138378731508
138,378,731,508 is an even composite number composed of five prime numbers multiplied together.
138378731508 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 138378731508:
22 × 33 × 19 × 2572 × 1021
(2 × 2 × 3 × 3 × 3 × 19 × 257 × 257 × 1021)See below for interesting mathematical facts about the number 138378731508 from the Numbermatics database.
Names of 138378731508
- Cardinal: 138378731508 can be written as One hundred thirty-eight billion, three hundred seventy-eight million, seven hundred thirty-one thousand, five hundred eight.
Scientific notation
- Scientific notation: 1.38378731508 × 1011
Factors of 138378731508
Divisors of 138378731508
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 108 114 171 228 257 342 513 514 684 771 1021 1026 1028 1542 2042 2052 2313 3063 3084 4084 4626 4883 6126 6939 9189 9252 9766 12252 13878 14649 18378 19399 19532 27567 27756 29298 36756 38798 43947 55134 58197 58596 66049 77596 87894 110268 116394 131841 132098 174591 175788 198147 232788 262397 263682 264196 349182 396294 523773 524794 527364 594441 698364 787191 792588 1047546 1049588 1188882 1254931 1574382 1783323 2095092 2361573 2377764 2509862 3148764 3566646 3764793 4723146 4985543 5019724 7084719 7133292 7529586 9446292 9971086 11294379 14169438 14956629 15059172 19942172 22588758 28338876 29913258 33883137 44869887 45177516 59826516 67436029 67766274 89739774 134609661 134872058 135532548 179479548 202308087 269219322 269744116 404616174 538438644 606924261 809232348 1213848522 1281284551 1820772783 2427697044 2562569102 3641545566 3843853653 5125138204 7283091132 7687707306 11531560959 15375414612 23063121918 34594682877 46126243836 69189365754 138378731508
- Sum of all divisors σ(n): 379488222400
- Sum of proper divisors (its aliquot sum) s(n): 241109490892
- 138378731508 is an abundant number, because the sum of its proper divisors (241109490892) is greater than itself. Its abundance is 102730759384
Bases of 138378731508
- Binary: 100000001110000000001111011111111101002
- Hexadecimal: 0x203803DFF4
- Base-36: 1RKJ4GL0
Squares and roots of 138378731508
- 138378731508 squared (1383787315082) is 19148673333763151954064
- 138378731508 cubed (1383787315083) is 2649769125987210475515227805448512
-
The
square root of 138378731508 is 371992.9186261481 -
The
cube root of 138378731508 is 5172.3723535625
Scales and comparisons
How big is 138378731508?- 138,378,731,508 seconds is equal to 4,400 years, 5 days, 16 hours, 31 minutes, 48 seconds.
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To count from 1 to 138,378,731,508 would take you about eight thousand, eight hundred 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 138378731508 cubic inches would be around 431 feet tall.
Recreational maths with 138378731508
- 138378731508 backwards is 805137873831
- 138378731508 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138378731508's digits is 54
- More coming soon!
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