18218902879735808

Names of 18218902879735808

• Cardinal: 18218902879735808 can be written as Eighteen quadrillion, two hundred eighteen trillion, nine hundred two billion, eight hundred seventy-nine million, seven hundred thirty-five thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8218902879735808 × 10¹⁶

Factors of 18218902879735808

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 30108

Divisors of 18218902879735808

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 128 136 256 272 289 512 544 578 1024 1088 1156 2048 2176 2312 4096 4352 4624 4913 8704 9248 9826 17408 18496 19652 30089 34816 36992 39304 60178 69632 73984 78608 120356 147968 157216 240712 295936 314432 481424 511513 591872 628864 962848 1023026 1183744 1257728 1925696 2046052 2515456 3851392 4092104 5030912 7702784 8184208 8695721 10061824 15405568 16368416 17391442 20123648 30811136 32736832 34782884 61622272 65473664 69565768 123244544 130947328 139131536 147827257 261894656 278263072 295654514 523789312 556526144 591309028 905347921 1047578624 1113052288 1182618056 1810695842 2095157248 2226104576 2365236112 3621391684 4452209152 4730472224 7242783368 8904418304 9460944448 14485566736 15390914657 17808836608 18921888896 28971133472 30781829314 35617673216 37843777792 57942266944 61563658628 75687555584 115884533888 123127317256 151375111168 231769067776 246254634512 261645549169 302750222336 463538135552 492509269024 523291098338 605500444672 927076271104 985018538048 1046582196676 1854152542208 1970037076096 2093164393352 3708305084416 3940074152192 4186328786704 4447974335873 7880148304384 8372657573408 8895948671746 15760296608768 16745315146816 17791897343492 31520593217536 33490630293632 35583794686984 63041186435072 66981260587264 71167589373968 133962521174528 142335178747936 267925042349056 284670357495872 535850084698112 569340714991744 1071700169396224 1138681429983488 2277362859966976 4554725719933952 9109451439867904 18218902879735808
• Sum of all divisors σ(n): 38711265723887220
• Sum of proper divisors (its aliquot sum) s(n): 20492362844151412
• 18218902879735808 is an abundant number, because the sum of its proper divisors (20492362844151412) is greater than itself. Its abundance is 2273459964415604

Bases of 18218902879735808

• Binary: 1000000101110011111111011100010010110000001000000000000₂
• Hexadecimal: 0x40B9FEE2581000
• Base-36: 4ZE28FSGMWW

Squares and roots of 18218902879735808

• 18218902879735808 squared (18218902879735808²) is 331928422141245717620723877412864
• 18218902879735808 cubed (18218902879735808³) is 6047371686015304537845533009252340596026860634112
• The square root of 18218902879735808 is 134977416.1841002497
• The cube root of 18218902879735808 is 263132.2465193463

Scales and comparisons

• 18,218,902,879,735,808 seconds is equal to 579,304,756 years, 42 weeks, 10 hours, 10 minutes, 8 seconds.
• To count from 1 to 18,218,902,879,735,808 would take you about one billion, seven hundred thirty-seven million, nine hundred fourteen thousand, two hundred seventy 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 18218902879735808 cubic inches would be around 21927.7 feet tall.

Recreational maths with 18218902879735808

• 18218902879735808 backwards is 80853797820981281
• The number of decimal digits it has is: 17
• The sum of 18218902879735808's digits is 86
• More coming soon!