18015399936

Names of 18015399936

• Cardinal: 18015399936 can be written as Eighteen billion, fifteen million, three hundred ninety-nine thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 1.8015399936 × 10¹⁰

Factors of 18015399936

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 130

Divisors of 18015399936

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 19 24 32 34 36 38 48 51 57 64 68 72 76 89 96 102 114 128 136 144 152 153 171 178 192 204 228 256 267 272 288 289 304 306 323 342 356 384 408 456 512 534 544 576 578 608 612 646 684 712 768 801 816 867 912 969 1024 1068 1088 1152 1156 1216 1224 1292 1368 1424 1513 1536 1602 1632 1691 1734 1824 1938 2048 2136 2176 2304 2312 2432 2448 2584 2601 2736 2848 2907 3026 3072 3204 3264 3382 3468 3648 3876 4096 4272 4352 4539 4608 4624 4864 4896 5073 5168 5202 5472 5491 5696 5814 6052 6144 6408 6528 6764 6936 7296 7752 8544 8704 9078 9216 9248 9728 9792 10146 10336 10404 10944 10982 11392 11628 12104 12288 12816 13056 13528 13617 13872 14592 15219 15504 16473 17088 17408 18156 18432 18496 19456 19584 20292 20672 20808 21888 21964 22784 23256 24208 25632 25721 26112 27056 27234 27744 28747 29184 30438 31008 32946 34176 34816 36312 36864 36992 38912 39168 40584 41344 41616 43776 43928 45568 46512 48416 49419 51264 51442 52224 54112 54468 55488 57494 58368 60876 62016 65892 68352 69632 72624 73984 77163 77824 78336 81168 82688 83232 86241 87552 87856 91136 93024 96832 98838 102528 102884 104448 108224 108936 110976 114988 116736 121752 124032 131784 136704 145248 147968 154326 156672 162336 165376 166464 172482 175104 175712 182272 186048 193664 197676 205056 205768 208896 216448 217872 221952 229976 231489 233472 243504 248064 258723 263568 273408 290496 295936 308652 313344 324672 330752 332928 344964 350208 351424 364544 372096 387328 395352 410112 411536 432896 435744 443904 459952 462978 487008 488699 496128 517446 527136 546816 580992 591872 617304 626688 649344 661504 665856 689928 700416 702848 744192 774656 790704 820224 823072 865792 871488 887808 919904 925956 974016 977398 992256 1034892 1054272 1093632 1161984 1183744 1234608 1298688 1323008 1331712 1379856 1405696 1466097 1488384 1549312 1581408 1640448 1646144 1731584 1742976 1775616 1839808 1851912 1948032 1954796 1984512 2069784 2108544 2323968 2469216 2597376 2663424 2759712 2811392 2932194 2976768 3098624 3162816 3280896 3292288 3463168 3485952 3551232 3679616 3703824 3896064 3909592 3969024 4139568 4217088 4398291 4647936 4938432 5194752 5326848 5519424 5622784 5864388 5953536 6197248 6325632 6584576 6926336 6971904 7359232 7407648 7792128 7819184 8279136 8434176 8796582 9295872 9876864 10389504 10653696 11038848 11245568 11728776 11907072 12651264 13169152 13943808 14718464 14815296 15584256 15638368 16558272 16868352 17593164 18591744 19753728 20779008 22077696 22491136 23457552 25302528 26338304 27887616 29436928 29630592 31168512 31276736 33116544 33736704 35186328 39507456 44155392 46915104 50605056 52676608 55775232 58873856 59261184 62337024 62553472 66233088 67473408 70372656 79014912 88310784 93830208 101210112 105353216 117747712 118522368 125106944 132466176 140745312 158029824 176621568 187660416 202420224 237044736 250213888 264932352 281490624 316059648 353243136 375320832 474089472 500427776 529864704 562981248 750641664 948178944 1000855552 1059729408 1125962496 1501283328 2001711104 2251924992 3002566656 4503849984 6005133312 9007699968 18015399936
• Sum of all divisors σ(n): 58842505800
• Sum of proper divisors (its aliquot sum) s(n): 40827105864
• 18015399936 is an abundant number, because the sum of its proper divisors (40827105864) is greater than itself. Its abundance is 22811705928

Bases of 18015399936

• Binary: 10000110001110011010011000000000000₂
• Hexadecimal: 0x431CD3000
• Base-36: 89XWJK0

Squares and roots of 18015399936

• 18015399936 squared (18015399936²) is 324554634854028804096
• 18015399936 cubed (18015399936³) is 5846981547977773886653234937856
• The square root of 18015399936 is 134221.4585526473
• The cube root of 18015399936 is 2621.4885746793

Scales and comparisons

• 18,015,399,936 seconds is equal to 572 years, 43 weeks, 2 days, 13 hours, 45 minutes, 36 seconds.
• To count from 1 to 18,015,399,936 would take you about one thousand, one hundred forty-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 18015399936 cubic inches would be around 218.5 feet tall.

Recreational maths with 18015399936

• 18015399936 backwards is 63999351081
• The number of decimal digits it has is: 11
• The sum of 18015399936's digits is 54
• More coming soon!