138102489
138,102,489 is an odd composite number composed of four prime numbers multiplied together.
138102489 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138102489:
38 × 7 × 31 × 97
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 31 × 97)See below for interesting mathematical facts about the number 138102489 from the Numbermatics database.
Names of 138102489
- Cardinal: 138102489 can be written as One hundred thirty-eight million, one hundred two thousand, four hundred eighty-nine.
Scientific notation
- Scientific notation: 1.38102489 × 108
Factors of 138102489
Divisors of 138102489
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 7 9 21 27 31 63 81 93 97 189 217 243 279 291 567 651 679 729 837 873 1701 1953 2037 2187 2511 2619 3007 5103 5859 6111 6561 7533 7857 9021 15309 17577 18333 21049 22599 23571 27063 45927 52731 54999 63147 67797 70713 81189 158193 164997 189441 203391 212139 243567 474579 494991 568323 636417 730701 1423737 1484973 1704969 2192103 4454919 5114907 6576309 15344721 19728927 46034163 138102489
- Sum of all divisors σ(n): 246891008
- Sum of proper divisors (its aliquot sum) s(n): 108788519
- 138102489 is a deficient number, because the sum of its proper divisors (108788519) is less than itself. Its deficiency is 29313970
Bases of 138102489
- Binary: 10000011101101000110110110012
- Hexadecimal: 0x83B46D9
- Base-36: 2A80K9
Squares and roots of 138102489
- 138102489 squared (1381024892) is 19072297467995121
- 138102489 cubed (1381024893) is 2633931751278524049956169
-
The
square root of 138102489 is 11751.7015363733 -
The
cube root of 138102489 is 516.8928228559
Scales and comparisons
How big is 138102489?- 138,102,489 seconds is equal to 4 years, 20 weeks, 2 days, 9 hours, 48 minutes, 9 seconds.
-
To count from 1 to 138,102,489 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 138102489 cubic inches would be around 43.1 feet tall.
Recreational maths with 138102489
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