.9509032091
• The cube root of 18893313712 is 2663.3978527359

Scales and comparisons

• 18,893,313,712 seconds is equal to 600 years, 38 weeks, 6 days, 14 hours, 41 minutes, 52 seconds.
• To count from 1 to 18,893,313,712 would take you about one thousand, two hundred one 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 18893313712 cubic inches would be around 221.9 feet tall.

Recreational maths with 18893313712

• 18893313712 backwards is 21731339881
• The number of decimal digits it has is: 11
• The sum of 18893313712's digits is 46
• More coming soon!