7997142864
7,997,142,864 is an even composite number composed of five prime numbers multiplied together.
7997142864 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 7997142864:
24 × 3 × 19 × 53 × 165449
(2 × 2 × 2 × 2 × 3 × 19 × 53 × 165449)See below for interesting mathematical facts about the number 7997142864 from the Numbermatics database.
Names of 7997142864
- Cardinal: 7997142864 can be written as Seven billion, nine hundred ninety-seven million, one hundred forty-two thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 7.997142864 × 109
Factors of 7997142864
Divisors of 7997142864
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 12 16 19 24 38 48 53 57 76 106 114 152 159 212 228 304 318 424 456 636 848 912 1007 1272 2014 2544 3021 4028 6042 8056 12084 16112 24168 48336 165449 330898 496347 661796 992694 1323592 1985388 2647184 3143531 3970776 6287062 7941552 8768797 9430593 12574124 17537594 18861186 25148248 26306391 35075188 37722372 50296496 52612782 70150376 75444744 105225564 140300752 150889488 166607143 210451128 333214286 420902256 499821429 666428572 999642858 1332857144 1999285716 2665714288 3998571432 7997142864
- Sum of all divisors σ(n): 22157064000
- Sum of proper divisors (its aliquot sum) s(n): 14159921136
- 7997142864 is an abundant number, because the sum of its proper divisors (14159921136) is greater than itself. Its abundance is 6162778272
Bases of 7997142864
- Binary: 1110111001010101010110111010100002
- Hexadecimal: 0x1DCAAB750
- Base-36: 3O9AIXC
Squares and roots of 7997142864
- 7997142864 squared (79971428642) is 63954293987226122496
- 7997142864 cubed (79971428643) is 511451625782103492673276268544
-
The
square root of 7997142864 is 89426.7457978877 -
The
cube root of 7997142864 is 1999.7618769831
Scales and comparisons
How big is 7997142864?- 7,997,142,864 seconds is equal to 254 years, 14 weeks, 5 days, 12 hours, 34 minutes, 24 seconds.
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To count from 1 to 7,997,142,864 would take you about five hundred eight 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 7997142864 cubic inches would be around 166.6 feet tall.
Recreational maths with 7997142864
- 7997142864 backwards is 4682417997
- 7997142864 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 7997142864's digits is 57
- More coming soon!
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