138287500
138,287,500 is an even composite number composed of five prime numbers multiplied together.
138287500 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138287500:
22 × 55 × 13 × 23 × 37
(2 × 2 × 5 × 5 × 5 × 5 × 5 × 13 × 23 × 37)See below for interesting mathematical facts about the number 138287500 from the Numbermatics database.
Names of 138287500
- Cardinal: 138287500 can be written as One hundred thirty-eight million, two hundred eighty-seven thousand, five hundred.
Scientific notation
- Scientific notation: 1.382875 × 108
Factors of 138287500
Divisors of 138287500
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 10 13 20 23 25 26 37 46 50 52 65 74 92 100 115 125 130 148 185 230 250 260 299 325 370 460 481 500 575 598 625 650 740 851 925 962 1150 1196 1250 1300 1495 1625 1702 1850 1924 2300 2405 2500 2875 2990 3125 3250 3404 3700 4255 4625 4810 5750 5980 6250 6500 7475 8125 8510 9250 9620 11063 11500 12025 12500 14375 14950 16250 17020 18500 21275 22126 23125 24050 28750 29900 32500 37375 40625 42550 44252 46250 48100 55315 57500 60125 71875 74750 81250 85100 92500 106375 110630 115625 120250 143750 149500 162500 186875 212750 221260 231250 240500 276575 287500 300625 373750 425500 462500 531875 553150 601250 747500 934375 1063750 1106300 1202500 1382875 1503125 1868750 2127500 2659375 2765750 3006250 3737500 5318750 5531500 6012500 6914375 10637500 13828750 27657500 34571875 69143750 138287500
- Sum of all divisors σ(n): 349102656
- Sum of proper divisors (its aliquot sum) s(n): 210815156
- 138287500 is an abundant number, because the sum of its proper divisors (210815156) is greater than itself. Its abundance is 72527656
Bases of 138287500
- Binary: 10000011111000011001100011002
- Hexadecimal: 0x83E198C
- Base-36: 2ABZBG
Squares and roots of 138287500
- 138287500 squared (1382875002) is 19123432656250000
- 138287500 cubed (1382875003) is 2644531693451171875000000
-
The
square root of 138287500 is 11759.5705703907 -
The
cube root of 138287500 is 517.1235408443
Scales and comparisons
How big is 138287500?- 138,287,500 seconds is equal to 4 years, 20 weeks, 4 days, 13 hours, 11 minutes, 40 seconds.
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To count from 1 to 138,287,500 would take you about six 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 138287500 cubic inches would be around 43.1 feet tall.
Recreational maths with 138287500
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