12492749907

Names of 12492749907

• Cardinal: 12492749907 can be written as Twelve billion, four hundred ninety-two million, seven hundred forty-nine thousand, nine hundred seven.

Scientific notation

• Scientific notation: 1.2492749907 × 10¹⁰

Factors of 12492749907

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 989

Divisors of 12492749907

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 11 19 27 33 57 99 121 171 209 297 313 363 513 627 643 939 1089 1881 1929 2299 2817 3267 3443 5643 5787 5947 6897 7073 8451 10329 12217 17361 17841 20691 21219 30987 36651 37873 53523 62073 63657 65417 77803 92961 109953 113619 134387 160569 190971 196251 201259 233409 329859 340857 403161 588753 603777 700227 719587 1022571 1209483 1478257 1766259 1811331 2100681 2158761 2213849 3628449 3823921 4434771 5433993 6476283 6641547 11471763 13304313 19428849 19924641 24352339 34415289 39912939 42063131 59773923 73057017 103245867 126189393 219171051 378568179 462694441 657513153 1135704537 1388083323 4164249969 12492749907
• Sum of all divisors σ(n): 21515782400
• Sum of proper divisors (its aliquot sum) s(n): 9023032493
• 12492749907 is a deficient number, because the sum of its proper divisors (9023032493) is less than itself. Its deficiency is 3469717414

Bases of 12492749907

• Binary: 1011101000101000000011110001010011₂
• Hexadecimal: 0x2E8A03C53
• Base-36: 5QLUZIR

Squares and roots of 12492749907

• 12492749907 squared (12492749907²) is 156068800238848508649
• 12492749907 cubed (12492749907³) is 1949728489669476284211883445643
• The square root of 12492749907 is 111770.9707705897
• The cube root of 12492749907 is 2320.3456373539

Scales and comparisons

• 12,492,749,907 seconds is equal to 397 years, 12 weeks, 18 minutes, 27 seconds.
• To count from 1 to 12,492,749,907 would take you about seven hundred ninety-four 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 12492749907 cubic inches would be around 193.4 feet tall.

Recreational maths with 12492749907

• 12492749907 backwards is 70994729421
• The number of decimal digits it has is: 11
• The sum of 12492749907's digits is 54
• More coming soon!