18013606728
18,013,606,728 is an even composite number composed of six prime numbers multiplied together.
18013606728 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 18013606728:
23 × 3 × 13 × 312 × 73 × 823
(2 × 2 × 2 × 3 × 13 × 31 × 31 × 73 × 823)See below for interesting mathematical facts about the number 18013606728 from the Numbermatics database.
Names of 18013606728
- Cardinal: 18013606728 can be written as Eighteen billion, thirteen million, six hundred six thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.8013606728 × 1010
Factors of 18013606728
Divisors of 18013606728
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 8 12 13 24 26 31 39 52 62 73 78 93 104 124 146 156 186 219 248 292 312 372 403 438 584 744 806 823 876 949 961 1209 1612 1646 1752 1898 1922 2263 2418 2469 2847 2883 3224 3292 3796 3844 4526 4836 4938 5694 5766 6584 6789 7592 7688 9052 9672 9876 10699 11388 11532 12493 13578 18104 19752 21398 22776 23064 24986 25513 27156 29419 32097 37479 42796 49972 51026 54312 58838 60079 64194 70153 74958 76539 85592 88257 99944 102052 117676 120158 128388 140306 149916 153078 176514 180237 204104 210459 235352 240316 256776 280612 299832 306156 331669 353028 360474 420918 480632 561224 612312 663338 706056 720948 781027 790903 841836 911989 995007 1326676 1441896 1562054 1581806 1683672 1823978 1862449 1990014 2343081 2372709 2653352 2735967 3124108 3163612 3647956 3724898 3980028 4686162 4745418 5471934 5587347 6248216 6327224 7295912 7449796 7960056 9372324 9490836 10281739 10943868 11174694 14899592 18744648 18981672 20563478 21887736 22349388 24211837 30845217 41126956 44698776 48423674 57735919 61690434 72635511 82253912 96847348 115471838 123380868 145271022 173207757 193694696 230943676 246761736 290542044 346415514 461887352 581084088 692831028 750566947 1385662056 1501133894 2251700841 3002267788 4503401682 6004535576 9006803364 18013606728
- Sum of all divisors σ(n): 50861301120
- Sum of proper divisors (its aliquot sum) s(n): 32847694392
- 18013606728 is an abundant number, because the sum of its proper divisors (32847694392) is greater than itself. Its abundance is 14834087664
Bases of 18013606728
- Binary: 100001100011011000111010011010010002
- Hexadecimal: 0x431B1D348
- Base-36: 89WU3WO
Squares and roots of 18013606728
- 18013606728 squared (180136067282) is 324490027351046865984
- 18013606728 cubed (180136067283) is 5845235739859721842932696740352
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The
square root of 18013606728 is 134214.7783517149 -
The
cube root of 18013606728 is 2621.4015929807
Scales and comparisons
How big is 18013606728?- 18,013,606,728 seconds is equal to 572 years, 40 weeks, 2 days, 19 hours, 38 minutes, 48 seconds.
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To count from 1 to 18,013,606,728 would take you about one thousand, one hundred forty-five 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 18013606728 cubic inches would be around 218.5 feet tall.
Recreational maths with 18013606728
- 18013606728 backwards is 82760631081
- The number of decimal digits it has is: 11
- The sum of 18013606728's digits is 42
- More coming soon!
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The information we have on file for 18013606728 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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