138985665
138,985,665 is an odd composite number composed of seven prime numbers multiplied together.
What does the number 138985665 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 128 divisors.
138985665 is an odd 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 138985665:
3 × 5 × 7 × 13 × 19 × 23 × 233
See below for interesting mathematical facts about the number 138985665 from the Numbermatics database.
Names of 138985665
- Cardinal: 138985665 can be written as One hundred thirty-eight million, nine hundred eighty-five thousand, six hundred sixty-five.
Scientific notation
- Scientific notation: 1.38985665 × 108
Factors of 138985665
Divisors of 138985665
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 5 7 13 15 19 21 23 35 39 57 65 69 91 95 105 115 133 161 195 233 247 273 285 299 345 399 437 455 483 665 699 741 805 897 1165 1235 1311 1365 1495 1631 1729 1995 2093 2185 2415 3029 3059 3495 3705 4427 4485 4893 5187 5359 5681 6279 6555 8155 8645 9087 9177 10465 13281 15145 15295 16077 17043 21203 22135 24465 25935 26795 28405 30989 31395 37513 39767 45435 45885 57551 63609 66405 69667 80385 85215 92967 101821 106015 112539 119301 154945 172653 187565 198835 209001 287755 305463 318045 348335 402857 464835 487669 509105 562695 596505 712747 863265 1045005 1208571 1323673 1463007 1527315 2014285 2138241 2438345 3563735 3971019 6042855 6618365 7315035 9265711 10691205 19855095 27797133 46328555 138985665
- Sum of all divisors σ(n): 301916160
- Sum of proper divisors (its aliquot sum) s(n): 162930495
- 138985665 is an abundant number, because the sum of its proper divisors (162930495) is greater than itself. Its abundance is 23944830
Bases of 138985665
- Binary: 10000100100011000000110000012
- Hexadecimal: 0x848C0C1
- Base-36: 2AQY0X
Squares and roots of 138985665
- 138985665 squared (1389856652) is 19317015075492225
- 138985665 cubed (1389856653) is 2684788186082312093954625
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The
square root of 138985665 is 11789.2181674611 -
The
cube root of 138985665 is 517.9923387507
Scales and comparisons
How big is 138985665?- 138,985,665 seconds is equal to 4 years, 21 weeks, 5 days, 15 hours, 7 minutes, 45 seconds.
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To count from 1 to 138,985,665 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 138985665 cubic inches would be around 43.2 feet tall.
Recreational maths with 138985665
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The information we have on file for 138985665 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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