21312401600
21,312,401,600 is an even composite number composed of five prime numbers multiplied together.
21312401600 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 21312401600:
26 × 52 × 7 × 29 × 65617
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 29 × 65617)See below for interesting mathematical facts about the number 21312401600 from the Numbermatics database.
Names of 21312401600
- Cardinal: 21312401600 can be written as Twenty-one billion, three hundred twelve million, four hundred one thousand, six hundred.
Scientific notation
- Scientific notation: 2.13124016 × 1010
Factors of 21312401600
Divisors of 21312401600
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 29 32 35 40 50 56 58 64 70 80 100 112 116 140 145 160 175 200 203 224 232 280 290 320 350 400 406 448 464 560 580 700 725 800 812 928 1015 1120 1160 1400 1450 1600 1624 1856 2030 2240 2320 2800 2900 3248 4060 4640 5075 5600 5800 6496 8120 9280 10150 11200 11600 12992 16240 20300 23200 32480 40600 46400 64960 65617 81200 131234 162400 262468 324800 328085 459319 524936 656170 918638 1049872 1312340 1640425 1837276 1902893 2099744 2296595 2624680 3280850 3674552 3805786 4199488 4593190 5249360 6561700 7349104 7611572 9186380 9514465 10498720 11482975 13123400 13320251 14698208 15223144 18372760 19028930 20997440 22965950 26246800 26640502 29396416 30446288 36745520 38057860 45931900 47572325 52493600 53281004 60892576 66601255 73491040 76115720 91863800 95144650 104987200 106562008 121785152 133202510 146982080 152231440 183727600 190289300 213124016 266405020 304462880 333006275 367455200 380578600 426248032 532810040 608925760 666012550 734910400 761157200 852496064 1065620080 1332025100 1522314400 2131240160 2664050200 3044628800 4262480320 5328100400 10656200800 21312401600
- Sum of all divisors σ(n): 62001135840
- Sum of proper divisors (its aliquot sum) s(n): 40688734240
- 21312401600 is an abundant number, because the sum of its proper divisors (40688734240) is greater than itself. Its abundance is 19376332640
Bases of 21312401600
- Binary: 100111101100101000101110000110000002
- Hexadecimal: 0x4F65170C0
- Base-36: 9SGUQBK
Squares and roots of 21312401600
- 21312401600 squared (213124016002) is 454218461959682560000
- 21312401600 cubed (213124016003) is 9680486275419077727236096000000
-
The
square root of 21312401600 is 145987.6761922047 -
The
cube root of 21312401600 is 2772.5377222421
Scales and comparisons
How big is 21312401600?- 21,312,401,600 seconds is equal to 677 years, 34 weeks, 5 days, 7 hours, 33 minutes, 20 seconds.
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To count from 1 to 21,312,401,600 would take you about one thousand, three hundred fifty-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 21312401600 cubic inches would be around 231 feet tall.
Recreational maths with 21312401600
- 21312401600 backwards is 00610421312
- 21312401600 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21312401600's digits is 20
- More coming soon!
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