81841635991136

Names of 81841635991136

• Cardinal: 81841635991136 can be written as Eighty-one trillion, eight hundred forty-one billion, six hundred thirty-five million, nine hundred ninety-one thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 8.1841635991136 × 10¹³

Factors of 81841635991136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 230806675

Divisors of 81841635991136

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 112 224 1583 3166 6332 11081 12664 22162 25328 44324 50656 88648 177296 354592 230805083 461610166 923220332 1615635581 1846440664 3231271162 3692881328 6462542324 7385762656 12925084648 25850169296 51700338592 365364446389 730728892778 1461457785556 2557551124723 2922915571112 5115102249446 5845831142224 10230204498892 11691662284448 20460408997784 40920817995568 81841635991136
• Sum of all divisors σ(n): 184260007540224
• Sum of proper divisors (its aliquot sum) s(n): 102418371549088
• 81841635991136 is an abundant number, because the sum of its proper divisors (102418371549088) is greater than itself. Its abundance is 20576735557952

Bases of 81841635991136

• Binary: 10010100110111100111101101001000001111001100000₂
• Hexadecimal: 0x4A6F3DA41E60
• Base-36: T0DJ0ZAZK

Squares and roots of 81841635991136

• 81841635991136 squared (81841635991136²) is 6698053381705607477070570496
• 81841635991136 cubed (81841635991136³) is 548179646714747841121849472169217919123456
• The square root of 81841635991136 is 9046636.7226243809
• The cube root of 81841635991136 is 43416.8289678209

Scales and comparisons

• 81,841,635,991,136 seconds is equal to 2,602,310 years, 45 weeks, 2 days, 7 hours, 18 minutes, 56 seconds.
• To count from 1 to 81,841,635,991,136 would take you about six million, five hundred five thousand, seven hundred seventy-seven 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 81841635991136 cubic inches would be around 3618.1 feet tall.

Recreational maths with 81841635991136

• 81841635991136 backwards is 63119953614818
• The number of decimal digits it has is: 14
• The sum of 81841635991136's digits is 65
• More coming soon!