139085940
139,085,940 is an even composite number composed of six prime numbers multiplied together.
139085940 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 139085940:
22 × 3 × 5 × 7 × 412 × 197
(2 × 2 × 3 × 5 × 7 × 41 × 41 × 197)See below for interesting mathematical facts about the number 139085940 from the Numbermatics database.
Names of 139085940
- Cardinal: 139085940 can be written as One hundred thirty-nine million, eighty-five thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.3908594 × 108
Factors of 139085940
Divisors of 139085940
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 41 42 60 70 82 84 105 123 140 164 197 205 210 246 287 394 410 420 492 574 591 615 788 820 861 985 1148 1182 1230 1379 1435 1681 1722 1970 2364 2460 2758 2870 2955 3362 3444 3940 4137 4305 5043 5516 5740 5910 6724 6895 8077 8274 8405 8610 10086 11767 11820 13790 16154 16548 16810 17220 20172 20685 23534 24231 25215 27580 32308 33620 35301 40385 41370 47068 48462 50430 56539 58835 70602 80770 82740 96924 100860 113078 117670 121155 141204 161540 169617 176505 226156 235340 242310 282695 331157 339234 353010 484620 565390 662314 678468 706020 848085 993471 1130780 1324628 1655785 1696170 1986942 2318099 3311570 3392340 3973884 4636198 4967355 6623140 6954297 9272396 9934710 11590495 13908594 19869420 23180990 27817188 34771485 46361980 69542970 139085940
- Sum of all divisors σ(n): 458510976
- Sum of proper divisors (its aliquot sum) s(n): 319425036
- 139085940 is an abundant number, because the sum of its proper divisors (319425036) is greater than itself. Its abundance is 180339096
Bases of 139085940
- Binary: 10000100101001001000011101002
- Hexadecimal: 0x84A4874
- Base-36: 2AT3EC
Squares and roots of 139085940
- 139085940 squared (1390859402) is 19344898705683600
- 139085940 cubed (1390859403) is 2690603420684786848584000
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The
square root of 139085940 is 11793.4702272061 -
The
cube root of 139085940 is 518.1168820389
Scales and comparisons
How big is 139085940?- 139,085,940 seconds is equal to 4 years, 21 weeks, 6 days, 18 hours, 59 minutes.
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To count from 1 to 139,085,940 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 139085940 cubic inches would be around 43.2 feet tall.
Recreational maths with 139085940
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