138894750
138,894,750 is an even composite number composed of four prime numbers multiplied together.
138894750 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 138894750:
2 × 34 × 53 × 193
(2 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 19 × 19 × 19)See below for interesting mathematical facts about the number 138894750 from the Numbermatics database.
Names of 138894750
- Cardinal: 138894750 can be written as One hundred thirty-eight million, eight hundred ninety-four thousand, seven hundred fifty.
Scientific notation
- Scientific notation: 1.3889475 × 108
Factors of 138894750
Divisors of 138894750
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 19 25 27 30 38 45 50 54 57 75 81 90 95 114 125 135 150 162 171 190 225 250 270 285 342 361 375 405 450 475 513 570 675 722 750 810 855 950 1026 1083 1125 1350 1425 1539 1710 1805 2025 2166 2250 2375 2565 2850 3078 3249 3375 3610 4050 4275 4750 5130 5415 6498 6750 6859 7125 7695 8550 9025 9747 10125 10830 12825 13718 14250 15390 16245 18050 19494 20250 20577 21375 25650 27075 29241 32490 34295 38475 41154 42750 45125 48735 54150 58482 61731 64125 68590 76950 81225 90250 97470 102885 123462 128250 135375 146205 162450 171475 185193 192375 205770 243675 270750 292410 308655 342950 370386 384750 406125 487350 514425 555579 617310 731025 812250 857375 925965 1028850 1111158 1218375 1462050 1543275 1714750 1851930 2436750 2572125 2777895 3086550 3655125 4629825 5144250 5555790 7310250 7716375 9259650 13889475 15432750 23149125 27778950 46298250 69447375 138894750
- Sum of all divisors σ(n): 409986720
- Sum of proper divisors (its aliquot sum) s(n): 271091970
- 138894750 is an abundant number, because the sum of its proper divisors (271091970) is greater than itself. Its abundance is 132197220
Bases of 138894750
- Binary: 10000100011101011101100111102
- Hexadecimal: 0x8475D9E
- Base-36: 2AOZVI
Squares and roots of 138894750
- 138894750 squared (1388947502) is 19291751577562500
- 138894750 cubed (1388947503) is 2679523012427649046875000
-
The
square root of 138894750 is 11785.3616830373 -
The
cube root of 138894750 is 517.8793689573
Scales and comparisons
How big is 138894750?- 138,894,750 seconds is equal to 4 years, 21 weeks, 4 days, 13 hours, 52 minutes, 30 seconds.
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To count from 1 to 138,894,750 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 138894750 cubic inches would be around 43.2 feet tall.
Recreational maths with 138894750
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