12903437872

Names of 12903437872

• Cardinal: 12903437872 can be written as Twelve billion, nine hundred three million, four hundred thirty-seven thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.2903437872 × 10¹⁰

Factors of 12903437872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4136

Divisors of 12903437872

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 13 16 26 52 89 104 178 181 208 356 362 712 724 1157 1424 1448 2314 2353 2896 3851 4628 4706 7702 9256 9412 15404 16109 18512 18824 30808 32218 37648 50063 61616 64436 100126 128872 200252 209417 257744 342739 400504 418834 685478 697031 801008 837668 1370956 1394062 1675336 2741912 2788124 3350672 4455607 5483824 5576248 8911214 9061403 11152496 17822428 18122806 35644856 36245612 62035759 71289712 72491224 124071518 144982448 248143036 496286072 806464867 992572144 1612929734 3225859468 6451718936 12903437872
• Sum of all divisors σ(n): 27383559840
• Sum of proper divisors (its aliquot sum) s(n): 14480121968
• 12903437872 is an abundant number, because the sum of its proper divisors (14480121968) is greater than itself. Its abundance is 1576684096

Bases of 12903437872

• Binary: 1100000001000110101101011000110000₂
• Hexadecimal: 0x3011AD630
• Base-36: 5XEDGDS

Squares and roots of 12903437872

• 12903437872 squared (12903437872²) is 166498708916563888384
• 12903437872 cubed (12903437872³) is 2148405746273094565481686478848
• The square root of 12903437872 is 113593.3002953959
• The cube root of 12903437872 is 2345.4984216421

Scales and comparisons

• 12,903,437,872 seconds is equal to 410 years, 15 weeks, 8 hours, 17 minutes, 52 seconds.
• To count from 1 to 12,903,437,872 would take you about eight hundred twenty 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 12903437872 cubic inches would be around 195.5 feet tall.

Recreational maths with 12903437872

• 12903437872 backwards is 27873430921
• The number of decimal digits it has is: 11
• The sum of 12903437872's digits is 46
• More coming soon!