18164737864
18,164,737,864 is an even composite number composed of five prime numbers multiplied together.
18164737864 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 18164737864:
23 × 72 × 132 × 17 × 1272
(2 × 2 × 2 × 7 × 7 × 13 × 13 × 17 × 127 × 127)See below for interesting mathematical facts about the number 18164737864 from the Numbermatics database.
Names of 18164737864
- Cardinal: 18164737864 can be written as Eighteen billion, one hundred sixty-four million, seven hundred thirty-seven thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 1.8164737864 × 1010
Factors of 18164737864
Divisors of 18164737864
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 7 8 13 14 17 26 28 34 49 52 56 68 91 98 104 119 127 136 169 182 196 221 238 254 338 364 392 442 476 508 637 676 728 833 884 889 952 1016 1183 1274 1352 1547 1651 1666 1768 1778 2159 2366 2548 2873 3094 3302 3332 3556 4318 4732 5096 5746 6188 6223 6604 6664 7112 8281 8636 9464 10829 11492 11557 12376 12446 13208 15113 16129 16562 17272 20111 21463 21658 22984 23114 24892 28067 30226 32258 33124 40222 42926 43316 46228 49784 56134 60452 64516 66248 80444 80899 85852 86632 92456 105791 112268 112903 120904 129032 140777 150241 160888 161798 171704 196469 209677 211582 224536 225806 274193 281554 300482 323596 364871 392938 419354 423164 451612 548386 563108 600964 647192 729742 785876 790321 838708 846328 903224 1051687 1096772 1126216 1201928 1375283 1459484 1467739 1571752 1580642 1677416 1919351 2103374 2193544 2554097 2725801 2750566 2918968 2935478 3161284 3564509 3838702 4206748 5108194 5451602 5501132 5870956 6322568 7129018 7677404 8413496 10216388 10274173 10903204 11002264 11741912 13435457 14258036 15354808 17878679 19080607 20432776 20548346 21806408 24951563 26870914 28516072 35757358 38161214 41096692 46338617 49903126 53741828 71514716 76322428 82193384 92677234 99806252 107483656 133564249 143029432 152644856 174660941 185354468 199612504 267128498 324370319 349321882 370708936 534256996 648740638 698643764 1068513992 1297481276 1397287528 2270592233 2594962552 4541184466 9082368932 18164737864
- Sum of all divisors σ(n): 45785727090
- Sum of proper divisors (its aliquot sum) s(n): 27620989226
- 18164737864 is an abundant number, because the sum of its proper divisors (27620989226) is greater than itself. Its abundance is 9456251362
Bases of 18164737864
- Binary: 100001110101011001111100111010010002
- Hexadecimal: 0x43AB3E748
- Base-36: 8CETDFS
Squares and roots of 18164737864
- 18164737864 squared (181647378642) is 329957701667835282496
- 18164737864 cubed (181647378643) is 5993595157004143506870227628544
-
The
square root of 18164737864 is 134776.6220974543 -
The
cube root of 18164737864 is 2628.7122256913
Scales and comparisons
How big is 18164737864?- 18,164,737,864 seconds is equal to 577 years, 30 weeks, 2 days, 31 minutes, 4 seconds.
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To count from 1 to 18,164,737,864 would take you about one thousand, one hundred fifty-five 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 18164737864 cubic inches would be around 219.1 feet tall.
Recreational maths with 18164737864
- 18164737864 backwards is 46873746181
- The number of decimal digits it has is: 11
- The sum of 18164737864's digits is 55
- More coming soon!
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