161389027920
161,389,027,920 is an even composite number composed of five prime numbers multiplied together.
161389027920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 161389027920:
24 × 3 × 5 × 947 × 710089
(2 × 2 × 2 × 2 × 3 × 5 × 947 × 710089)See below for interesting mathematical facts about the number 161389027920 from the Numbermatics database.
Names of 161389027920
- Cardinal: 161389027920 can be written as One hundred sixty-one billion, three hundred eighty-nine million, twenty-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.6138902792 × 1011
Factors of 161389027920
Divisors of 161389027920
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 947 1894 2841 3788 4735 5682 7576 9470 11364 14205 15152 18940 22728 28410 37880 45456 56820 75760 113640 227280 710089 1420178 2130267 2840356 3550445 4260534 5680712 7100890 8521068 10651335 11361424 14201780 17042136 21302670 28403560 34084272 42605340 56807120 85210680 170421360 672454283 1344908566 2017362849 2689817132 3362271415 4034725698 5379634264 6724542830 8069451396 10086814245 10759268528 13449085660 16138902792 20173628490 26898171320 32277805584 40347256980 53796342640 80694513960 161389027920
- Sum of all divisors σ(n): 500834998080
- Sum of proper divisors (its aliquot sum) s(n): 339445970160
- 161389027920 is an abundant number, because the sum of its proper divisors (339445970160) is greater than itself. Its abundance is 178056942240
Bases of 161389027920
- Binary: 100101100100111000100100100010010100002
- Hexadecimal: 0x2593892250
- Base-36: 2252UYXC
Squares and roots of 161389027920
- 161389027920 squared (1613890279202) is 26046418332962539526400
- 161389027920 cubed (1613890279203) is 4203606135554491147940273177088000
-
The
square root of 161389027920 is 401732.5328125667 -
The
cube root of 161389027920 is 5444.4999971761
Scales and comparisons
How big is 161389027920?- 161,389,027,920 seconds is equal to 5,131 years, 34 weeks, 6 days, 13 hours, 32 minutes.
-
To count from 1 to 161,389,027,920 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 161389027920 cubic inches would be around 453.7 feet tall.
Recreational maths with 161389027920
- 161389027920 backwards is 029720983161
- 161389027920 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 161389027920's digits is 48
- More coming soon!
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