268989440
268,989,440 is an even composite number composed of four prime numbers multiplied together.
268989440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-eight divisors.
Prime factorization of 268989440:
210 × 5 × 107 × 491
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 107 × 491)See below for interesting mathematical facts about the number 268989440 from the Numbermatics database.
Names of 268989440
- Cardinal: 268989440 can be written as Two hundred sixty-eight million, nine hundred eighty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.6898944 × 108
Factors of 268989440
Divisors of 268989440
- Number of divisors d(n): 88
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Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 107 128 160 214 256 320 428 491 512 535 640 856 982 1024 1070 1280 1712 1964 2140 2455 2560 3424 3928 4280 4910 5120 6848 7856 8560 9820 13696 15712 17120 19640 27392 31424 34240 39280 52537 54784 62848 68480 78560 105074 109568 125696 136960 157120 210148 251392 262685 273920 314240 420296 502784 525370 547840 628480 840592 1050740 1256960 1681184 2101480 2513920 3362368 4202960 6724736 8405920 13449472 16811840 26898944 33623680 53797888 67247360 134494720 268989440
- Sum of all divisors σ(n): 652616352
- Sum of proper divisors (its aliquot sum) s(n): 383626912
- 268989440 is an abundant number, because the sum of its proper divisors (383626912) is greater than itself. Its abundance is 114637472
Bases of 268989440
- Binary: 100000000100001110100000000002
- Hexadecimal: 0x10087400
- Base-36: 4G5DKW
Squares and roots of 268989440
- 268989440 squared (2689894402) is 72355318831513600
- 268989440 cubed (2689894403) is 19462816693510297616384000
-
The
square root of 268989440 is 16400.8975364153 -
The
cube root of 268989440 is 645.5230338799
Scales and comparisons
How big is 268989440?- 268,989,440 seconds is equal to 8 years, 28 weeks, 5 days, 7 hours, 17 minutes, 20 seconds.
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To count from 1 to 268,989,440 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 268989440 cubic inches would be around 53.8 feet tall.
Recreational maths with 268989440
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