18138294432
18,138,294,432 is an even composite number composed of six prime numbers multiplied together.
18138294432 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 18138294432:
25 × 32 × 17 × 31 × 127 × 941
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 17 × 31 × 127 × 941)See below for interesting mathematical facts about the number 18138294432 from the Numbermatics database.
Names of 18138294432
- Cardinal: 18138294432 can be written as Eighteen billion, one hundred thirty-eight million, two hundred ninety-four thousand, four hundred thirty-two.
Scientific notation
- Scientific notation: 1.8138294432 × 1010
Factors of 18138294432
Divisors of 18138294432
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 31 32 34 36 48 51 62 68 72 93 96 102 124 127 136 144 153 186 204 248 254 272 279 288 306 372 381 408 496 508 527 544 558 612 744 762 816 941 992 1016 1054 1116 1143 1224 1488 1524 1581 1632 1882 2032 2108 2159 2232 2286 2448 2823 2976 3048 3162 3764 3937 4064 4216 4318 4464 4572 4743 4896 5646 6096 6324 6477 7528 7874 8432 8469 8636 8928 9144 9486 11292 11811 12192 12648 12954 15056 15748 15997 16864 16938 17272 18288 18972 19431 22584 23622 25296 25908 29171 30112 31496 31994 33876 34544 35433 36576 37944 38862 45168 47244 47991 50592 51816 58342 62992 63988 66929 67752 69088 70866 75888 77724 87513 90336 94488 95982 103632 116684 119507 125984 127976 133858 135504 141732 143973 151776 155448 175026 188976 191964 200787 207264 233368 239014 255952 262539 267716 271008 283464 287946 310896 350052 358521 377952 383928 401574 466736 478028 495907 511904 525078 535432 566928 575892 602361 621792 700104 717042 767856 803148 933472 956056 991814 1050156 1070864 1075563 1133856 1151784 1204722 1400208 1434084 1487721 1535712 1606296 1912112 1983628 2031619 2100312 2141728 2151126 2303568 2409444 2800416 2868168 2975442 3212592 3704717 3824224 3967256 4063238 4200624 4302252 4463163 4607136 4818888 5736336 5950884 6094857 6425184 7409434 7934512 8126476 8401248 8604504 8926326 9637776 11114151 11472672 11901768 12189714 14818868 15869024 16252952 17209008 17852652 18284571 19275552 22228302 23803536 24379428 29637736 32505904 33342453 34418016 35705304 36569142 44456604 47607072 48758856 59275472 62980189 65011808 66684906 71410608 73138284 88913208 97517712 118550944 125960378 133369812 142821216 146276568 177826416 188940567 195035424 251920756 266739624 292553136 355652832 377881134 503841512 533479248 566821701 585106272 755762268 1007683024 1066958496 1133643402 1511524536 2015366048 2267286804 3023049072 4534573608 6046098144 9069147216 18138294432
- Sum of all divisors σ(n): 56881004544
- Sum of proper divisors (its aliquot sum) s(n): 38742710112
- 18138294432 is an abundant number, because the sum of its proper divisors (38742710112) is greater than itself. Its abundance is 20604415680
Bases of 18138294432
- Binary: 100001110010010000001101000101000002
- Hexadecimal: 0x4392068A0
- Base-36: 8BZ2LK0
Squares and roots of 18138294432
- 18138294432 squared (181382944322) is 328997724901922202624
- 18138294432 cubed (181382944323) is 5967457601729203233952074989568
-
The
square root of 18138294432 is 134678.4854087689 -
The
cube root of 18138294432 is 2627.4360180605
Scales and comparisons
How big is 18138294432?- 18,138,294,432 seconds is equal to 576 years, 38 weeks, 3 days, 23 hours, 7 minutes, 12 seconds.
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To count from 1 to 18,138,294,432 would take you about one thousand, one hundred fifty-three 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 18138294432 cubic inches would be around 219 feet tall.
Recreational maths with 18138294432
- 18138294432 backwards is 23449283181
- The number of decimal digits it has is: 11
- The sum of 18138294432's digits is 45
- More coming soon!
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