16991387392
16,991,387,392 is an even composite number composed of five prime numbers multiplied together.
16991387392 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 16991387392:
28 × 72 × 172 × 43 × 109
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 17 × 17 × 43 × 109)See below for interesting mathematical facts about the number 16991387392 from the Numbermatics database.
Names of 16991387392
- Cardinal: 16991387392 can be written as Sixteen billion, nine hundred ninety-one million, three hundred eighty-seven thousand, three hundred ninety-two.
Scientific notation
- Scientific notation: 1.6991387392 × 1010
Factors of 16991387392
Divisors of 16991387392
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 4 7 8 14 16 17 28 32 34 43 49 56 64 68 86 98 109 112 119 128 136 172 196 218 224 238 256 272 289 301 344 392 436 448 476 544 578 602 688 731 763 784 833 872 896 952 1088 1156 1204 1376 1462 1526 1568 1666 1744 1792 1853 1904 2023 2107 2176 2312 2408 2752 2924 3052 3136 3332 3488 3706 3808 4046 4214 4352 4624 4687 4816 5117 5341 5504 5848 6104 6272 6664 6976 7412 7616 8092 8428 9248 9374 9632 10234 10682 11008 11696 12208 12427 12544 12971 13328 13952 14161 14824 15232 16184 16856 18496 18748 19264 20468 21364 23392 24416 24854 25942 26656 27904 28322 29648 30464 31501 32368 32809 33712 35819 36992 37496 38528 40936 42728 46784 48832 49708 51884 53312 56644 59296 63002 64736 65618 67424 71638 73984 74992 77056 79679 81872 85456 86989 90797 93568 97664 99416 103768 106624 113288 118592 126004 129472 131236 134848 143276 149984 159358 163744 170912 173978 181594 187136 195328 198832 207536 213248 220507 226576 229663 237184 252008 258944 262472 269696 286552 299968 318716 327488 341824 347956 363188 397664 415072 441014 453152 459326 474368 504016 517888 524944 539392 557753 573104 599936 608923 637432 654976 683648 695912 726376 795328 830144 882028 906304 918652 1008032 1049888 1115506 1146208 1199872 1217846 1274864 1309952 1354543 1367296 1391824 1452752 1543549 1590656 1660288 1764056 1812608 1837304 2016064 2099776 2231012 2292416 2435692 2549728 2709086 2783648 2905504 3087098 3181312 3320576 3528112 3625216 3674608 3904271 4032128 4199552 4462024 4584832 4871384 5099456 5418172 5567296 5811008 6174196 7056224 7349216 7808542 8064256 8399104 8924048 9169664 9481801 9742768 10198912 10836344 11134592 11622016 12348392 14112448 14698432 15617084 17848096 18963602 19485536 20397824 21672688 22269184 23244032 24696784 28224896 29396864 31234168 35696192 37927204 38971072 43345376 49393568 56449792 58793728 62468336 66372607 71392384 75854408 77942144 86690752 98787136 124936672 132745214 142784768 151708816 155884288 173381504 197574272 249873344 265490428 303417632 346763008 395148544 499746688 530980856 606835264 999493376 1061961712 1213670528 2123923424 2427341056 4247846848 8495693696 16991387392
- Sum of all divisors σ(n): 43279226760
- Sum of proper divisors (its aliquot sum) s(n): 26287839368
- 16991387392 is an abundant number, because the sum of its proper divisors (26287839368) is greater than itself. Its abundance is 9296451976
Bases of 16991387392
- Binary: 11111101001100001111111111000000002
- Hexadecimal: 0x3F4C3FF00
- Base-36: 7T08EF4
Squares and roots of 16991387392
- 16991387392 squared (169913873922) is 288707245505016561664
- 16991387392 cubed (169913873923) is 4905536651252987078608880140288
-
The
square root of 16991387392 is 130351.0160758251 -
The
cube root of 16991387392 is 2570.8472929865
Scales and comparisons
How big is 16991387392?- 16,991,387,392 seconds is equal to 540 years, 14 weeks, 1 day, 13 hours, 49 minutes, 52 seconds.
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To count from 1 to 16,991,387,392 would take you about one thousand and eighty 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 16991387392 cubic inches would be around 214.2 feet tall.
Recreational maths with 16991387392
- 16991387392 backwards is 29378319961
- The number of decimal digits it has is: 11
- The sum of 16991387392's digits is 58
- More coming soon!
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