138749800
138,749,800 is an even composite number composed of six prime numbers multiplied together.
138749800 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138749800:
23 × 52 × 7 × 23 × 31 × 139
(2 × 2 × 2 × 5 × 5 × 7 × 23 × 31 × 139)See below for interesting mathematical facts about the number 138749800 from the Numbermatics database.
Names of 138749800
- Cardinal: 138749800 can be written as One hundred thirty-eight million, seven hundred forty-nine thousand, eight hundred.
Scientific notation
- Scientific notation: 1.387498 × 108
Factors of 138749800
Divisors of 138749800
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 7 8 10 14 20 23 25 28 31 35 40 46 50 56 62 70 92 100 115 124 139 140 155 161 175 184 200 217 230 248 278 280 310 322 350 434 460 556 575 620 644 695 700 713 775 805 868 920 973 1085 1112 1150 1240 1288 1390 1400 1426 1550 1610 1736 1946 2170 2300 2780 2852 3100 3197 3220 3475 3565 3892 4025 4309 4340 4600 4865 4991 5425 5560 5704 6200 6394 6440 6950 7130 7784 8050 8618 8680 9730 9982 10850 12788 13900 14260 15985 16100 17236 17825 19460 19964 21545 21700 22379 24325 24955 25576 27800 28520 30163 31970 32200 34472 35650 38920 39928 43090 43400 44758 48650 49910 60326 63940 71300 79925 86180 89516 97300 99107 99820 107725 111895 120652 124775 127880 142600 150815 159850 172360 179032 194600 198214 199640 215450 223790 241304 249550 301630 319700 396428 430900 447580 495535 499100 559475 603260 639400 693749 754075 792856 861800 895160 991070 998200 1118950 1206520 1387498 1508150 1982140 2237900 2477675 2774996 3016300 3468745 3964280 4475800 4955350 5549992 6032600 6937490 9910700 13874980 17343725 19821400 27749960 34687450 69374900 138749800
- Sum of all divisors σ(n): 399974400
- Sum of proper divisors (its aliquot sum) s(n): 261224600
- 138749800 is an abundant number, because the sum of its proper divisors (261224600) is greater than itself. Its abundance is 122474800
Bases of 138749800
- Binary: 10000100010100100111011010002
- Hexadecimal: 0x8452768
- Base-36: 2ALW14
Squares and roots of 138749800
- 138749800 squared (1387498002) is 19251507000040000
- 138749800 cubed (1387498003) is 2671142745954149992000000
-
The
square root of 138749800 is 11779.2104998595 -
The
cube root of 138749800 is 517.6991539797
Scales and comparisons
How big is 138749800?- 138,749,800 seconds is equal to 4 years, 21 weeks, 2 days, 21 hours, 36 minutes, 40 seconds.
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To count from 1 to 138,749,800 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 138749800 cubic inches would be around 43.1 feet tall.
Recreational maths with 138749800
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