30891070512

Names of 30891070512

• Cardinal: 30891070512 can be written as Thirty billion, eight hundred ninety-one million, seventy thousand, five hundred twelve.

Scientific notation

• Scientific notation: 3.0891070512 × 10¹⁰

Factors of 30891070512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 121362

Divisors of 30891070512

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 36 48 58 61 72 87 116 122 144 174 183 232 244 261 348 366 464 488 522 549 696 732 976 1044 1098 1392 1464 1769 2088 2196 2928 3538 4176 4392 5307 7076 8784 10614 14152 15921 21228 28304 31842 42456 63684 84912 121267 127368 242534 254736 363801 485068 727602 970136 1091403 1455204 1940272 2182806 2910408 3516743 4365612 5820816 7033486 7397287 8731224 10550229 14066972 14794574 17462448 21100458 22191861 28133944 29589148 31650687 42200916 44383722 56267888 59178296 63301374 66575583 84401832 88767444 118356592 126602748 133151166 168803664 177534888 214521323 253205496 266302332 355069776 429042646 506410992 532604664 643563969 858085292 1065209328 1287127938 1716170584 1930691907 2574255876 3432341168 3861383814 5148511752 7722767628 10297023504 15445535256 30891070512
• Sum of all divisors σ(n): 90900067440
• Sum of proper divisors (its aliquot sum) s(n): 60008996928
• 30891070512 is an abundant number, because the sum of its proper divisors (60008996928) is greater than itself. Its abundance is 29117926416

Bases of 30891070512

• Binary: 11100110001010000000101010000110000₂
• Hexadecimal: 0x731405430
• Base-36: E6VQUK0

Squares and roots of 30891070512

• 30891070512 squared (30891070512²) is 954258237377355942144
• 30891070512 cubed (30891070512³) is 29478058497480736360892496457728
• The square root of 30891070512 is 175758.5574360463
• The cube root of 30891070512 is 3137.6968828097

Scales and comparisons

• 30,891,070,512 seconds is equal to 982 years, 12 weeks, 3 days, 12 hours, 55 minutes, 12 seconds.
• To count from 1 to 30,891,070,512 would take you about one thousand, nine hundred sixty-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 30891070512 cubic inches would be around 261.5 feet tall.

Recreational maths with 30891070512

• 30891070512 backwards is 21507019803
• 30891070512 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30891070512's digits is 36
• More coming soon!