139481685
139,481,685 is an odd composite number composed of five prime numbers multiplied together.
139481685 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 139481685:
32 × 5 × 72 × 17 × 612
(3 × 3 × 5 × 7 × 7 × 17 × 61 × 61)See below for interesting mathematical facts about the number 139481685 from the Numbermatics database.
Names of 139481685
- Cardinal: 139481685 can be written as One hundred thirty-nine million, four hundred eighty-one thousand, six hundred eighty-five.
Scientific notation
- Scientific notation: 1.39481685 × 108
Factors of 139481685
Divisors of 139481685
- Number of divisors d(n): 108
-
Complete list of divisors:
1 3 5 7 9 15 17 21 35 45 49 51 61 63 85 105 119 147 153 183 245 255 305 315 357 427 441 549 595 735 765 833 915 1037 1071 1281 1785 2135 2205 2499 2745 2989 3111 3721 3843 4165 5185 5355 6405 7259 7497 8967 9333 11163 12495 14945 15555 18605 19215 21777 26047 26901 33489 36295 37485 44835 46665 50813 55815 63257 65331 78141 108885 130235 134505 152439 167445 182329 189771 234423 254065 316285 326655 390705 442799 457317 546987 569313 762195 911645 948855 1172115 1328397 1640961 2213995 2286585 2734935 2846565 3099593 3985191 6641985 8204805 9298779 15497965 19925955 27896337 46493895 139481685
- Sum of all divisors σ(n): 302745924
- Sum of proper divisors (its aliquot sum) s(n): 163264239
- 139481685 is an abundant number, because the sum of its proper divisors (163264239) is greater than itself. Its abundance is 23782554
Bases of 139481685
- Binary: 10000101000001010010010101012
- Hexadecimal: 0x8505255
- Base-36: 2B1KR9
Squares and roots of 139481685
- 139481685 squared (1394816852) is 19455140450439225
- 139481685 cubed (1394816853) is 2713635771938922093094125
-
The
square root of 139481685 is 11810.2364497921 -
The
cube root of 139481685 is 518.6078207147
Scales and comparisons
How big is 139481685?- 139,481,685 seconds is equal to 4 years, 22 weeks, 4 days, 8 hours, 54 minutes, 45 seconds.
-
To count from 1 to 139,481,685 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 139481685 cubic inches would be around 43.2 feet tall.
Recreational maths with 139481685
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