161082090
161,082,090 is an even composite number composed of six prime numbers multiplied together.
161082090 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 161082090:
2 × 32 × 5 × 13 × 37 × 612
(2 × 3 × 3 × 5 × 13 × 37 × 61 × 61)See below for interesting mathematical facts about the number 161082090 from the Numbermatics database.
Names of 161082090
- Cardinal: 161082090 can be written as One hundred sixty-one million, eighty-two thousand and ninety.
Scientific notation
- Scientific notation: 1.6108209 × 108
Factors of 161082090
Divisors of 161082090
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 30 37 39 45 61 65 74 78 90 111 117 122 130 183 185 195 222 234 305 333 366 370 390 481 549 555 585 610 666 793 915 962 1098 1110 1170 1443 1586 1665 1830 2257 2379 2405 2745 2886 3330 3721 3965 4329 4514 4758 4810 5490 6771 7137 7215 7442 7930 8658 11163 11285 11895 13542 14274 14430 18605 20313 21645 22326 22570 23790 29341 33489 33855 35685 37210 40626 43290 48373 55815 58682 66978 67710 71370 88023 96746 101565 111630 137677 145119 146705 167445 176046 203130 241865 264069 275354 290238 293410 334890 413031 435357 440115 483730 528138 688385 725595 826062 870714 880230 1239093 1320345 1376770 1451190 1789801 2065155 2176785 2478186 2640690 3579602 4130310 4353570 5369403 6195465 8949005 10738806 12390930 16108209 17898010 26847015 32216418 53694030 80541045 161082090
- Sum of all divisors σ(n): 470938104
- Sum of proper divisors (its aliquot sum) s(n): 309856014
- 161082090 is an abundant number, because the sum of its proper divisors (309856014) is greater than itself. Its abundance is 148773924
Bases of 161082090
- Binary: 10011001100111101010111010102
- Hexadecimal: 0x999EAEA
- Base-36: 2NWJQI
Squares and roots of 161082090
- 161082090 squared (1610820902) is 25947439718768100
- 161082090 cubed (1610820903) is 4179667820048177773329000
-
The
square root of 161082090 is 12691.8119273805 -
The
cube root of 161082090 is 544.1046263761
Scales and comparisons
How big is 161082090?- 161,082,090 seconds is equal to 5 years, 6 weeks, 2 days, 9 hours, 1 minute, 30 seconds.
-
To count from 1 to 161,082,090 would take you about seven 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 161082090 cubic inches would be around 45.3 feet tall.
Recreational maths with 161082090
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