138561030
138,561,030 is an even composite number composed of five prime numbers multiplied together.
138561030 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 138561030:
2 × 36 × 5 × 83 × 229
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 83 × 229)See below for interesting mathematical facts about the number 138561030 from the Numbermatics database.
Names of 138561030
- Cardinal: 138561030 can be written as One hundred thirty-eight million, five hundred sixty-one thousand and thirty.
Scientific notation
- Scientific notation: 1.3856103 × 108
Factors of 138561030
Divisors of 138561030
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 45 54 81 83 90 135 162 166 229 243 249 270 405 415 458 486 498 687 729 747 810 830 1145 1215 1245 1374 1458 1494 2061 2241 2290 2430 2490 3435 3645 3735 4122 4482 6183 6723 6870 7290 7470 10305 11205 12366 13446 18549 19007 20169 20610 22410 30915 33615 37098 38014 40338 55647 57021 60507 61830 67230 92745 95035 100845 111294 114042 121014 166941 171063 185490 190070 201690 278235 285105 302535 333882 342126 513189 556470 570210 605070 834705 855315 1026378 1539567 1669410 1710630 2565945 3079134 4618701 5131890 7697835 9237402 13856103 15395670 23093505 27712206 46187010 69280515 138561030
- Sum of all divisors σ(n): 380101680
- Sum of proper divisors (its aliquot sum) s(n): 241540650
- 138561030 is an abundant number, because the sum of its proper divisors (241540650) is greater than itself. Its abundance is 102979620
Bases of 138561030
- Binary: 10000100001001000110000001102
- Hexadecimal: 0x8424606
- Base-36: 2AHUDI
Squares and roots of 138561030
- 138561030 squared (1385610302) is 19199159034660900
- 138561030 cubed (1385610303) is 2660255250976420004727000
-
The
square root of 138561030 is 11771.1949265995 -
The
cube root of 138561030 is 517.4642697449
Scales and comparisons
How big is 138561030?- 138,561,030 seconds is equal to 4 years, 21 weeks, 17 hours, 10 minutes, 30 seconds.
-
To count from 1 to 138,561,030 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 138561030 cubic inches would be around 43.1 feet tall.
Recreational maths with 138561030
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