12640091264

Names of 12640091264

• Cardinal: 12640091264 can be written as Twelve billion, six hundred forty million, ninety-one thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 1.2640091264 × 10¹⁰

Factors of 12640091264

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1498

Divisors of 12640091264

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 16 29 32 47 53 58 64 94 106 116 128 188 212 232 376 424 464 752 848 928 1363 1367 1504 1537 1696 1856 2491 2726 2734 3008 3074 3392 3712 4982 5452 5468 6016 6148 6784 9964 10904 10936 12296 19928 21808 21872 24592 39643 39856 43616 43744 49184 64249 72239 72451 79286 79712 87232 87488 98368 128498 144478 144902 158572 159424 174464 174976 196736 256996 288956 289804 317144 318848 513992 577912 579608 634288 1027984 1155824 1159216 1268576 1863221 2055968 2101079 2311648 2318432 2537152 3405197 3726442 4111936 4202158 4623296 4636864 5074304 6810394 7452884 8223872 8404316 9246592 9273728 13620788 14905768 16808632 27241576 29811536 33617264 54483152 59623072 67234528 98750713 108966304 119246144 134469056 197501426 217932608 238492288 268938112 395002852 435865216 790005704 1580011408 3160022816 6320045632 12640091264
• Sum of all divisors σ(n): 27125798400
• Sum of proper divisors (its aliquot sum) s(n): 14485707136
• 12640091264 is an abundant number, because the sum of its proper divisors (14485707136) is greater than itself. Its abundance is 1845615872

Bases of 12640091264

• Binary: 1011110001011010000111110010000000₂
• Hexadecimal: 0x2F1687C80
• Base-36: 5T1L0U8

Squares and roots of 12640091264

• 12640091264 squared (12640091264²) is 159771907162249117696
• 12640091264 cubed (12640091264³) is 2019531487954164103180917407744
• The square root of 12640091264 is 112428.1604581343
• The cube root of 12640091264 is 2329.4321753599

Scales and comparisons

• 12,640,091,264 seconds is equal to 401 years, 47 weeks, 4 days, 8 hours, 27 minutes, 44 seconds.
• To count from 1 to 12,640,091,264 would take you about eight hundred three 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 12640091264 cubic inches would be around 194.1 feet tall.

Recreational maths with 12640091264

• 12640091264 backwards is 46219004621
• The number of decimal digits it has is: 11
• The sum of 12640091264's digits is 35
• More coming soon!