21365406400
21,365,406,400 is an even composite number composed of five prime numbers multiplied together.
What does the number 21365406400 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 168 divisors.
21365406400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 21365406400:
26 × 52 × 13 × 73 × 14071
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 13 × 73 × 14071)See below for interesting mathematical facts about the number 21365406400 from the Numbermatics database.
Names of 21365406400
- Cardinal: 21365406400 can be written as Twenty-one billion, three hundred sixty-five million, four hundred six thousand, four hundred.
Scientific notation
- Scientific notation: 2.13654064 × 1010
Factors of 21365406400
Divisors of 21365406400
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 73 80 100 104 130 146 160 200 208 260 292 320 325 365 400 416 520 584 650 730 800 832 949 1040 1168 1300 1460 1600 1825 1898 2080 2336 2600 2920 3650 3796 4160 4672 4745 5200 5840 7300 7592 9490 10400 11680 14071 14600 15184 18980 20800 23360 23725 28142 29200 30368 37960 47450 56284 58400 60736 70355 75920 94900 112568 116800 140710 151840 182923 189800 225136 281420 303680 351775 365846 379600 450272 562840 703550 731692 759200 900544 914615 1027183 1125680 1407100 1463384 1518400 1829230 2054366 2251360 2814200 2926768 3658460 4108732 4502720 4573075 5135915 5628400 5853536 7316920 8217464 9146150 10271830 11256800 11707072 13353379 14633840 16434928 18292300 20543660 22513600 25679575 26706758 29267680 32869856 36584600 41087320 51359150 53413516 58535360 65739712 66766895 73169200 82174640 102718300 106827032 133533790 146338400 164349280 205436600 213654064 267067580 292676800 328698560 333834475 410873200 427308128 534135160 667668950 821746400 854616256 1068270320 1335337900 1643492800 2136540640 2670675800 4273081280 5341351600 10682703200 21365406400
- Sum of all divisors σ(n): 57395916704
- Sum of proper divisors (its aliquot sum) s(n): 36030510304
- 21365406400 is an abundant number, because the sum of its proper divisors (36030510304) is greater than itself. Its abundance is 14665103904
Bases of 21365406400
- Binary: 100111110010111101000111010110000002
- Hexadecimal: 0x4F97A3AC0
- Base-36: 9TCET34
Squares and roots of 21365406400
- 21365406400 squared (213654064002) is 456480590637160960000
- 21365406400 cubed (213654064003) is 9752893332674978852614144000000
-
The
square root of 21365406400 is 146169.1020701707 -
The
cube root of 21365406400 is 2774.8342903511
Scales and comparisons
How big is 21365406400?- 21,365,406,400 seconds is equal to 679 years, 18 weeks, 2 days, 19 hours, 6 minutes, 40 seconds.
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To count from 1 to 21,365,406,400 would take you about one thousand, three hundred fifty-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 21365406400 cubic inches would be around 231.2 feet tall.
Recreational maths with 21365406400
- 21365406400 backwards is 00460456312
- The number of decimal digits it has is: 11
- The sum of 21365406400's digits is 31
- More coming soon!
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