18198121216
18,198,121,216 is an even composite number composed of four prime numbers multiplied together.
18198121216 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 18198121216:
28 × 112 × 61 × 9631
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 11 × 61 × 9631)See below for interesting mathematical facts about the number 18198121216 from the Numbermatics database.
Names of 18198121216
- Cardinal: 18198121216 can be written as Eighteen billion, one hundred ninety-eight million, one hundred twenty-one thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 1.8198121216 × 1010
Factors of 18198121216
Divisors of 18198121216
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 4 8 11 16 22 32 44 61 64 88 121 122 128 176 242 244 256 352 484 488 671 704 968 976 1342 1408 1936 1952 2684 2816 3872 3904 5368 7381 7744 7808 9631 10736 14762 15488 15616 19262 21472 29524 30976 38524 42944 59048 77048 85888 105941 118096 154096 171776 211882 236192 308192 423764 472384 587491 616384 847528 944768 1165351 1174982 1232768 1695056 1889536 2330702 2349964 2465536 3390112 4661404 4699928 6462401 6780224 9322808 9399856 12924802 13560448 18645616 18799712 25849604 27120896 37291232 37599424 51699208 71086411 74582464 75198848 103398416 142172822 149164928 150397696 206796832 284345644 298329856 413593664 568691288 827187328 1137382576 1654374656 2274765152 4549530304 9099060608 18198121216
- Sum of all divisors σ(n): 40586416192
- Sum of proper divisors (its aliquot sum) s(n): 22388294976
- 18198121216 is an abundant number, because the sum of its proper divisors (22388294976) is greater than itself. Its abundance is 4190173760
Bases of 18198121216
- Binary: 100001111001011000101001011000000002
- Hexadecimal: 0x43CB14B00
- Base-36: 8CYOW74
Squares and roots of 18198121216
- 18198121216 squared (181981212162) is 331171615792229318656
- 18198121216 cubed (181981212163) is 6026701207485569011770978205696
-
The
square root of 18198121216 is 134900.4122158269 -
The
cube root of 18198121216 is 2630.3215987865
Scales and comparisons
How big is 18198121216?- 18,198,121,216 seconds is equal to 578 years, 33 weeks, 3 days, 9 hours, 40 minutes, 16 seconds.
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To count from 1 to 18,198,121,216 would take you about one thousand, one hundred fifty-seven 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 18198121216 cubic inches would be around 219.2 feet tall.
Recreational maths with 18198121216
- 18198121216 backwards is 61212189181
- The number of decimal digits it has is: 11
- The sum of 18198121216's digits is 40
- More coming soon!
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