21000741421640625
21,000,741,421,640,625 is an odd composite number composed of four prime numbers multiplied together.
21000741421640625 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21000741421640625:
32 × 57 × 23 × 10913
(3 × 3 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 23 × 1091 × 1091 × 1091)See below for interesting mathematical facts about the number 21000741421640625 from the Numbermatics database.
Names of 21000741421640625
- Cardinal: 21000741421640625 can be written as Twenty-one quadrillion, seven hundred forty-one billion, four hundred twenty-one million, six hundred forty thousand, six hundred twenty-five.
Scientific notation
- Scientific notation: 2.1000741421640625 × 1016
Factors of 21000741421640625
Divisors of 21000741421640625
- Number of divisors d(n): 192
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Complete list of divisors:
1 3 5 9 15 23 25 45 69 75 115 125 207 225 345 375 575 625 1035 1091 1125 1725 1875 2875 3125 3273 5175 5455 5625 8625 9375 9819 14375 15625 16365 25093 25875 27275 28125 43125 46875 49095 71875 75279 78125 81825 125465 129375 136375 140625 215625 225837 234375 245475 359375 376395 409125 627325 646875 681875 703125 1078125 1129185 1190281 1227375 1796875 1881975 2045625 3136625 3234375 3409375 3570843 5390625 5645925 5951405 6136875 9409875 10228125 10712529 15683125 16171875 17046875 17854215 27376463 28229625 29757025 30684375 47049375 51140625 53562645 78415625 82129389 85234375 89271075 136882315 141148125 148785125 153421875 235246875 246388167 255703125 267813225 392078125 410646945 446355375 684411575 705740625 743925625 767109375 1176234375 1231940835 1298596571 1339066125 1960390625 2053234725 2231776875 3422057875 3528703125 3719628125 3895789713 5881171875 6159704175 6492982855 6695330625 10266173625 11158884375 11687369139 17110289375 17643515625 18598140625 19478948565 29867721133 30798520875 32464914275 33476653125 51330868125 55794421875 58436845695 85551446875 89603163399 92990703125 97394742825 149338605665 153992604375 162324571375 167383265625 256654340625 268809490197 278972109375 292184228475 427757234375 448015816995 486973714125 746693028325 769963021875 811622856875 836916328125 1283271703125 1344047450985 1460921142375 2138786171875 2240079084975 2434868570625 3733465141625 3849815109375 4058114284375 6416358515625 6720237254925 7304605711875 11200395424875 12174342853125 18667325708125 19249075546875 20290571421875 33601186274625 36523028559375 56001977124375 60871714265625 93336628540625 101452857109375 168005931373125 182615142796875 280009885621875 304358571328125 466683142703125 840029656865625 913075713984375 1400049428109375 2333415713515625 4200148284328125 7000247140546875 21000741421640625
- Sum of all divisors σ(n): 39602812535290368
- Sum of proper divisors (its aliquot sum) s(n): 18602071113649743
- 21000741421640625 is a deficient number, because the sum of its proper divisors (18602071113649743) is less than itself. Its deficiency is 2398670307990882
Bases of 21000741421640625
- Binary: 10010101001110000010000001001000111010011101011101100012
- Hexadecimal: 0x4A9C102474EBB1
- Base-36: 5QS53F7DAY9
Squares and roots of 21000741421640625
- 21000741421640625 squared (210007414216406252) is 441031140258612299187066650390625
- 21000741421640625 cubed (210007414216406253) is 9261980935462435537746048736512838840484619140625
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The
square root of 21000741421640625 is 144916325.5870111589 -
The
cube root of 21000741421640625 is 275895.6644667101
Scales and comparisons
How big is 21000741421640625?- 21,000,741,421,640,625 seconds is equal to 667,758,617 years, 33 weeks, 5 days, 13 hours, 3 minutes, 45 seconds.
-
To count from 1 to 21,000,741,421,640,625 would take you about two billion, three million, two hundred seventy-five thousand, eight hundred fifty-two 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 21000741421640625 cubic inches would be around 22991.3 feet tall.
Recreational maths with 21000741421640625
- 21000741421640625 backwards is 52604612414700012
- 21000741421640625 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 21000741421640625's digits is 45
- More coming soon!
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