18440801090147990808

Names of 18440801090147990808

• Cardinal: 18440801090147990808 can be written as Eighteen quintillion, four hundred forty quadrillion, eight hundred one trillion, ninety billion, one hundred forty-seven million, nine hundred ninety thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8440801090147990808 × 10¹⁹

Factors of 18440801090147990808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 834257126

Divisors of 18440801090147990808

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 2011 4022 6033 8044 12066 16088 16963 18099 24132 33926 36198 48264 50889 54297 67852 72396 101778 108594 135704 144792 152667 162891 203556 217188 305334 325782 407112 434376 458001 610668 651564 916002 1221336 1303128 1374003 1832004 2748006 3664008 5496012 10992024 34112593 68225186 102337779 136450372 204675558 272900744 307013337 409351116 614026674 818702232 834238147 921040011 1228053348 1668476294 1842080022 2456106696 2502714441 2763120033 3336952588 3684160044 5005428882 5526240066 6673905176 7368320088 7508143323 10010857764 11052480132 15016286646 20021715528 22104960264 22524429969 30032573292 45048859938 60065146584 67573289907 90097719876 135146579814 180195439752 270293159628 540586319256 1677652913617 3355305827234 5032958740851 6710611654468 10065917481702 13421223308936 14151181687561 15098876222553 20131834963404 28302363375122 30197752445106 40263669926808 42453545062683 45296628667659 56604726750244 60395504890212 84907090125366 90593257335318 113209453500488 120791009780424 127360635188049 135889886002977 169814180250732 181186514670636 254721270376098 271779772005954 339628360501464 362373029341272 382081905564147 509442540752196 543559544011908 764163811128294 1018885081504392 1087119088023816 1146245716692441 1528327622256588 2292491433384882 3056655244513176 4584982866769764 9169965733539528 28458026373685171 56916052747370342 85374079121055513 113832105494740684 170748158242111026 227664210989481368 256122237363166539 341496316484222052 512244474726333078 682992632968444104 768366712089499617 1024488949452666156 1536733424178999234 2048977898905332312 2305100136268498851 3073466848357998468 4610200272536997702 6146933696715996936 9220400545073995404 18440801090147990808
• Sum of all divisors σ(n): 51680048779130756160
• Sum of proper divisors (its aliquot sum) s(n): 33239247688982765352
• 18440801090147990808 is an abundant number, because the sum of its proper divisors (33239247688982765352) is greater than itself. Its abundance is 14798446598834774544

Bases of 18440801090147990808

• Binary: 1111111111101010111000101110001101001111111010000011110100011000₂
• Hexadecimal: 0xFFEAE2E34FE83D18
• Base-36: 3W3RIF17NIXI0

Squares and roots of 18440801090147990808

• 18440801090147990808 squared (18440801090147990808²) is 340063144846403326206974662719252492864
• 18440801090147990808 cubed (18440801090147990808³) is 6271036812202708560074044190014831489963018075334957594112
• The square root of 18440801090147990808 is 4294275385.9234494613
• The cube root of 18440801090147990808 is 2641962.1685490583

Scales and comparisons

• 18,440,801,090,147,990,808 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,440,801,090,147,990,808 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18440801090147990808 cubic inches would be around 220163.5 feet tall.

Recreational maths with 18440801090147990808

• 18440801090147990808 backwards is 80809974109010804481
• 18440801090147990808 is a Harshad number.
• The number of decimal digits it has is: 20
• The sum of 18440801090147990808's digits is 81
• More coming soon!