78125664
78,125,664 is an even composite number composed of five prime numbers multiplied together.
78125664 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 78125664:
25 × 3 × 23 × 41 × 863
(2 × 2 × 2 × 2 × 2 × 3 × 23 × 41 × 863)See below for interesting mathematical facts about the number 78125664 from the Numbermatics database.
Names of 78125664
- Cardinal: 78125664 can be written as Seventy-eight million, one hundred twenty-five thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 7.8125664 × 107
Factors of 78125664
Divisors of 78125664
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 8 12 16 23 24 32 41 46 48 69 82 92 96 123 138 164 184 246 276 328 368 492 552 656 736 863 943 984 1104 1312 1726 1886 1968 2208 2589 2829 3452 3772 3936 5178 5658 6904 7544 10356 11316 13808 15088 19849 20712 22632 27616 30176 35383 39698 41424 45264 59547 70766 79396 82848 90528 106149 119094 141532 158792 212298 238188 283064 317584 424596 476376 566128 635168 813809 849192 952752 1132256 1627618 1698384 1905504 2441427 3255236 3396768 4882854 6510472 9765708 13020944 19531416 26041888 39062832 78125664
- Sum of all divisors σ(n): 219469824
- Sum of proper divisors (its aliquot sum) s(n): 141344160
- 78125664 is an abundant number, because the sum of its proper divisors (141344160) is greater than itself. Its abundance is 63218496
Bases of 78125664
- Binary: 1001010100000011010011000002
- Hexadecimal: 0x4A81A60
- Base-36: 1AII5C
Squares and roots of 78125664
- 78125664 squared (781256642) is 6103619375440896
- 78125664 cubed (781256643) is 476849316509585292754944
-
The
square root of 78125664 is 8838.8723262643 -
The
cube root of 78125664 is 427.4951977847
Scales and comparisons
How big is 78125664?- 78,125,664 seconds is equal to 2 years, 25 weeks, 1 day, 5 hours, 34 minutes, 24 seconds.
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To count from 1 to 78,125,664 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 78125664 cubic inches would be around 35.6 feet tall.
Recreational maths with 78125664
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