18138343168
18,138,343,168 is an even composite number composed of five prime numbers multiplied together.
18138343168 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 18138343168:
28 × 11 × 23 × 61 × 4591
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 23 × 61 × 4591)See below for interesting mathematical facts about the number 18138343168 from the Numbermatics database.
Names of 18138343168
- Cardinal: 18138343168 can be written as Eighteen billion, one hundred thirty-eight million, three hundred forty-three thousand, one hundred sixty-eight.
Scientific notation
- Scientific notation: 1.8138343168 × 1010
Factors of 18138343168
Divisors of 18138343168
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 8 11 16 22 23 32 44 46 61 64 88 92 122 128 176 184 244 253 256 352 368 488 506 671 704 736 976 1012 1342 1403 1408 1472 1952 2024 2684 2806 2816 2944 3904 4048 4591 5368 5612 5888 7808 8096 9182 10736 11224 15433 15616 16192 18364 21472 22448 30866 32384 36728 42944 44896 50501 61732 64768 73456 85888 89792 101002 105593 123464 146912 171776 179584 202004 211186 246928 280051 293824 359168 404008 422372 493856 560102 587648 808016 844744 987712 1120204 1161523 1175296 1616032 1689488 1975424 2240408 2323046 3080561 3232064 3378976 3950848 4480816 4646092 6161122 6441173 6464128 6757952 8961632 9292184 12322244 12882346 12928256 13515904 17923264 18584368 24644488 25764692 27031808 35846528 37168736 49288976 51529384 70852903 71693056 74337472 98577952 103058768 141705806 148674944 197155904 206117536 283411612 297349888 394311808 412235072 566823224 788623616 824470144 1133646448 1648940288 2267292896 4534585792 9069171584 18138343168
- Sum of all divisors σ(n): 41899318272
- Sum of proper divisors (its aliquot sum) s(n): 23760975104
- 18138343168 is an abundant number, because the sum of its proper divisors (23760975104) is greater than itself. Its abundance is 5622631936
Bases of 18138343168
- Binary: 100001110010010000100100111000000002
- Hexadecimal: 0x439212700
- Base-36: 8BZ3N5S
Squares and roots of 18138343168
- 18138343168 squared (181383431682) is 328999492880132276224
- 18138343168 cubed (181383431683) is 5967505703957811915383879237632
-
The
square root of 18138343168 is 134678.6663432631 -
The
cube root of 18138343168 is 2627.4383712881
Scales and comparisons
How big is 18138343168?- 18,138,343,168 seconds is equal to 576 years, 38 weeks, 4 days, 12 hours, 39 minutes, 28 seconds.
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To count from 1 to 18,138,343,168 would take you about one thousand, one hundred fifty-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 18138343168 cubic inches would be around 219 feet tall.
Recreational maths with 18138343168
- 18138343168 backwards is 86134383181
- 18138343168 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18138343168's digits is 46
- More coming soon!
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The information we have on file for 18138343168 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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