21137251073472

Names of 21137251073472

• Cardinal: 21137251073472 can be written as Twenty-one trillion, one hundred thirty-seven billion, two hundred fifty-one million, seventy-three thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1137251073472 × 10¹³

Factors of 21137251073472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 470878

Divisors of 21137251073472

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 83 96 144 166 192 249 288 332 498 576 664 747 941 996 1328 1494 1882 1992 2656 2823 2988 3764 3984 5312 5646 5976 7528 7968 8469 11292 11952 15056 15936 16938 22584 23904 30112 33876 45168 47808 60224 67752 78103 90336 135504 156206 180672 234309 271008 312412 468618 469849 542016 624824 702927 937236 939698 1249648 1405854 1409547 1874472 1879396 2499296 2811708 2819094 3748944 3758792 4228641 4998592 5623416 5638188 7497888 7517584 8457282 11246832 11276376 14995776 15035168 16914564 22493664 22552752 30070336 33829128 38997467 44987328 45105504 67658256 77994934 90211008 116992401 135316512 155989868 233984802 270633024 311979736 350977203 442127909 467969604 623959472 701954406 884255818 935939208 1247918944 1326383727 1403908812 1768511636 1871878416 2495837888 2652767454 2807817624 3537023272 3743756832 3979151181 5305534908 5615635248 7074046544 7487513664 7958302362 10611069816 11231270496 14148093088 15916604724 21222139632 22462540992 28296186176 31833209448 36696616447 42444279264 63666418896 73393232894 84888558528 110089849341 127332837792 146786465788 220179698682 254665675584 293572931576 330269548023 440359397364 587145863152 660539096046 880718794728 1174291726304 1321078192092 1761437589456 2348583452608 2642156384184 3522875178912 5284312768368 7045750357824 10568625536736 21137251073472
• Sum of all divisors σ(n): 61381358110800
• Sum of proper divisors (its aliquot sum) s(n): 40244107037328
• 21137251073472 is an abundant number, because the sum of its proper divisors (40244107037328) is greater than itself. Its abundance is 19106855963856

Bases of 21137251073472

• Binary: 100110011100101100110010101110111110111000000₂
• Hexadecimal: 0x133966577DC0
• Base-36: 7HQBHJHS0

Squares and roots of 21137251073472

• 21137251073472 squared (21137251073472²) is 446783382942993216342134784
• 21137251073472 cubed (21137251073472³) is 9443772540721235016708602396328110850048
• The square root of 21137251073472 is 4597526.6256403563
• The cube root of 21137251073472 is 27649.2168957763

Scales and comparisons

• 21,137,251,073,472 seconds is equal to 672,099 years, 10 weeks, 3 days, 15 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,137,251,073,472 would take you about one million, six hundred eighty thousand, two hundred forty-eight 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 21137251073472 cubic inches would be around 2304.1 feet tall.

Recreational maths with 21137251073472

• 21137251073472 backwards is 27437015273112
• The number of decimal digits it has is: 14
• The sum of 21137251073472's digits is 45
• More coming soon!