68312790
68,312,790 is an even composite number composed of seven prime numbers multiplied together.
68312790 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 68312790:
2 × 32 × 5 × 7 × 13 × 19 × 439
(2 × 3 × 3 × 5 × 7 × 13 × 19 × 439)See below for interesting mathematical facts about the number 68312790 from the Numbermatics database.
Names of 68312790
- Cardinal: 68312790 can be written as Sixty-eight million, three hundred twelve thousand, seven hundred ninety.
Scientific notation
- Scientific notation: 6.831279 × 107
Factors of 68312790
Divisors of 68312790
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 5 6 7 9 10 13 14 15 18 19 21 26 30 35 38 39 42 45 57 63 65 70 78 90 91 95 105 114 117 126 130 133 171 182 190 195 210 234 247 266 273 285 315 342 390 399 439 455 494 546 570 585 630 665 741 798 819 855 878 910 1170 1197 1235 1317 1330 1365 1482 1638 1710 1729 1995 2195 2223 2394 2470 2634 2730 3073 3458 3705 3951 3990 4095 4390 4446 5187 5707 5985 6146 6585 7410 7902 8190 8341 8645 9219 10374 11115 11414 11970 13170 15365 15561 16682 17121 17290 18438 19755 22230 25023 25935 27657 28535 30730 31122 34242 39510 39949 41705 46095 50046 51363 51870 55314 57070 58387 75069 77805 79898 83410 85605 92190 102726 108433 116774 119847 125115 138285 150138 155610 171210 175161 199745 216866 239694 250230 256815 276570 291935 325299 350322 359541 375345 399490 513630 525483 542165 583870 599235 650598 719082 750690 759031 875805 975897 1050966 1084330 1198470 1518062 1626495 1751610 1797705 1951794 2277093 2627415 3252990 3595410 3795155 4554186 4879485 5254830 6831279 7590310 9758970 11385465 13662558 22770930 34156395 68312790
- Sum of all divisors σ(n): 230630400
- Sum of proper divisors (its aliquot sum) s(n): 162317610
- 68312790 is an abundant number, because the sum of its proper divisors (162317610) is greater than itself. Its abundance is 94004820
Bases of 68312790
- Binary: 1000001001001011110110101102
- Hexadecimal: 0x4125ED6
- Base-36: 14O6HI
Squares and roots of 68312790
- 68312790 squared (683127902) is 4666637277584100
- 68312790 cubed (683127903) is 318791012349774330639000
-
The
square root of 68312790 is 8265.1551709571 -
The
cube root of 68312790 is 408.7903868293
Scales and comparisons
How big is 68312790?- 68,312,790 seconds is equal to 2 years, 8 weeks, 6 days, 15 hours, 46 minutes, 30 seconds.
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To count from 1 to 68,312,790 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 68312790 cubic inches would be around 34.1 feet tall.
Recreational maths with 68312790
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