18121108992
18,121,108,992 is an even composite number composed of five prime numbers multiplied together.
18121108992 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 18121108992:
29 × 3 × 7 × 23 × 73277
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 23 × 73277)See below for interesting mathematical facts about the number 18121108992 from the Numbermatics database.
Names of 18121108992
- Cardinal: 18121108992 can be written as Eighteen billion, one hundred twenty-one million, one hundred eight thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 1.8121108992 × 1010
Factors of 18121108992
Divisors of 18121108992
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 56 64 69 84 92 96 112 128 138 161 168 184 192 224 256 276 322 336 368 384 448 483 512 552 644 672 736 768 896 966 1104 1288 1344 1472 1536 1792 1932 2208 2576 2688 2944 3584 3864 4416 5152 5376 5888 7728 8832 10304 10752 11776 15456 17664 20608 30912 35328 41216 61824 73277 82432 123648 146554 219831 247296 293108 439662 512939 586216 879324 1025878 1172432 1538817 1685371 1758648 2051756 2344864 3077634 3370742 3517296 4103512 4689728 5056113 6155268 6741484 7034592 8207024 9379456 10112226 11797597 12310536 13482968 14069184 16414048 18758912 20224452 23595194 24621072 26965936 28138368 32828096 35392791 37517824 40448904 47190388 49242144 53931872 56276736 65656192 70785582 80897808 94380776 98484288 107863744 112553472 131312384 141571164 161795616 188761552 196968576 215727488 262624768 283142328 323591232 377523104 393937152 431454976 566284656 647182464 755046208 787874304 862909952 1132569312 1294364928 1510092416 2265138624 2588729856 3020184832 4530277248 6040369664 9060554496 18121108992
- Sum of all divisors σ(n): 57571886592
- Sum of proper divisors (its aliquot sum) s(n): 39450777600
- 18121108992 is an abundant number, because the sum of its proper divisors (39450777600) is greater than itself. Its abundance is 21329668608
Bases of 18121108992
- Binary: 100001110000001101000101110000000002
- Hexadecimal: 0x4381A2E00
- Base-36: 8BOU96O
Squares and roots of 18121108992
- 18121108992 squared (181211089922) is 328374591099943256064
- 18121108992 cubed (181211089923) is 5950511755525504908151108927488
-
The
square root of 18121108992 is 134614.6685617879 -
The
cube root of 18121108992 is 2626.6059526565
Scales and comparisons
How big is 18121108992?- 18,121,108,992 seconds is equal to 576 years, 10 weeks, 1 day, 1 hour, 23 minutes, 12 seconds.
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To count from 1 to 18,121,108,992 would take you about one thousand, one hundred fifty-two 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 18121108992 cubic inches would be around 218.9 feet tall.
Recreational maths with 18121108992
- 18121108992 backwards is 29980112181
- 18121108992 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18121108992's digits is 42
- More coming soon!
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The information we have on file for 18121108992 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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