18729741022412463

Names of 18729741022412463

• Cardinal: 18729741022412463 can be written as Eighteen quadrillion, seven hundred twenty-nine trillion, seven hundred forty-one billion, twenty-two million, four hundred twelve thousand, four hundred sixty-three.

Scientific notation

• Scientific notation: 1.8729741022412463 × 10¹⁶

Factors of 18729741022412463

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 14718153

Divisors of 18729741022412463

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 71 137 213 411 639 1233 9727 14551 29181 43653 87543 130959 1033121 1993487 3099363 5980461 9298089 14703391 17941383 44110173 132330519 141537577 424612731 1043940761 1273838193 2014364567 3131822283 6043093701 9395466849 18129281103 143019884257 213949042441 429059652771 641847127323 1287178958313 1925541381969 15190382013311 29311018814417 45571146039933 87933056443251 136713438119799 263799169329753 2081082335823607 6243247007470821 18729741022412463
• Sum of all divisors σ(n): 27637271001280512
• Sum of proper divisors (its aliquot sum) s(n): 8907529978868049
• 18729741022412463 is a deficient number, because the sum of its proper divisors (8907529978868049) is less than itself. Its deficiency is 9822211043544414

Bases of 18729741022412463

• Binary: 1000010100010101001100110101000011000000011111010101111₂
• Hexadecimal: 0x428A99A8603EAF
• Base-36: 54F508P5TPR

Squares and roots of 18729741022412463

• 18729741022412463 squared (18729741022412463²) is 350803198766640254826484497726369
• 18729741022412463 cubed (18729741022412463³) is 6570453062733055125713024928539135465794829336847
• The square root of 18729741022412463 is 136856644.0565179977
• The cube root of 18729741022412463 is 265568.9261425627

Scales and comparisons

• 18,729,741,022,412,463 seconds is equal to 595,547,829 years, 32 weeks, 1 day, 15 hours, 1 minute, 3 seconds.
• To count from 1 to 18,729,741,022,412,463 would take you about one billion, seven hundred eighty-six million, six hundred forty-three thousand, four hundred eighty-eight 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 18729741022412463 cubic inches would be around 22130.7 feet tall.

Recreational maths with 18729741022412463

• 18729741022412463 backwards is 36421422014792781
• The number of decimal digits it has is: 17
• The sum of 18729741022412463's digits is 63
• More coming soon!