18004385664
18,004,385,664 is an even composite number composed of five prime numbers multiplied together.
18004385664 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 18004385664:
27 × 32 × 79 × 181 × 1093
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 79 × 181 × 1093)See below for interesting mathematical facts about the number 18004385664 from the Numbermatics database.
Names of 18004385664
- Cardinal: 18004385664 can be written as Eighteen billion, four million, three hundred eighty-five thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 1.8004385664 × 1010
Factors of 18004385664
Divisors of 18004385664
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 79 96 128 144 158 181 192 237 288 316 362 384 474 543 576 632 711 724 948 1086 1093 1152 1264 1422 1448 1629 1896 2172 2186 2528 2844 2896 3258 3279 3792 4344 4372 5056 5688 5792 6516 6558 7584 8688 8744 9837 10112 11376 11584 13032 13116 14299 15168 17376 17488 19674 22752 23168 26064 26232 28598 30336 34752 34976 39348 42897 45504 52128 52464 57196 69504 69952 78696 85794 86347 91008 104256 104928 114392 128691 139904 157392 171588 172694 197833 208512 209856 228784 257382 259041 314784 343176 345388 395666 419712 457568 514764 518082 593499 629568 686352 690776 777123 791332 915136 1029528 1036164 1186998 1259136 1372704 1381552 1554246 1582664 1780497 1830272 2059056 2072328 2373996 2745408 2763104 3108492 3165328 3560994 4118112 4144656 4747992 5490816 5526208 6216984 6330656 7121988 8236224 8289312 9495984 11052416 12433968 12661312 14243976 15628807 16472448 16578624 18991968 24867936 25322624 28487952 31257614 33157248 37983936 46886421 49735872 56975904 62515228 75967872 93772842 99471744 113951808 125030456 140659263 187545684 227903616 250060912 281318526 375091368 500121824 562637052 750182736 1000243648 1125274104 1500365472 2000487296 2250548208 3000730944 4501096416 6001461888 9002192832 18004385664
- Sum of all divisors σ(n): 52803441600
- Sum of proper divisors (its aliquot sum) s(n): 34799055936
- 18004385664 is an abundant number, because the sum of its proper divisors (34799055936) is greater than itself. Its abundance is 16794670272
Bases of 18004385664
- Binary: 100001100010010010100011111100000002
- Hexadecimal: 0x431251F80
- Base-36: 89RCGW0
Squares and roots of 18004385664
- 18004385664 squared (180043856642) is 324157903138048720896
- 18004385664 cubed (180043856643) is 5836263904130985003433479634944
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The
square root of 18004385664 is 134180.4220592557 -
The
cube root of 18004385664 is 2620.9542230577
Scales and comparisons
How big is 18004385664?- 18,004,385,664 seconds is equal to 572 years, 25 weeks, 1 day, 2 hours, 14 minutes, 24 seconds.
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To count from 1 to 18,004,385,664 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 18004385664 cubic inches would be around 218.4 feet tall.
Recreational maths with 18004385664
- 18004385664 backwards is 46658340081
- The number of decimal digits it has is: 11
- The sum of 18004385664's digits is 45
- More coming soon!
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