161391616000
161,391,616,000 is an even composite number composed of three prime numbers multiplied together.
161391616000 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 161391616000:
213 × 53 × 3972
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 397 × 397)See below for interesting mathematical facts about the number 161391616000 from the Numbermatics database.
Names of 161391616000
- Cardinal: 161391616000 can be written as One hundred sixty-one billion, three hundred ninety-one million, six hundred sixteen thousand.
Scientific notation
- Scientific notation: 1.61391616 × 1011
Factors of 161391616000
Divisors of 161391616000
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 397 400 500 512 640 794 800 1000 1024 1280 1588 1600 1985 2000 2048 2560 3176 3200 3970 4000 4096 5120 6352 6400 7940 8000 8192 9925 10240 12704 12800 15880 16000 19850 20480 25408 25600 31760 32000 39700 40960 49625 50816 51200 63520 64000 79400 99250 101632 102400 127040 128000 157609 158800 198500 203264 204800 254080 256000 315218 317600 397000 406528 508160 512000 630436 635200 788045 794000 813056 1016320 1024000 1260872 1270400 1576090 1588000 1626112 2032640 2521744 2540800 3152180 3176000 3252224 3940225 4065280 5043488 5081600 6304360 6352000 7880450 8130560 10086976 10163200 12608720 12704000 15760900 16261120 19701125 20173952 20326400 25217440 25408000 31521800 39402250 40347904 40652800 50434880 50816000 63043600 78804500 80695808 81305600 100869760 101632000 126087200 157609000 161391616 201739520 203264000 252174400 315218000 322783232 403479040 406528000 504348800 630436000 645566464 806958080 1008697600 1260872000 1291132928 1613916160 2017395200 2521744000 3227832320 4034790400 5043488000 6455664640 8069580800 10086976000 16139161600 20173952000 32278323200 40347904000 80695808000 161391616000
- Sum of all divisors σ(n): 403826074236
- Sum of proper divisors (its aliquot sum) s(n): 242434458236
- 161391616000 is an abundant number, because the sum of its proper divisors (242434458236) is greater than itself. Its abundance is 81042842236
Bases of 161391616000
- Binary: 100101100100111011000010100000000000002
- Hexadecimal: 0x2593B0A000
- Base-36: 2254EFWG
Squares and roots of 161391616000
- 161391616000 squared (1613916160002) is 26047253715091456000000
- 161391616000 cubed (1613916160003) is 4203808369440613671632896000000000
-
The
square root of 161391616000 is 401735.7539477909 -
The
cube root of 161391616000 is 5444.5291001999
Scales and comparisons
How big is 161391616000?- 161,391,616,000 seconds is equal to 5,131 years, 39 weeks, 1 day, 12 hours, 26 minutes, 40 seconds.
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To count from 1 to 161,391,616,000 would take you about ten thousand, two hundred sixty-three 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 161391616000 cubic inches would be around 453.7 feet tall.
Recreational maths with 161391616000
- 161391616000 backwards is 000616193161
- The number of decimal digits it has is: 12
- The sum of 161391616000's digits is 34
- More coming soon!
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