18011353990
18,011,353,990 is an even composite number composed of six prime numbers multiplied together.
18011353990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 18011353990:
2 × 5 × 7 × 151 × 757 × 2251
See below for interesting mathematical facts about the number 18011353990 from the Numbermatics database.
Names of 18011353990
- Cardinal: 18011353990 can be written as Eighteen billion, eleven million, three hundred fifty-three thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.801135399 × 1010
Factors of 18011353990
Divisors of 18011353990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 7 10 14 35 70 151 302 755 757 1057 1510 1514 2114 2251 3785 4502 5285 5299 7570 10570 10598 11255 15757 22510 26495 31514 52990 78785 114307 157570 228614 339901 571535 679802 800149 1143070 1600298 1699505 1704007 2379307 3399010 3408014 4000745 4758614 8001490 8520035 11896535 11928049 17040070 23793070 23856098 59640245 119280490 257305057 514610114 1286525285 1801135399 2573050570 3602270798 9005676995 18011353990
- Sum of all divisors σ(n): 37363166208
- Sum of proper divisors (its aliquot sum) s(n): 19351812218
- 18011353990 is an abundant number, because the sum of its proper divisors (19351812218) is greater than itself. Its abundance is 1340458228
Bases of 18011353990
- Binary: 100001100011000111101110011100001102
- Hexadecimal: 0x4318F7386
- Base-36: 89VHTOM
Squares and roots of 18011353990
- 18011353990 squared (180113539902) is 324408872553088920100
- 18011353990 cubed (180113539903) is 5843043041050479607867926199000
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The
square root of 18011353990 is 134206.3858018687 -
The
cube root of 18011353990 is 2621.2923130483
Scales and comparisons
How big is 18011353990?- 18,011,353,990 seconds is equal to 572 years, 36 weeks, 4 days, 17 hours, 53 minutes, 10 seconds.
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To count from 1 to 18,011,353,990 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 18011353990 cubic inches would be around 218.4 feet tall.
Recreational maths with 18011353990
- 18011353990 backwards is 09935311081
- The number of decimal digits it has is: 11
- The sum of 18011353990's digits is 40
- More coming soon!
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