30972490913

Names of 30972490913

• Cardinal: 30972490913 can be written as Thirty billion, nine hundred seventy-two million, four hundred ninety thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 3.0972490913 × 10¹⁰

Factors of 30972490913

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 189

Divisors of 30972490913

• Number of divisors d(n): 80
• Complete list of divisors:
  1 7 13 37 53 79 91 169 259 371 481 553 689 1027 1183 1961 2197 2923 3367 4187 4823 6253 7189 8957 13351 13727 15379 20461 25493 28561 29309 37999 43771 54431 62699 81289 93457 116441 154919 173563 178451 199927 265993 331409 381017 493987 569023 707603 815087 1056757 1084433 1214941 1513733 2013947 2256319 2319863 3457909 4308317 4953221 6421831 7397299 9198839 10596131 14097629 15794233 26181311 30158219 44952817 56008121 64391873 83483803 119584907 183269177 340357043 392056847 584386621 837094349 2382499301 4424641559 30972490913
• Sum of all divisors σ(n): 40634196480
• Sum of proper divisors (its aliquot sum) s(n): 9661705567
• 30972490913 is a deficient number, because the sum of its proper divisors (9661705567) is less than itself. Its deficiency is 21310785346

Bases of 30972490913

• Binary: 11100110110000110101011010010100001₂
• Hexadecimal: 0x7361AB4A1
• Base-36: E887YXT

Squares and roots of 30972490913

• 30972490913 squared (30972490913²) is 959295193355867573569
• 30972490913 cubed (30972490913³) is 29711761659099186397597211478497
• The square root of 30972490913 is 175990.0307204929
• The cube root of 30972490913 is 3140.4511675743

Scales and comparisons

• 30,972,490,913 seconds is equal to 984 years, 43 weeks, 21 hours, 41 minutes, 53 seconds.
• To count from 1 to 30,972,490,913 would take you about one thousand, nine hundred sixty-nine 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 30972490913 cubic inches would be around 261.7 feet tall.

Recreational maths with 30972490913

• 30972490913 backwards is 31909427903
• The number of decimal digits it has is: 11
• The sum of 30972490913's digits is 47
• More coming soon!