981055140
981,055,140 is an even composite number composed of six prime numbers multiplied together.
981055140 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 981055140:
22 × 3 × 5 × 132 × 31 × 3121
(2 × 2 × 3 × 5 × 13 × 13 × 31 × 3121)See below for interesting mathematical facts about the number 981055140 from the Numbermatics database.
Names of 981055140
- Cardinal: 981055140 can be written as Nine hundred eighty-one million, fifty-five thousand, one hundred forty.
Scientific notation
- Scientific notation: 9.8105514 × 108
Factors of 981055140
Divisors of 981055140
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 10 12 13 15 20 26 30 31 39 52 60 62 65 78 93 124 130 155 156 169 186 195 260 310 338 372 390 403 465 507 620 676 780 806 845 930 1014 1209 1612 1690 1860 2015 2028 2418 2535 3121 3380 4030 4836 5070 5239 6045 6242 8060 9363 10140 10478 12090 12484 15605 15717 18726 20956 24180 26195 31210 31434 37452 40573 46815 52390 62420 62868 78585 81146 93630 96751 104780 121719 157170 162292 187260 193502 202865 243438 290253 314340 387004 405730 483755 486876 527449 580506 608595 811460 967510 1054898 1161012 1217190 1257763 1451265 1582347 1935020 2109796 2434380 2515526 2637245 2902530 3164694 3773289 5031052 5274490 5805060 6288815 6329388 7546578 7911735 10548980 12577630 15093156 15823470 16350919 18866445 25155260 31646940 32701838 37732890 49052757 65403676 75465780 81754595 98105514 163509190 196211028 245263785 327018380 490527570 981055140
- Sum of all divisors σ(n): 3071448576
- Sum of proper divisors (its aliquot sum) s(n): 2090393436
- 981055140 is an abundant number, because the sum of its proper divisors (2090393436) is greater than itself. Its abundance is 1109338296
Bases of 981055140
- Binary: 1110100111100110110110101001002
- Hexadecimal: 0x3A79B6A4
- Base-36: G83EZO
Squares and roots of 981055140
- 981055140 squared (9810551402) is 962469187720419600
- 981055140 cubed (9810551403) is 944235343704742531536744000
-
The
square root of 981055140 is 31321.7997567189 -
The
cube root of 981055140 is 993.6447429361
Scales and comparisons
How big is 981055140?- 981,055,140 seconds is equal to 31 years, 10 weeks, 19 hours, 19 minutes.
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To count from 1 to 981,055,140 would take you about forty-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 981055140 cubic inches would be around 82.8 feet tall.
Recreational maths with 981055140
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