138570740
138,570,740 is an even composite number composed of seven prime numbers multiplied together.
138570740 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138570740:
22 × 5 × 7 × 11 × 17 × 67 × 79
(2 × 2 × 5 × 7 × 11 × 17 × 67 × 79)See below for interesting mathematical facts about the number 138570740 from the Numbermatics database.
Names of 138570740
- Cardinal: 138570740 can be written as One hundred thirty-eight million, five hundred seventy thousand, seven hundred forty.
Scientific notation
- Scientific notation: 1.3857074 × 108
Factors of 138570740
Divisors of 138570740
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 7 10 11 14 17 20 22 28 34 35 44 55 67 68 70 77 79 85 110 119 134 140 154 158 170 187 220 238 268 308 316 335 340 374 385 395 469 476 553 595 670 737 748 770 790 869 935 938 1106 1139 1190 1309 1340 1343 1474 1540 1580 1738 1870 1876 2212 2278 2345 2380 2618 2686 2765 2948 3476 3685 3740 4345 4556 4690 5159 5236 5293 5372 5530 5695 6083 6545 6715 7370 7973 8690 9380 9401 10318 10586 11060 11390 12166 12529 13090 13430 14740 14773 15946 17380 18802 20636 21172 22780 24332 25058 25795 26180 26465 26860 29546 30415 31892 37051 37604 39865 47005 50116 51590 52930 58223 59092 60830 62645 73865 74102 79730 87703 89981 94010 103180 103411 105860 116446 121660 125290 147730 148204 159460 175406 179962 185255 188020 206822 232892 250580 291115 295460 350812 359924 370510 407561 413644 438515 449905 517055 582230 629867 741020 815122 877030 899810 989791 1034110 1164460 1259734 1630244 1754060 1799620 1979582 2037805 2068220 2519468 3149335 3959164 4075610 4948955 6298670 6928537 8151220 9897910 12597340 13857074 19795820 27714148 34642685 69285370 138570740
- Sum of all divisors σ(n): 394813440
- Sum of proper divisors (its aliquot sum) s(n): 256242700
- 138570740 is an abundant number, because the sum of its proper divisors (256242700) is greater than itself. Its abundance is 117671960
Bases of 138570740
- Binary: 10000100001001101011111101002
- Hexadecimal: 0x8426BF4
- Base-36: 2AI1V8
Squares and roots of 138570740
- 138570740 squared (1385707402) is 19201849984147600
- 138570740 cubed (1385707403) is 2660814561672321201224000
-
The
square root of 138570740 is 11771.6073668807 -
The
cube root of 138570740 is 517.4763569837
Scales and comparisons
How big is 138570740?- 138,570,740 seconds is equal to 4 years, 21 weeks, 19 hours, 52 minutes, 20 seconds.
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To count from 1 to 138,570,740 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 138570740 cubic inches would be around 43.1 feet tall.
Recreational maths with 138570740
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