18129364944
18,129,364,944 is an even composite number composed of six prime numbers multiplied together.
18129364944 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 18129364944:
24 × 3 × 17 × 312 × 61 × 379
(2 × 2 × 2 × 2 × 3 × 17 × 31 × 31 × 61 × 379)See below for interesting mathematical facts about the number 18129364944 from the Numbermatics database.
Names of 18129364944
- Cardinal: 18129364944 can be written as Eighteen billion, one hundred twenty-nine million, three hundred sixty-four thousand, nine hundred forty-four.
Scientific notation
- Scientific notation: 1.8129364944 × 1010
Factors of 18129364944
Divisors of 18129364944
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 6 8 12 16 17 24 31 34 48 51 61 62 68 93 102 122 124 136 183 186 204 244 248 272 366 372 379 408 488 496 527 732 744 758 816 961 976 1037 1054 1137 1464 1488 1516 1581 1891 1922 2074 2108 2274 2883 2928 3032 3111 3162 3782 3844 4148 4216 4548 5673 5766 6064 6222 6324 6443 7564 7688 8296 8432 9096 11346 11532 11749 12444 12648 12886 15128 15376 16337 16592 18192 19329 22692 23064 23119 23498 24888 25296 25772 30256 32147 32674 35247 38658 45384 46128 46238 46996 49011 49776 51544 58621 64294 65348 69357 70494 77316 90768 92476 93992 96441 98022 103088 117242 128588 130696 138714 140988 154632 175863 184952 187984 192882 196044 199733 234484 257176 261392 277428 281976 309264 351726 364219 369904 385764 392088 393023 399466 468968 514352 554856 563952 599199 703452 716689 728438 771528 784176 786046 798932 937936 996557 1092657 1109712 1179069 1198398 1406904 1433378 1456876 1543056 1572092 1597864 1993114 2150067 2185314 2358138 2396796 2813808 2866756 2913752 2989671 3144184 3195728 3986228 4300134 4370628 4716276 4793592 5733512 5827504 5979342 6191723 6288368 7972456 8600268 8741256 9432552 9587184 11467024 11958684 12183713 12383446 15944912 17200536 17482512 18575169 18865104 22217359 23917368 24367426 24766892 34401072 36551139 37150338 44434718 47834736 48734852 49533784 66652077 73102278 74300676 88869436 97469704 99067568 133304154 146204556 148601352 177738872 194939408 266608308 292409112 297202704 355477744 377695103 533216616 584818224 755390206 1066433232 1133085309 1510780412 2266170618 3021560824 4532341236 6043121648 9064682472 18129364944
- Sum of all divisors σ(n): 52217818560
- Sum of proper divisors (its aliquot sum) s(n): 34088453616
- 18129364944 is an abundant number, because the sum of its proper divisors (34088453616) is greater than itself. Its abundance is 15959088672
Bases of 18129364944
- Binary: 100001110001001100000100111110100002
- Hexadecimal: 0x4389827D0
- Base-36: 8BTR7IO
Squares and roots of 18129364944
- 18129364944 squared (181293649442) is 328673873272736123136
- 18129364944 cubed (181293649443) is 5958648596119440821744265744384
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The
square root of 18129364944 is 134645.3301975231 -
The
cube root of 18129364944 is 2627.0047847639
Scales and comparisons
How big is 18129364944?- 18,129,364,944 seconds is equal to 576 years, 23 weeks, 5 days, 14 hours, 42 minutes, 24 seconds.
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To count from 1 to 18,129,364,944 would take you about one thousand, one hundred fifty-two 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 18129364944 cubic inches would be around 218.9 feet tall.
Recreational maths with 18129364944
- 18129364944 backwards is 44946392181
- 18129364944 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18129364944's digits is 51
- More coming soon!
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