81833512779743712

Names of 81833512779743712

• Cardinal: 81833512779743712 can be written as Eighty-one quadrillion, eight hundred thirty-three trillion, five hundred twelve billion, seven hundred seventy-nine million, seven hundred forty-three thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 8.1833512779743712 × 10¹⁶

Factors of 81833512779743712

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8097655

Divisors of 81833512779743712

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 8097637 16195274 24292911 32390548 48585822 64781096 97171644 105269281 129562192 194343288 210538562 259124384 315807843 388686576 421077124 631615686 777373152 842154248 1263231372 1684308496 2526462744 3368616992 5052925488 10105850976 65571724983769 131143449967538 196715174951307 262286899935076 393430349902614 524573799870152 786860699805228 852432424788997 1049147599740304 1573721399610456 1704864849577994 2098295199480608 2557297274366991 3147442799220912 3409729699155988 5114594548733982 6294885598441824 6819459398311976 10229189097467964 13638918796623952 20458378194935928 27277837593247904 40916756389871856 81833512779743712
• Sum of all divisors σ(n): 231337074311203896
• Sum of proper divisors (its aliquot sum) s(n): 149503561531460184
• 81833512779743712 is an abundant number, because the sum of its proper divisors (149503561531460184) is greater than itself. Its abundance is 67670048751716472

Bases of 81833512779743712

• Binary: 100100010101110110010010101110011111101011000000111100000₂
• Hexadecimal: 0x122BB2573F581E0
• Base-36: MDRK4S6DEQO

Squares and roots of 81833512779743712

• 81833512779743712 squared (81833512779743712²) is 6696723813872477433753344403538944
• 81833512779743712 cubed (81833512779743712³) is 548016433804947433412506163118203873921210131120128
• The square root of 81833512779743712 is 286065574.2653137073
• The cube root of 81833512779743712 is 434153.9247100347

Scales and comparisons

• 81,833,512,779,743,712 seconds is equal to 2,602,052,578 years, 37 weeks, 3 days, 10 hours, 35 minutes, 12 seconds.
• To count from 1 to 81,833,512,779,743,712 would take you about seven billion, eight hundred six million, one hundred fifty-seven thousand, seven hundred thirty-six 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 81833512779743712 cubic inches would be around 36179.5 feet tall.

Recreational maths with 81833512779743712

• 81833512779743712 backwards is 21734797721533818
• 81833512779743712 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 81833512779743712's digits is 78
• More coming soon!