664013988
664,013,988 is an even composite number composed of five prime numbers multiplied together.
664013988 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 664013988:
22 × 32 × 11 × 37 × 45319
(2 × 2 × 3 × 3 × 11 × 37 × 45319)See below for interesting mathematical facts about the number 664013988 from the Numbermatics database.
Names of 664013988
- Cardinal: 664013988 can be written as Six hundred sixty-four million, thirteen thousand, nine hundred eighty-eight.
Scientific notation
- Scientific notation: 6.64013988 × 108
Factors of 664013988
Divisors of 664013988
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 9 11 12 18 22 33 36 37 44 66 74 99 111 132 148 198 222 333 396 407 444 666 814 1221 1332 1628 2442 3663 4884 7326 14652 45319 90638 135957 181276 271914 407871 498509 543828 815742 997018 1495527 1631484 1676803 1994036 2991054 3353606 4486581 5030409 5982108 6707212 8973162 10060818 15091227 17946324 18444833 20121636 30182454 36889666 55334499 60364908 73779332 110668998 166003497 221337996 332006994 664013988
- Sum of all divisors σ(n): 1880598720
- Sum of proper divisors (its aliquot sum) s(n): 1216584732
- 664013988 is an abundant number, because the sum of its proper divisors (1216584732) is greater than itself. Its abundance is 552570744
Bases of 664013988
- Binary: 1001111001010000001100101001002
- Hexadecimal: 0x27940CA4
- Base-36: AZC4H0
Squares and roots of 664013988
- 664013988 squared (6640139882) is 440914576259664144
- 664013988 cubed (6640139883) is 292773446149509711798046272
-
The
square root of 664013988 is 25768.4688718597 -
The
cube root of 664013988 is 872.4202604171
Scales and comparisons
How big is 664013988?- 664,013,988 seconds is equal to 21 years, 5 weeks, 6 days, 8 hours, 19 minutes, 48 seconds.
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To count from 1 to 664,013,988 would take you about thirty-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 664013988 cubic inches would be around 72.7 feet tall.
Recreational maths with 664013988
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