18131682816
18,131,682,816 is an even composite number composed of four prime numbers multiplied together.
18131682816 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 18131682816:
29 × 34 × 133 × 199
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 13 × 13 × 13 × 199)See below for interesting mathematical facts about the number 18131682816 from the Numbermatics database.
Names of 18131682816
- Cardinal: 18131682816 can be written as Eighteen billion, one hundred thirty-one million, six hundred eighty-two thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 1.8131682816 × 1010
Factors of 18131682816
Divisors of 18131682816
- Number of divisors d(n): 400
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 81 96 104 108 117 128 144 156 162 169 192 199 208 216 234 256 288 312 324 338 351 384 398 416 432 468 507 512 576 597 624 648 676 702 768 796 832 864 936 1014 1053 1152 1194 1248 1296 1352 1404 1521 1536 1592 1664 1728 1791 1872 2028 2106 2197 2304 2388 2496 2587 2592 2704 2808 3042 3184 3328 3456 3582 3744 4056 4212 4394 4563 4608 4776 4992 5174 5184 5373 5408 5616 6084 6368 6591 6656 6912 7164 7488 7761 8112 8424 8788 9126 9552 9984 10348 10368 10746 10816 11232 12168 12736 13182 13689 13824 14328 14976 15522 16119 16224 16848 17576 18252 19104 19773 19968 20696 20736 21492 21632 22464 23283 24336 25472 26364 27378 28656 29952 31044 32238 32448 33631 33696 35152 36504 38208 39546 41392 41472 42984 43264 44928 46566 48672 50944 52728 54756 57312 59319 59904 62088 64476 64896 67262 67392 69849 70304 73008 76416 79092 82784 85968 86528 89856 93132 97344 100893 101888 105456 109512 114624 118638 124176 128952 129792 134524 134784 139698 140608 146016 152832 158184 165568 171936 177957 179712 186264 194688 201786 209547 210912 219024 229248 237276 248352 257904 259584 269048 269568 279396 281216 292032 302679 305664 316368 331136 343872 355914 372528 389376 403572 419094 421824 437203 438048 458496 474552 496704 515808 538096 539136 558792 562432 584064 605358 632736 662272 687744 711828 745056 778752 807144 838188 843648 874406 876096 908037 916992 949104 993408 1031616 1076192 1117584 1124864 1168128 1210716 1265472 1311609 1324544 1375488 1423656 1490112 1614288 1676376 1687296 1748812 1752192 1816074 1898208 1986816 2063232 2152384 2235168 2336256 2421432 2530944 2623218 2724111 2750976 2847312 2980224 3228576 3352752 3374592 3497624 3504384 3632148 3796416 3934827 3973632 4126464 4304768 4470336 4842864 5061888 5246436 5448222 5694624 5960448 6457152 6705504 6995248 7008768 7264296 7592832 7869654 8252928 8609536 8940672 9685728 10123776 10492872 10896444 11389248 11804481 11920896 12914304 13411008 13990496 14528592 15185664 15739308 17219072 17881344 19371456 20985744 21792888 22778496 23608962 25828608 26822016 27980992 29057184 30371328 31478616 35413443 35762688 38742912 41971488 43585776 45556992 47217924 51657216 53644032 55961984 58114368 62957232 70826886 77485824 83942976 87171552 91113984 94435848 107288064 111923968 116228736 125914464 141653772 154971648 167885952 174343104 188871696 223847936 232457472 251828928 283307544 335771904 348686208 377743392 464914944 503657856 566615088 671543808 697372416 755486784 1007315712 1133230176 1394744832 1510973568 2014631424 2266460352 3021947136 4532920704 6043894272 9065841408 18131682816
- Sum of all divisors σ(n): 58920708000
- Sum of proper divisors (its aliquot sum) s(n): 40789025184
- 18131682816 is an abundant number, because the sum of its proper divisors (40789025184) is greater than itself. Its abundance is 22657342368
Bases of 18131682816
- Binary: 100001110001011101110000110000000002
- Hexadecimal: 0x438BB8600
- Base-36: 8BV4W00
Squares and roots of 18131682816
- 18131682816 squared (181316828162) is 328757921740029689856
- 18131682816 cubed (181316828163) is 5960934360237569146891844714496
-
The
square root of 18131682816 is 134653.9372465581 -
The
cube root of 18131682816 is 2627.1167357593
Scales and comparisons
How big is 18131682816?- 18,131,682,816 seconds is equal to 576 years, 27 weeks, 4 days, 10 hours, 33 minutes, 36 seconds.
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To count from 1 to 18,131,682,816 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 18131682816 cubic inches would be around 218.9 feet tall.
Recreational maths with 18131682816
- 18131682816 backwards is 61828613181
- The number of decimal digits it has is: 11
- The sum of 18131682816's digits is 45
- More coming soon!
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