21407982400
21,407,982,400 is an even composite number composed of four prime numbers multiplied together.
21407982400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-six divisors.
Prime factorization of 21407982400:
26 × 52 × 72 × 273061
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 7 × 273061)See below for interesting mathematical facts about the number 21407982400 from the Numbermatics database.
Names of 21407982400
- Cardinal: 21407982400 can be written as Twenty-one billion, four hundred seven million, nine hundred eighty-two thousand, four hundred.
Scientific notation
- Scientific notation: 2.14079824 × 1010
Factors of 21407982400
Divisors of 21407982400
- Number of divisors d(n): 126
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 64 70 80 98 100 112 140 160 175 196 200 224 245 280 320 350 392 400 448 490 560 700 784 800 980 1120 1225 1400 1568 1600 1960 2240 2450 2800 3136 3920 4900 5600 7840 9800 11200 15680 19600 39200 78400 273061 546122 1092244 1365305 1911427 2184488 2730610 3822854 4368976 5461220 6826525 7645708 8737952 9557135 10922440 13379989 13653050 15291416 17475904 19114270 21844880 26759978 27306100 30582832 38228540 43689760 47785675 53519956 54612200 61165664 66899945 76457080 87379520 95571350 107039912 109224400 122331328 133799890 152914160 191142700 214079824 218448800 267599780 305828320 334499725 382285400 428159648 436897600 535199560 611656640 668999450 764570800 856319296 1070399120 1337998900 1529141600 2140798240 2675997800 3058283200 4281596480 5351995600 10703991200 21407982400
- Sum of all divisors σ(n): 61277570358
- Sum of proper divisors (its aliquot sum) s(n): 39869587958
- 21407982400 is an abundant number, because the sum of its proper divisors (39869587958) is greater than itself. Its abundance is 18461605558
Bases of 21407982400
- Binary: 100111111000000001111100011010000002
- Hexadecimal: 0x4FC03E340
- Base-36: 9U1RCXS
Squares and roots of 21407982400
- 21407982400 squared (214079824002) is 458301710438709760000
- 21407982400 cubed (214079824003) is 9811314950961794820788224000000
-
The
square root of 21407982400 is 146314.6691210421 -
The
cube root of 21407982400 is 2776.6762547825
Scales and comparisons
How big is 21407982400?- 21,407,982,400 seconds is equal to 680 years, 36 weeks, 5 days, 13 hours, 46 minutes, 40 seconds.
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To count from 1 to 21,407,982,400 would take you about one thousand, three hundred sixty-one 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 21407982400 cubic inches would be around 231.4 feet tall.
Recreational maths with 21407982400
- 21407982400 backwards is 00428970412
- The number of decimal digits it has is: 11
- The sum of 21407982400's digits is 37
- More coming soon!
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