12859378440

Names of 12859378440

• Cardinal: 12859378440 can be written as Twelve billion, eight hundred fifty-nine million, three hundred seventy-eight thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.285937844 × 10¹⁰

Factors of 12859378440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 36538

Divisors of 12859378440

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 3217 6434 9651 12868 16085 19302 25736 32170 33311 38604 48255 64340 66622 77208 96510 99933 128680 133244 166555 193020 199866 266488 333110 386040 399732 499665 666220 799464 999330 1332440 1998660 3997320 107161487 214322974 321484461 428645948 535807435 642968922 857291896 1071614870 1285937844 1607422305 2143229740 2571875688 3214844610 4286459480 6429689220 12859378440
• Sum of all divisors σ(n): 38591285760
• Sum of proper divisors (its aliquot sum) s(n): 25731907320
• 12859378440 is an abundant number, because the sum of its proper divisors (25731907320) is greater than itself. Its abundance is 12872528880

Bases of 12859378440

• Binary: 1011111110011110101000101100001000₂
• Hexadecimal: 0x2FE7A8B08
• Base-36: 5WO53WO

Squares and roots of 12859378440

• 12859378440 squared (12859378440²) is 165363613863136833600
• 12859378440 cubed (12859378440³) is 2126473290872106908765707584000
• The square root of 12859378440 is 113399.1994680739
• The cube root of 12859378440 is 2342.8257702593

Scales and comparisons

• 12,859,378,440 seconds is equal to 408 years, 46 weeks, 1 day, 9 hours, 34 minutes.
• To count from 1 to 12,859,378,440 would take you about eight hundred seventeen 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 12859378440 cubic inches would be around 195.2 feet tall.

Recreational maths with 12859378440

• 12859378440 backwards is 04487395821
• The number of decimal digits it has is: 11
• The sum of 12859378440's digits is 51
• More coming soon!