21000126240
21,000,126,240 is an even composite number composed of six prime numbers multiplied together.
21000126240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21000126240:
25 × 32 × 5 × 67 × 307 × 709
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 67 × 307 × 709)See below for interesting mathematical facts about the number 21000126240 from the Numbermatics database.
Names of 21000126240
- Cardinal: 21000126240 can be written as Twenty-one billion, one hundred twenty-six thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.100012624 × 1010
Factors of 21000126240
Divisors of 21000126240
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 67 72 80 90 96 120 134 144 160 180 201 240 268 288 307 335 360 402 480 536 603 614 670 709 720 804 921 1005 1072 1206 1228 1340 1418 1440 1535 1608 1842 2010 2127 2144 2412 2456 2680 2763 2836 3015 3070 3216 3545 3684 4020 4254 4605 4824 4912 5360 5526 5672 6030 6140 6381 6432 7090 7368 8040 8508 9210 9648 9824 10635 10720 11052 11344 12060 12280 12762 13815 14180 14736 16080 17016 18420 19296 20569 21270 22104 22688 24120 24560 25524 27630 28360 29472 31905 32160 34032 36840 41138 42540 44208 47503 48240 49120 51048 55260 56720 61707 63810 68064 73680 82276 85080 88416 95006 96480 102096 102845 110520 113440 123414 127620 142509 147360 164552 170160 185121 190012 204192 205690 217663 221040 237515 246828 255240 285018 308535 329104 340320 370242 380024 411380 427527 435326 442080 475030 493656 510480 570036 617070 652989 658208 712545 740484 760048 822760 855054 870652 925605 950060 987312 1020960 1088315 1140072 1234140 1305978 1425090 1480968 1520096 1645520 1710108 1741304 1851210 1900120 1958967 1974624 2137635 2176630 2280144 2468280 2611956 2850180 2961936 3264945 3291040 3420216 3482608 3702420 3800240 3917934 4275270 4353260 4560288 4936560 5223912 5700360 5923872 6529890 6840432 6965216 7404840 7600480 7835868 8550540 8706520 9794835 9873120 10447824 11400720 13059780 13680864 14583421 14809680 15671736 17101080 17413040 19589670 20895648 22801440 26119560 29166842 29619360 31343472 34202160 34826080 39179340 43750263 52239120 58333684 62686944 68404320 72917105 78358680 87500526 104478240 116667368 131250789 145834210 156717360 175001052 218751315 233334736 262501578 291668420 313434720 350002104 437502630 466669472 525003156 583336840 656253945 700004208 875005260 1050006312 1166673680 1312507890 1400008416 1750010520 2100012624 2333347360 2625015780 3500021040 4200025248 5250031560 7000042080 10500063120 21000126240
- Sum of all divisors σ(n): 73072359360
- Sum of proper divisors (its aliquot sum) s(n): 52072233120
- 21000126240 is an abundant number, because the sum of its proper divisors (52072233120) is greater than itself. Its abundance is 31072106880
Bases of 21000126240
- Binary: 100111000111011010001111111001000002
- Hexadecimal: 0x4E3B47F20
- Base-36: 9NAXL40
Squares and roots of 21000126240
- 21000126240 squared (210001262402) is 441005302095936537600
- 21000126240 cubed (210001262403) is 9261167016524003880628506624000
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The
square root of 21000126240 is 144914.2030306209 -
The
cube root of 21000126240 is 2758.9297047285
Scales and comparisons
How big is 21000126240?- 21,000,126,240 seconds is equal to 667 years, 38 weeks, 3 days, 24 minutes.
-
To count from 1 to 21,000,126,240 would take you about one thousand, three hundred thirty-five 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 21000126240 cubic inches would be around 229.9 feet tall.
Recreational maths with 21000126240
- 21000126240 backwards is 04262100012
- 21000126240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21000126240's digits is 18
- More coming soon!
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