12920703872

Names of 12920703872

• Cardinal: 12920703872 can be written as Twelve billion, nine hundred twenty million, seven hundred three thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.2920703872 × 10¹⁰

Factors of 12920703872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2491

Divisors of 12920703872

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 16 32 64 89 128 178 356 647 712 1294 1424 1753 2588 2848 3506 5176 5696 7012 10352 11392 14024 20704 28048 41408 56096 57583 82816 112192 115166 156017 224384 230332 312034 460664 624068 921328 1134191 1248136 1842656 2268382 2496272 3685312 4536764 4992544 7370624 9073528 9985088 18147056 19970176 36294112 72588224 100942999 145176448 201885998 403771996 807543992 1615087984 3230175968 6460351936 12920703872
• Sum of all divisors σ(n): 26084786400
• Sum of proper divisors (its aliquot sum) s(n): 13164082528
• 12920703872 is an abundant number, because the sum of its proper divisors (13164082528) is greater than itself. Its abundance is 243378656

Bases of 12920703872

• Binary: 1100000010001000100100101110000000₂
• Hexadecimal: 0x302224B80
• Base-36: 5XONIWW

Squares and roots of 12920703872

• 12920703872 squared (12920703872²) is 166944588547915792384
• 12920703872 cubed (12920703872³) is 2157041591660502436185896910848
• The square root of 12920703872 is 113669.2740893509
• The cube root of 12920703872 is 2346.5441203797

Scales and comparisons

• 12,920,703,872 seconds is equal to 410 years, 43 weeks, 4 days, 4 hours, 24 minutes, 32 seconds.
• To count from 1 to 12,920,703,872 would take you about eight hundred twenty-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 12920703872 cubic inches would be around 195.5 feet tall.

Recreational maths with 12920703872

• 12920703872 backwards is 27830702921
• The number of decimal digits it has is: 11
• The sum of 12920703872's digits is 41
• More coming soon!