18145241856

Names of 18145241856

• Cardinal: 18145241856 can be written as Eighteen billion, one hundred forty-five million, two hundred forty-one thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.8145241856 × 10¹⁰

Factors of 18145241856

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 258

Divisors of 18145241856

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 32 34 36 42 48 51 56 63 64 68 72 84 96 102 112 119 126 128 136 144 153 168 192 204 224 229 238 252 256 272 288 289 306 336 357 384 408 448 458 476 504 544 576 578 612 672 687 714 768 816 867 896 916 952 1008 1071 1088 1152 1156 1224 1344 1374 1428 1603 1632 1734 1792 1832 1904 2016 2023 2061 2142 2176 2304 2312 2448 2601 2688 2748 2856 3206 3264 3468 3664 3808 3893 4032 4046 4122 4284 4352 4624 4809 4896 4913 5202 5376 5496 5712 6069 6412 6528 6936 7328 7616 7786 8064 8092 8244 8568 9248 9618 9792 9826 10404 10992 11424 11679 12138 12824 13056 13872 14427 14656 14739 15232 15572 16128 16184 16488 17136 18207 18496 19236 19584 19652 20808 21984 22848 23358 24276 25648 27251 27744 28854 29312 29478 30464 31144 32368 32976 34272 34391 35037 36414 36992 38472 39168 39304 41616 43968 44217 45696 46716 48552 51296 54502 55488 57708 58624 58956 62288 64736 65952 66181 68544 68782 70074 72828 73984 76944 78608 81753 83232 87936 88434 91392 93432 97104 102592 103173 109004 110976 115416 117912 124576 129472 131904 132362 137088 137564 140148 145656 153888 157216 163506 166464 175872 176868 186864 194208 198543 205184 206346 218008 221952 230832 235824 245259 249152 258944 263808 264724 274176 275128 280296 291312 307776 309519 314432 327012 332928 353736 373728 388416 397086 410368 412692 436016 461664 463267 471648 490518 498304 517888 527616 529448 550256 560592 582624 595629 615552 619038 628864 654024 665856 707472 747456 776832 794172 825384 872032 923328 926534 943296 981036 996608 1058896 1100512 1121184 1125077 1165248 1191258 1231104 1238076 1257728 1308048 1389801 1414944 1494912 1553664 1588344 1650768 1744064 1846656 1853068 1886592 1962072 2117792 2201024 2242368 2250154 2330496 2382516 2476152 2616096 2779602 2829888 2989824 3176688 3301536 3375231 3488128 3693312 3706136 3773184 3924144 4169403 4235584 4402048 4484736 4500308 4660992 4765032 4952304 5232192 5559204 5659776 6353376 6603072 6750462 6976256 7412272 7848288 7875539 8338806 8471168 8804096 8969472 9000616 9530064 9904608 10125693 10464384 11118408 11319552 12706752 13206144 13500924 14824544 15696576 15751078 16677612 16942336 18001232 19060128 19809216 20251386 20928768 22236816 23626617 25413504 26412288 27001848 29649088 31393152 31502156 33355224 36002464 38120256 39618432 40502772 44473632 47253234 50827008 54003696 59298176 62786304 63004312 66710448 70879851 72004928 76240512 79236864 81005544 88947264 94506468 108007392 118596352 126008624 133420896 141759702 144009856 152481024 162011088 177894528 189012936 216014784 252017248 266841792 283519404 288019712 324022176 355789056 378025872 432029568 504034496 533683584 567038808 648044352 756051744 864059136 1008068992 1067367168 1134077616 1296088704 1512103488 2016137984 2268155232 2592177408 3024206976 4536310464 6048413952 9072620928 18145241856
• Sum of all divisors σ(n): 63804686400
• Sum of proper divisors (its aliquot sum) s(n): 45659444544
• 18145241856 is an abundant number, because the sum of its proper divisors (45659444544) is greater than itself. Its abundance is 27514202688

Bases of 18145241856

• Binary: 10000111001100010100110101100000000₂
• Hexadecimal: 0x4398A6B00
• Base-36: 8C37I80

Squares and roots of 18145241856

• 18145241856 squared (18145241856²) is 329249802012734324736
• 18145241856 cubed (18145241856³) is 5974317288561179914207563350016
• The square root of 18145241856 is 134704.2755668877
• The cube root of 18145241856 is 2627.7714333157

Scales and comparisons

• 18,145,241,856 seconds is equal to 576 years, 50 weeks, 8 hours, 57 minutes, 36 seconds.
• To count from 1 to 18,145,241,856 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 18145241856 cubic inches would be around 219 feet tall.

Recreational maths with 18145241856

• 18145241856 backwards is 65814254181
• The number of decimal digits it has is: 11
• The sum of 18145241856's digits is 45
• More coming soon!