64121664
64,121,664 is an even composite number composed of four prime numbers multiplied together.
64121664 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.
Prime factorization of 64121664:
26 × 3 × 337 × 991
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 337 × 991)See below for interesting mathematical facts about the number 64121664 from the Numbermatics database.
Names of 64121664
- Cardinal: 64121664 can be written as Sixty-four million, one hundred twenty-one thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 6.4121664 × 107
Factors of 64121664
Divisors of 64121664
- Number of divisors d(n): 56
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Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 64 96 192 337 674 991 1011 1348 1982 2022 2696 2973 3964 4044 5392 5946 7928 8088 10784 11892 15856 16176 21568 23784 31712 32352 47568 63424 64704 95136 190272 333967 667934 1001901 1335868 2003802 2671736 4007604 5343472 8015208 10686944 16030416 21373888 32060832 64121664
- Sum of all divisors σ(n): 170330368
- Sum of proper divisors (its aliquot sum) s(n): 106208704
- 64121664 is an abundant number, because the sum of its proper divisors (106208704) is greater than itself. Its abundance is 42087040
Bases of 64121664
- Binary: 111101001001101011010000002
- Hexadecimal: 0x3D26B40
- Base-36: 126CLC
Squares and roots of 64121664
- 64121664 squared (641216642) is 4111587794128896
- 64121664 cubed (641216643) is 263641851041634242002944
-
The
square root of 64121664 is 8007.6003896301 -
The
cube root of 64121664 is 400.2533062227
Scales and comparisons
How big is 64121664?- 64,121,664 seconds is equal to 2 years, 2 weeks, 3 hours, 34 minutes, 24 seconds.
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To count from 1 to 64,121,664 would take you about three 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 64121664 cubic inches would be around 33.4 feet tall.
Recreational maths with 64121664
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