18018901973143508

Names of 18018901973143508

• Cardinal: 18018901973143508 can be written as Eighteen quadrillion, eighteen trillion, nine hundred one billion, nine hundred seventy-three million, one hundred forty-three thousand, five hundred eight.

Scientific notation

• Scientific notation: 1.8018901973143508 × 10¹⁶

Factors of 18018901973143508

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4007

Divisors of 18018901973143508

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 31 62 79 124 158 316 941 961 1093 1861 1882 1922 2186 2449 3722 3764 3844 4372 4898 7444 9796 29171 29791 33883 57691 58342 59582 67766 74339 75919 86347 115382 116684 119164 135532 147019 148678 151838 172694 230764 294038 297356 303676 345388 588076 904301 1028513 1050373 1751201 1788421 1808602 2034073 2057026 2100746 2304509 2353489 2676757 3502402 3576842 3617204 4068146 4114052 4201492 4557589 4609018 4706978 5353514 7004804 7153684 8136292 9115178 9218036 9413956 10707028 18230356 28033331 31883903 32561563 54287231 55441051 56066662 63056263 63767806 65123126 71439779 81252527 82979467 108574462 110882102 112133324 126112526 127535612 130246252 138344879 141285259 142879558 160691767 162505054 165958934 217148924 221764204 252225052 276689758 282570518 285759116 321383534 325010108 331917868 553379516 565141036 642767068 988400993 1682904161 1914062693 1954744153 1976801986 2214633149 2518828337 2572363477 3365808322 3828125386 3909488306 3953603972 4288691249 4379843029 4429266298 4981444777 5037656674 5144726954 6731616644 7656250772 7818976612 8577382498 8759686058 8858532596 9962889554 10075313348 10289453908 17154764996 17519372116 19925779108 30640430783 52170028991 59335943483 60597068743 61280861566 78083678447 104340057982 118671886966 121194137486 122561723132 132949428719 151210952747 154424788087 156167356894 208680115964 237343773932 242388274972 265898857438 302421905494 308849576174 312334713788 531797714876 604843810988 617699152348 1839414247973 2420594031857 3678828495946 4121432290289 4687539535157 4787168430697 4841188063714 7357656991892 8242864580578 9375079070314 9574336861394 9682376127428 16485729161156 18750158140628 19148673722788 57021841687163 114043683374326 145313725589867 228087366748652 290627451179734 581254902359468 4504725493285877 9009450986571754 18018901973143508
• Sum of all divisors σ(n): 33079655557079040
• Sum of proper divisors (its aliquot sum) s(n): 15060753583935532
• 18018901973143508 is a deficient number, because the sum of its proper divisors (15060753583935532) is less than itself. Its deficiency is 2958148389207976

Bases of 18018901973143508

• Binary: 1000000000001000001100010001011010110100000111111010100₂
• Hexadecimal: 0x4004188B5A0FD4
• Base-36: 4XF61AGJPHW

Squares and roots of 18018901973143508

• 18018901973143508 squared (18018901973143508²) is 324680828317755005897703162546064
• 18018901973143508 cubed (18018901973143508³) is 5850392018016664243010974537155979898434932552512
• The square root of 18018901973143508 is 134234503.6611061037
• The cube root of 18018901973143508 is 262165.8428537305

Scales and comparisons

• 18,018,901,973,143,508 seconds is equal to 572,945,346 years, 32 weeks, 2 days, 15 hours, 25 minutes, 8 seconds.
• To count from 1 to 18,018,901,973,143,508 would take you about one billion, seven hundred eighteen million, eight hundred thirty-six thousand and thirty-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 18018901973143508 cubic inches would be around 21847.2 feet tall.

Recreational maths with 18018901973143508

• 18018901973143508 backwards is 80534137910981081
• The number of decimal digits it has is: 17
• The sum of 18018901973143508's digits is 68
• More coming soon!