64138800
64,138,800 is an even composite number composed of six prime numbers multiplied together.
64138800 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 64138800:
24 × 3 × 52 × 11 × 43 × 113
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 11 × 43 × 113)See below for interesting mathematical facts about the number 64138800 from the Numbermatics database.
Names of 64138800
- Cardinal: 64138800 can be written as Sixty-four million, one hundred thirty-eight thousand, eight hundred.
Scientific notation
- Scientific notation: 6.41388 × 107
Factors of 64138800
Divisors of 64138800
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 33 40 43 44 48 50 55 60 66 75 80 86 88 100 110 113 120 129 132 150 165 172 176 200 215 220 226 240 258 264 275 300 330 339 344 400 430 440 452 473 516 528 550 565 600 645 660 678 688 825 860 880 904 946 1032 1075 1100 1130 1200 1243 1290 1320 1356 1419 1650 1695 1720 1808 1892 2064 2150 2200 2260 2365 2486 2580 2640 2712 2825 2838 3225 3300 3390 3440 3729 3784 4300 4400 4520 4730 4859 4972 5160 5424 5650 5676 6215 6450 6600 6780 7095 7458 7568 8475 8600 9040 9460 9718 9944 10320 11300 11352 11825 12430 12900 13200 13560 14190 14577 14916 16950 17200 18645 18920 19436 19888 22600 22704 23650 24295 24860 25800 27120 28380 29154 29832 31075 33900 35475 37290 37840 38872 45200 47300 48590 49720 51600 53449 56760 58308 59664 62150 67800 70950 72885 74580 77744 93225 94600 97180 99440 106898 113520 116616 121475 124300 135600 141900 145770 149160 160347 186450 189200 194360 213796 233232 242950 248600 267245 283800 291540 298320 320694 364425 372900 388720 427592 485900 497200 534490 567600 583080 641388 728850 745800 801735 855184 971800 1068980 1166160 1282776 1336225 1457700 1491600 1603470 1943600 2137960 2565552 2672450 2915400 3206940 4008675 4275920 5344900 5830800 6413880 8017350 10689800 12827760 16034700 21379600 32069400 64138800
- Sum of all divisors σ(n): 231378048
- Sum of proper divisors (its aliquot sum) s(n): 167239248
- 64138800 is an abundant number, because the sum of its proper divisors (167239248) is greater than itself. Its abundance is 103100448
Bases of 64138800
- Binary: 111101001010101110001100002
- Hexadecimal: 0x3D2AE30
- Base-36: 126PTC
Squares and roots of 64138800
- 64138800 squared (641388002) is 4113785665440000
- 64138800 cubed (641388003) is 263853276038523072000000
-
The
square root of 64138800 is 8008.6703016169 -
The
cube root of 64138800 is 400.2889578747
Scales and comparisons
How big is 64138800?- 64,138,800 seconds is equal to 2 years, 2 weeks, 8 hours, 20 minutes.
-
To count from 1 to 64,138,800 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 64138800 cubic inches would be around 33.4 feet tall.
Recreational maths with 64138800
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