18139800
18,139,800 is an even composite number composed of five prime numbers multiplied together.
18139800 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 18139800:
23 × 3 × 52 × 72 × 617
(2 × 2 × 2 × 3 × 5 × 5 × 7 × 7 × 617)See below for interesting mathematical facts about the number 18139800 from the Numbermatics database.
Names of 18139800
- Cardinal: 18139800 can be written as Eighteen million, one hundred thirty-nine thousand, eight hundred.
Scientific notation
- Scientific notation: 1.81398 × 107
Factors of 18139800
Divisors of 18139800
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 49 50 56 60 70 75 84 98 100 105 120 140 147 150 168 175 196 200 210 245 280 294 300 350 392 420 490 525 588 600 617 700 735 840 980 1050 1176 1225 1234 1400 1470 1851 1960 2100 2450 2468 2940 3085 3675 3702 4200 4319 4900 4936 5880 6170 7350 7404 8638 9255 9800 12340 12957 14700 14808 15425 17276 18510 21595 24680 25914 29400 30233 30850 34552 37020 43190 46275 51828 60466 61700 64785 74040 86380 90699 92550 103656 107975 120932 123400 129570 151165 172760 181398 185100 215950 241864 259140 302330 323925 362796 370200 431900 453495 518280 604660 647850 725592 755825 863800 906990 1209320 1295700 1511650 1813980 2267475 2591400 3023300 3627960 4534950 6046600 9069900 18139800
- Sum of all divisors σ(n): 65520360
- Sum of proper divisors (its aliquot sum) s(n): 47380560
- 18139800 is an abundant number, because the sum of its proper divisors (47380560) is greater than itself. Its abundance is 29240760
Bases of 18139800
- Binary: 10001010011001010100110002
- Hexadecimal: 0x114CA98
- Base-36: ASSRC
Squares and roots of 18139800
- 18139800 squared (181398002) is 329052344040000
- 18139800 cubed (181398003) is 5968943710416792000000
-
The
square root of 18139800 is 4259.0844086493 -
The
cube root of 18139800 is 262.7508712771
Scales and comparisons
How big is 18139800?- 18,139,800 seconds is equal to 29 weeks, 6 days, 22 hours, 50 minutes.
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To count from 1 to 18,139,800 would take you about forty-four weeks!
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 18139800 cubic inches would be around 21.9 feet tall.
Recreational maths with 18139800
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The information we have on file for 18139800 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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