161413720
161,413,720 is an even composite number composed of six prime numbers multiplied together.
161413720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 161413720:
23 × 5 × 13 × 41 × 67 × 113
(2 × 2 × 2 × 5 × 13 × 41 × 67 × 113)See below for interesting mathematical facts about the number 161413720 from the Numbermatics database.
Names of 161413720
- Cardinal: 161413720 can be written as One hundred sixty-one million, four hundred thirteen thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.6141372 × 108
Factors of 161413720
Divisors of 161413720
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 13 20 26 40 41 52 65 67 82 104 113 130 134 164 205 226 260 268 328 335 410 452 520 533 536 565 670 820 871 904 1066 1130 1340 1469 1640 1742 2132 2260 2665 2680 2747 2938 3484 4264 4355 4520 4633 5330 5494 5876 6968 7345 7571 8710 9266 10660 10988 11752 13735 14690 15142 17420 18532 21320 21976 23165 27470 29380 30284 34840 35711 37064 37855 46330 54940 58760 60229 60568 71422 75710 92660 98423 109880 120458 142844 151420 178555 185320 196846 240916 285688 301145 302840 310411 357110 393692 481832 492115 602290 620822 714220 787384 984230 1204580 1241644 1428440 1552055 1968460 2409160 2483288 3104110 3936920 4035343 6208220 8070686 12416440 16141372 20176715 32282744 40353430 80706860 161413720
- Sum of all divisors σ(n): 410235840
- Sum of proper divisors (its aliquot sum) s(n): 248822120
- 161413720 is an abundant number, because the sum of its proper divisors (248822120) is greater than itself. Its abundance is 87408400
Bases of 161413720
- Binary: 10011001111011111010010110002
- Hexadecimal: 0x99EFA58
- Base-36: 2O3NMG
Squares and roots of 161413720
- 161413720 squared (1614137202) is 26054389004238400
- 161413720 cubed (1614137203) is 4205535851501215910848000
-
The
square root of 161413720 is 12704.8699324313 -
The
cube root of 161413720 is 544.4777647557
Scales and comparisons
How big is 161413720?- 161,413,720 seconds is equal to 5 years, 6 weeks, 6 days, 5 hours, 8 minutes, 40 seconds.
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To count from 1 to 161,413,720 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 161413720 cubic inches would be around 45.4 feet tall.
Recreational maths with 161413720
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