18940710816
18,940,710,816 is an even composite number composed of five prime numbers multiplied together.
18940710816 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 18940710816:
25 × 35 × 61 × 73 × 547
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 61 × 73 × 547)See below for interesting mathematical facts about the number 18940710816 from the Numbermatics database.
Names of 18940710816
- Cardinal: 18940710816 can be written as Eighteen billion, nine hundred forty million, seven hundred ten thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 1.8940710816 × 1010
Factors of 18940710816
Divisors of 18940710816
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 61 72 73 81 96 108 122 144 146 162 183 216 219 243 244 288 292 324 366 432 438 486 488 547 549 584 648 657 732 864 876 972 976 1094 1098 1168 1296 1314 1464 1641 1647 1752 1944 1952 1971 2188 2196 2336 2592 2628 2928 3282 3294 3504 3888 3942 4376 4392 4453 4923 4941 5256 5856 5913 6564 6588 7008 7776 7884 8752 8784 8906 9846 9882 10512 11826 13128 13176 13359 14769 14823 15768 17504 17568 17739 17812 19692 19764 21024 23652 26256 26352 26718 29538 29646 31536 33367 35478 35624 39384 39528 39931 40077 44307 47304 52512 52704 53436 59076 59292 63072 66734 70956 71248 78768 79056 79862 80154 88614 94608 100101 106872 118152 118584 119793 120231 132921 133468 141912 142496 157536 158112 159724 160308 177228 189216 200202 213744 236304 237168 239586 240462 265842 266936 283824 300303 319448 320616 354456 359379 360693 400404 427488 472608 474336 479172 480924 531684 533872 567648 600606 638896 641232 708912 718758 721386 800808 900909 958344 961848 1063368 1067744 1078137 1082079 1201212 1277792 1282464 1417824 1437516 1442772 1601616 1801818 1916688 1923696 2126736 2156274 2164158 2402424 2435791 2702727 2875032 2885544 3203232 3234411 3603636 3833376 3847392 4253472 4312548 4328316 4804848 4871582 5405454 5750064 5771088 6468822 7207272 7307373 8108181 8625096 8656632 9609696 9703233 9743164 10810908 11500128 11542176 12937644 14414544 14614746 16216362 17250192 17313264 19406466 19486328 21621816 21922119 25875288 28829088 29229492 32432724 34500384 34626528 38812932 38972656 43243632 43844238 51750576 58458984 64865448 65766357 77625864 77945312 86487264 87688476 103501152 116917968 129730896 131532714 155251728 175376952 197299071 233835936 259461792 263065428 310503456 350753904 394598142 526130856 591897213 701507808 789196284 1052261712 1183794426 1578392568 2104523424 2367588852 3156785136 4735177704 6313570272 9470355408 18940710816
- Sum of all divisors σ(n): 57656184768
- Sum of proper divisors (its aliquot sum) s(n): 38715473952
- 18940710816 is an abundant number, because the sum of its proper divisors (38715473952) is greater than itself. Its abundance is 19774763136
Bases of 18940710816
- Binary: 100011010001111010001001111101000002
- Hexadecimal: 0x468F44FA0
- Base-36: 8P8T600
Squares and roots of 18940710816
- 18940710816 squared (189407108162) is 358750526215339385856
- 18940710816 cubed (189407108163) is 6794989972132570250793536618496
-
The
square root of 18940710816 is 137625.2550079381 -
The
cube root of 18940710816 is 2665.6231890139
Scales and comparisons
How big is 18940710816?- 18,940,710,816 seconds is equal to 602 years, 13 weeks, 2 days, 4 hours, 33 minutes, 36 seconds.
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To count from 1 to 18,940,710,816 would take you about one thousand, two hundred 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 18940710816 cubic inches would be around 222.1 feet tall.
Recreational maths with 18940710816
- 18940710816 backwards is 61801704981
- The number of decimal digits it has is: 11
- The sum of 18940710816's digits is 45
- More coming soon!
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