138878478438
138,878,478,438 is an even composite number composed of seven prime numbers multiplied together.
138878478438 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 138878478438:
2 × 3 × 72 × 19 × 89 × 409 × 683
(2 × 3 × 7 × 7 × 19 × 89 × 409 × 683)See below for interesting mathematical facts about the number 138878478438 from the Numbermatics database.
Names of 138878478438
- Cardinal: 138878478438 can be written as One hundred thirty-eight billion, eight hundred seventy-eight million, four hundred seventy-eight thousand, four hundred thirty-eight.
Scientific notation
- Scientific notation: 1.38878478438 × 1011
Factors of 138878478438
Divisors of 138878478438
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 6 7 14 19 21 38 42 49 57 89 98 114 133 147 178 266 267 294 399 409 534 623 683 798 818 931 1227 1246 1366 1691 1862 1869 2049 2454 2793 2863 3382 3738 4098 4361 4781 5073 5586 5726 7771 8589 8722 9562 10146 11837 12977 13083 14343 15542 17178 20041 23313 23674 25954 26166 28686 33467 35511 36401 38931 40082 46626 54397 60123 60787 66934 71022 72802 77862 82859 90839 100401 108794 109203 120246 121574 163191 165718 181678 182361 200802 218406 248577 254807 272517 279347 326382 364722 380779 425509 497154 509614 545034 558694 635873 691619 761558 764421 838041 851018 1142337 1154953 1271746 1276527 1383238 1528842 1676082 1783649 1907619 1955429 2074857 2284674 2309906 2553054 2978563 3464859 3567298 3815238 3910858 4149714 4841333 5307593 5350947 5866287 5957126 6929718 8084671 8935689 9682666 10615186 10701894 11732574 13688003 14523999 15922779 16169342 17871378 24254013 24861883 27376006 29047998 31845558 33889331 37153151 41064009 48508026 49723766 56592697 67778662 74306302 74585649 82128018 101667993 111459453 113185394 149171298 169778091 174033181 203335986 222918906 260072057 339556182 348066362 472375777 520144114 522099543 780216171 944751554 1044199086 1218232267 1417127331 1560432342 2436464534 2834254662 3306630439 3654696801 6613260878 7309393602 9919891317 19839782634 23146413073 46292826146 69439239219 138878478438
- Sum of all divisors σ(n): 345277728000
- Sum of proper divisors (its aliquot sum) s(n): 206399249562
- 138878478438 is an abundant number, because the sum of its proper divisors (206399249562) is greater than itself. Its abundance is 67520771124
Bases of 138878478438
- Binary: 100000010101011100110101101000011001102
- Hexadecimal: 0x2055CD6866
- Base-36: 1RSSNRS6
Squares and roots of 138878478438
- 138878478438 squared (1388784784382) is 19287231773254030919844
- 138878478438 cubed (1388784784383) is 2678581401950568438198140260323672
-
The
square root of 138878478438 is 372664.0289027101 -
The
cube root of 138878478438 is 5178.5914492579
Scales and comparisons
How big is 138878478438?- 138,878,478,438 seconds is equal to 4,415 years, 47 weeks, 19 hours, 7 minutes, 18 seconds.
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To count from 1 to 138,878,478,438 would take you about eight thousand, eight hundred thirty-one 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 138878478438 cubic inches would be around 431.5 feet tall.
Recreational maths with 138878478438
- 138878478438 backwards is 834874878831
- The number of decimal digits it has is: 12
- The sum of 138878478438's digits is 69
- More coming soon!
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The information we have on file for 138878478438 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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