640086016
640,086,016 is an even composite number composed of three prime numbers multiplied together.
640086016 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of seventy-eight divisors.
Prime factorization of 640086016:
212 × 31 × 712
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 31 × 71 × 71)See below for interesting mathematical facts about the number 640086016 from the Numbermatics database.
Names of 640086016
- Cardinal: 640086016 can be written as Six hundred forty million, eighty-six thousand and sixteen.
Scientific notation
- Scientific notation: 6.40086016 × 108
Factors of 640086016
Divisors of 640086016
- Number of divisors d(n): 78
-
Complete list of divisors:
1 2 4 8 16 31 32 62 64 71 124 128 142 248 256 284 496 512 568 992 1024 1136 1984 2048 2201 2272 3968 4096 4402 4544 5041 7936 8804 9088 10082 15872 17608 18176 20164 31744 35216 36352 40328 63488 70432 72704 80656 126976 140864 145408 156271 161312 281728 290816 312542 322624 563456 625084 645248 1126912 1250168 1290496 2253824 2500336 2580992 4507648 5000672 5161984 9015296 10001344 10323968 20002688 20647936 40005376 80010752 160021504 320043008 640086016
- Sum of all divisors σ(n): 1340178656
- Sum of proper divisors (its aliquot sum) s(n): 700092640
- 640086016 is an abundant number, because the sum of its proper divisors (700092640) is greater than itself. Its abundance is 60006624
Bases of 640086016
- Binary: 1001100010011011110000000000002
- Hexadecimal: 0x2626F000
- Base-36: AL39J4
Squares and roots of 640086016
- 640086016 squared (6400860162) is 409710107878752256
- 640086016 cubed (6400860163) is 262249710667040742594052096
-
The
square root of 640086016 is 25299.9212646997 -
The
cube root of 640086016 is 861.8124817529
Scales and comparisons
How big is 640086016?- 640,086,016 seconds is equal to 20 years, 18 weeks, 2 days, 9 hours, 40 minutes, 16 seconds.
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To count from 1 to 640,086,016 would take you about thirty 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 640086016 cubic inches would be around 71.8 feet tall.
Recreational maths with 640086016
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