85139910
85,139,910 is an even composite number composed of five prime numbers multiplied together.
85139910 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 85139910:
2 × 37 × 5 × 17 × 229
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 17 × 229)See below for interesting mathematical facts about the number 85139910 from the Numbermatics database.
Names of 85139910
- Cardinal: 85139910 can be written as Eighty-five million, one hundred thirty-nine thousand, nine hundred ten.
Scientific notation
- Scientific notation: 8.513991 × 107
Factors of 85139910
Divisors of 85139910
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 81 85 90 102 135 153 162 170 229 243 255 270 306 405 458 459 486 510 687 729 765 810 918 1145 1215 1374 1377 1458 1530 2061 2187 2290 2295 2430 2754 3435 3645 3893 4122 4131 4374 4590 6183 6870 6885 7290 7786 8262 10305 10935 11679 12366 12393 13770 18549 19465 20610 20655 21870 23358 24786 30915 35037 37098 37179 38930 41310 55647 58395 61830 61965 70074 74358 92745 105111 111294 116790 123930 166941 175185 185490 185895 210222 278235 315333 333882 350370 371790 500823 525555 556470 630666 834705 945999 1001646 1051110 1576665 1669410 1891998 2504115 2837997 3153330 4729995 5008230 5675994 8513991 9459990 14189985 17027982 28379970 42569955 85139910
- Sum of all divisors σ(n): 244425600
- Sum of proper divisors (its aliquot sum) s(n): 159285690
- 85139910 is an abundant number, because the sum of its proper divisors (159285690) is greater than itself. Its abundance is 74145780
Bases of 85139910
- Binary: 1010001001100100001110001102
- Hexadecimal: 0x51321C6
- Base-36: 1EOUDI
Squares and roots of 85139910
- 85139910 squared (851399102) is 7248804274808100
- 85139910 cubed (851399103) is 617162543564776901271000
-
The
square root of 85139910 is 9227.1290226159 -
The
cube root of 85139910 is 439.9240743647
Scales and comparisons
How big is 85139910?- 85,139,910 seconds is equal to 2 years, 36 weeks, 5 days, 9 hours, 58 minutes, 30 seconds.
-
To count from 1 to 85,139,910 would take you about four 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 85139910 cubic inches would be around 36.7 feet tall.
Recreational maths with 85139910
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