268964990
268,964,990 is an even composite number composed of seven prime numbers multiplied together.
268964990 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 268964990:
2 × 5 × 7 × 17 × 23 × 31 × 317
See below for interesting mathematical facts about the number 268964990 from the Numbermatics database.
Names of 268964990
- Cardinal: 268964990 can be written as Two hundred sixty-eight million, nine hundred sixty-four thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.6896499 × 108
Factors of 268964990
Divisors of 268964990
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 5 7 10 14 17 23 31 34 35 46 62 70 85 115 119 155 161 170 217 230 238 310 317 322 391 434 527 595 634 713 782 805 1054 1085 1190 1426 1585 1610 1955 2170 2219 2635 2737 3170 3565 3689 3910 4438 4991 5270 5389 5474 7130 7291 7378 9827 9982 10778 11095 12121 13685 14582 18445 19654 22190 24242 24955 26945 27370 36455 36890 37723 49135 49910 51037 53890 60605 68789 72910 75446 84847 98270 102074 121210 123947 137578 167059 169694 188615 226021 247894 255185 334118 343945 377230 424235 452042 510370 619735 687890 835295 848470 867629 1130105 1169413 1239470 1582147 1670590 1735258 2260210 2338826 3164294 3842357 4338145 5847065 7684714 7910735 8676290 11694130 15821470 19211785 26896499 38423570 53792998 134482495 268964990
- Sum of all divisors σ(n): 633028608
- Sum of proper divisors (its aliquot sum) s(n): 364063618
- 268964990 is an abundant number, because the sum of its proper divisors (364063618) is greater than itself. Its abundance is 95098628
Bases of 268964990
- Binary: 100000000100000010100011111102
- Hexadecimal: 0x1008147E
- Base-36: 4G4UPQ
Squares and roots of 268964990
- 268964990 squared (2689649902) is 72342165845700100
- 268964990 cubed (2689649903) is 19457509913267068939499000
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The
square root of 268964990 is 16400.1521334409 -
The
cube root of 268964990 is 645.5034748515
Scales and comparisons
How big is 268964990?- 268,964,990 seconds is equal to 8 years, 28 weeks, 5 days, 29 minutes, 50 seconds.
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To count from 1 to 268,964,990 would take you about twelve 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 268964990 cubic inches would be around 53.8 feet tall.
Recreational maths with 268964990
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