21420993160749
21,420,993,160,749 is an odd composite number composed of seven prime numbers multiplied together.
21420993160749 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21420993160749:
3 × 7 × 132 × 19 × 31 × 757 × 13537
(3 × 7 × 13 × 13 × 19 × 31 × 757 × 13537)See below for interesting mathematical facts about the number 21420993160749 from the Numbermatics database.
Names of 21420993160749
- Cardinal: 21420993160749 can be written as Twenty-one trillion, four hundred twenty billion, nine hundred ninety-three million, one hundred sixty thousand, seven hundred forty-nine.
Scientific notation
- Scientific notation: 2.1420993160749 × 1013
Factors of 21420993160749
Divisors of 21420993160749
- Number of divisors d(n): 192
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Complete list of divisors:
1 3 7 13 19 21 31 39 57 91 93 133 169 217 247 273 399 403 507 589 651 741 757 1183 1209 1729 1767 2271 2821 3211 3549 4123 5187 5239 5299 7657 8463 9633 9841 12369 13537 14383 15717 15897 22477 22971 23467 29523 36673 40611 43149 53599 67431 68887 70401 94759 99541 100681 110019 127933 160797 164269 175981 186979 206661 257203 284277 298623 302043 305071 383799 419647 445873 492807 527943 560937 696787 771609 895531 915213 1231867 1258941 1308853 1337619 1800421 2090361 2135497 2287753 2430727 2686593 2937529 3121111 3343639 3695601 3926559 3965923 5401263 5455411 5796349 6406491 6863259 7292181 7973293 8812587 9363333 10030917 10247509 11897769 16014271 16366233 17015089 17389047 23405473 23919879 27761461 30742527 38187877 40574443 43467307 48042813 51045267 55813051 70216419 70920343 71732563 75352537 83284383 103652809 114563631 121723329 130401921 133217617 167439153 194702671 212761029 215197689 226057611 304271149 310958427 317672779 399652851 496442401 527467759 584108013 725569663 912813447 932523319 953018337 1347486517 1362918697 1489327203 1582403277 1731829021 2176708989 2223709453 2531134723 2797569957 4042459551 4088756091 4129746127 5195487063 6035782801 6671128359 7593404169 9432405619 12122803147 12389238381 17717943061 18107348403 28297216857 28908222889 32904751399 36368409441 42250479607 53153829183 53686699651 78465176413 86724668667 98714254197 126751438821 161060098953 230333259793 235395529239 375806897557 549256234891 690999779379 1020047293369 1127420692671 1647768704673 3060141880107 7140331053583 21420993160749
- Sum of all divisors σ(n): 38459599503360
- Sum of proper divisors (its aliquot sum) s(n): 17038606342611
- 21420993160749 is a deficient number, because the sum of its proper divisors (17038606342611) is less than itself. Its deficiency is 4382386818138
Bases of 21420993160749
- Binary: 1001101111011011101101011000000100110001011012
- Hexadecimal: 0x137B76B0262D
- Base-36: 7LCO295IL
Squares and roots of 21420993160749
- 21420993160749 squared (214209931607492) is 458858947992855433354241001
- 21420993160749 cubed (214209931607493) is 9829214386703437318796681058994879669749
-
The
square root of 21420993160749 is 4628281.8800013683 -
The
cube root of 21420993160749 is 27772.3865176651
Scales and comparisons
How big is 21420993160749?- 21,420,993,160,749 seconds is equal to 681,121 years, 16 weeks, 5 days, 13 hours, 59 minutes, 9 seconds.
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To count from 1 to 21,420,993,160,749 would take you about one million, seven hundred two thousand, 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 21420993160749 cubic inches would be around 2314.4 feet tall.
Recreational maths with 21420993160749
- 21420993160749 backwards is 94706139902412
- 21420993160749 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21420993160749's digits is 57
- More coming soon!
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The information we have on file for 21420993160749 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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