138626736990
138,626,736,990 is an even composite number composed of seven prime numbers multiplied together.
138626736990 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 138626736990:
2 × 3 × 5 × 7 × 29 × 521 × 43691
See below for interesting mathematical facts about the number 138626736990 from the Numbermatics database.
Names of 138626736990
- Cardinal: 138626736990 can be written as One hundred thirty-eight billion, six hundred twenty-six million, seven hundred thirty-six thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.3862673699 × 1011
Factors of 138626736990
Divisors of 138626736990
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 29 30 35 42 58 70 87 105 145 174 203 210 290 406 435 521 609 870 1015 1042 1218 1563 2030 2605 3045 3126 3647 5210 6090 7294 7815 10941 15109 15630 18235 21882 30218 36470 43691 45327 54705 75545 87382 90654 105763 109410 131073 151090 211526 218455 226635 262146 305837 317289 436910 453270 528815 611674 634578 655365 917511 1057630 1267039 1310730 1529185 1586445 1835022 2534078 3058370 3172890 3801117 4587555 6335195 7602234 8869273 9175110 12670390 17738546 19005585 22763011 26607819 38011170 44346365 45526022 53215638 68289033 88692730 113815055 133039095 136578066 159341077 227630110 266078190 318682154 341445165 478023231 660127319 682890330 796705385 956046462 1320254638 1593410770 1980381957 2390116155 3300636595 3960763914 4620891233 4780232310 6601273190 9241782466 9901909785 13862673699 19803819570 23104456165 27725347398 46208912330 69313368495 138626736990
- Sum of all divisors σ(n): 394108830720
- Sum of proper divisors (its aliquot sum) s(n): 255482093730
- 138626736990 is an abundant number, because the sum of its proper divisors (255482093730) is greater than itself. Its abundance is 116855356740
Bases of 138626736990
- Binary: 100000010001101100110000100011010111102
- Hexadecimal: 0x2046CC235E
- Base-36: 1ROMS2U6
Squares and roots of 138626736990
- 138626736990 squared (1386267369902) is 19217372208494634260100
- 138626736990 cubed (1386267369903) is 2664041602785921107401125951099000
-
The
square root of 138626736990 is 372326.1164490077 -
The
cube root of 138626736990 is 5175.4605235107
Scales and comparisons
How big is 138626736990?- 138,626,736,990 seconds is equal to 4,407 years, 46 weeks, 6 days, 2 hours, 56 minutes, 30 seconds.
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To count from 1 to 138,626,736,990 would take you about eight thousand, eight hundred fifteen 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 138626736990 cubic inches would be around 431.3 feet tall.
Recreational maths with 138626736990
- 138626736990 backwards is 099637626831
- The number of decimal digits it has is: 12
- The sum of 138626736990's digits is 60
- More coming soon!
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