81338933816100

Names of 81338933816100

• Cardinal: 81338933816100 can be written as Eighty-one trillion, three hundred thirty-eight billion, nine hundred thirty-three million, eight hundred sixteen thousand, one hundred.

Scientific notation

• Scientific notation: 8.13389338161 × 10¹³

Factors of 81338933816100

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 33413

Divisors of 81338933816100

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 135 150 162 180 225 243 270 300 324 405 450 486 540 675 729 810 900 972 1215 1350 1458 1620 2025 2430 2700 2916 3645 4050 4860 6075 7290 8100 12150 14580 18225 24300 33403 36450 66806 72900 100209 133612 167015 200418 300627 334030 400836 501045 601254 668060 835075 901881 1002090 1202508 1503135 1670150 1803762 2004180 2505225 2705643 3006270 3340300 3607524 4509405 5010450 5411286 6012540 7515675 8116929 9018810 10020900 10822572 13528215 15031350 16233858 18037620 22547025 24350787 27056430 30062700 32467716 40584645 45094050 48701574 54112860 67641075 81169290 90188100 97403148 121753935 135282150 162338580 202923225 243507870 270564300 405846450 487015740 608769675 811692900 1115760409 1217539350 2231520818 2435078700 3347281227 4463041636 5578802045 6694562454 10041843681 11157604090 13389124908 16736406135 20083687362 22315208180 27894010225 30125531043 33472812270 40167374724 50209218405 55788020450 60251062086 66945624540 83682030675 90376593129 100418436810 111576040900 120502124172 150627655215 167364061350 180753186258 200836873620 251046092025 271129779387 301255310430 334728122700 361506372516 451882965645 502092184050 542259558774 602510620860 753138276075 813389338161 903765931290 1004184368100 1084519117548 1355648896935 1506276552150 1626778676322 1807531862580 2259414828225 2711297793870 3012553104300 3253557352644 4066946690805 4518829656450 5422595587740 6778244484675 8133893381610 9037659312900 13556488969350 16267786763220 20334733454025 27112977938700 40669466908050 81338933816100
• Sum of all divisors σ(n): 264645092361153
• Sum of proper divisors (its aliquot sum) s(n): 183306158545053
• 81338933816100 is an abundant number, because the sum of its proper divisors (183306158545053) is greater than itself. Its abundance is 101967224728953

Bases of 81338933816100

• Binary: 10010011111101000110010010000011010101100100100₂
• Hexadecimal: 0x49FA3241AB24
• Base-36: STYL93290

Squares and roots of 81338933816100

• 81338933816100 squared (81338933816100²) is 6616022154339896108619210000
• 81338933816100 cubed (81338933816100³) is 538140188137704148962727858947067281000000
• 81338933816100 is a perfect square number. Its square root is 9018810
• The cube root of 81338933816100 is 43327.7521611091

Scales and comparisons

• 81,338,933,816,100 seconds is equal to 2,586,326 years, 25 weeks, 6 days, 2 hours, 15 minutes.
• To count from 1 to 81,338,933,816,100 would take you about six million, four hundred sixty-five thousand, eight hundred sixteen 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 81338933816100 cubic inches would be around 3610.6 feet tall.

Recreational maths with 81338933816100

• 81338933816100 backwards is 00161833983318
• 81338933816100 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81338933816100's digits is 54
• More coming soon!