17991055992
17,991,055,992 is an even composite number composed of six prime numbers multiplied together.
17991055992 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 17991055992:
23 × 3 × 72 × 13 × 683 × 1723
(2 × 2 × 2 × 3 × 7 × 7 × 13 × 683 × 1723)See below for interesting mathematical facts about the number 17991055992 from the Numbermatics database.
Names of 17991055992
- Cardinal: 17991055992 can be written as Seventeen billion, nine hundred ninety-one million, fifty-five thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 1.7991055992 × 1010
Factors of 17991055992
Divisors of 17991055992
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 49 52 56 78 84 91 98 104 147 156 168 182 196 273 294 312 364 392 546 588 637 683 728 1092 1176 1274 1366 1723 1911 2049 2184 2548 2732 3446 3822 4098 4781 5096 5169 5464 6892 7644 8196 8879 9562 10338 12061 13784 14343 15288 16392 17758 19124 20676 22399 24122 26637 28686 33467 35516 36183 38248 41352 44798 48244 53274 57372 62153 66934 67197 71032 72366 84427 89596 96488 100401 106548 114744 124306 133868 134394 144732 156793 168854 179192 186459 200802 213096 248612 253281 267736 268788 289464 313586 337708 372918 401604 435071 470379 497224 506562 537576 627172 675416 745836 803208 870142 940758 1013124 1097551 1176809 1254344 1305213 1491672 1740284 1881516 2026248 2195102 2353618 2610426 3292653 3480568 3530427 3763032 4390204 4707236 5220852 6585306 7060854 8237663 8780408 9414472 10441704 13170612 14121708 15298517 16475326 24712989 26341224 28243416 30597034 32950652 45895551 49425978 57663641 61194068 65901304 91791102 98851956 107089619 115327282 122388136 172990923 183582204 197703912 214179238 230654564 321268857 345981846 367164408 428358476 461309128 642537714 691963692 749627333 856716952 1285075428 1383927384 1499254666 2248881999 2570150856 2998509332 4497763998 5997018664 8995527996 17991055992
- Sum of all divisors σ(n): 56460862080
- Sum of proper divisors (its aliquot sum) s(n): 38469806088
- 17991055992 is an abundant number, because the sum of its proper divisors (38469806088) is greater than itself. Its abundance is 20478750096
Bases of 17991055992
- Binary: 100001100000101100110111010011110002
- Hexadecimal: 0x43059BA78
- Base-36: 89JERNC
Squares and roots of 17991055992
- 17991055992 squared (179910559922) is 323678095707279104064
- 17991055992 cubed (179910559923) is 5823310743253593203187018751488
-
The
square root of 17991055992 is 134130.7421585373 -
The
cube root of 17991055992 is 2620.3072494789
Scales and comparisons
How big is 17991055992?- 17,991,055,992 seconds is equal to 572 years, 3 weeks, 19 hours, 33 minutes, 12 seconds.
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To count from 1 to 17,991,055,992 would take you about one thousand, one hundred forty-four 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 17991055992 cubic inches would be around 218.4 feet tall.
Recreational maths with 17991055992
- 17991055992 backwards is 29955019971
- The number of decimal digits it has is: 11
- The sum of 17991055992's digits is 57
- More coming soon!
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