81963669 is an odd 8-digits composite number following 81963668
and preceding 81963670 . In scientific notation, it is written as 8.1963669 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 54642444 positive integers (up to 81963669) that are relatively prime to 81963669.
81963669 has 4 divisors, whose sum is 109284896
The reverse of 81963669 is 96636918
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-one million nine hundred sixty-three thousand six hundred sixty-nine
Scientific notation
8.1963669 × 10^7
Engineering notation
8.1963669 × 10^6
Prime Factorization
3 × 27321223
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81963669
Product of the distinct prime numbers
The prime factorization of 81963669 is 3 × 27321223.
Since it has a total of 2 prime factors.
8 , 7 , 21 , 55 , 985 , 714 , 5796 , 4606 , 45505 , 83502 , 414904 , 220967 , 359678 , 831155 , 42074616 , 88441157 , 866927817 , 947461440 , 2857411806 , 7082653948
n×2
163927338
n×3
245891007
n×4
327854676
n×5
409818345
n÷2
40981834.5
n÷3
27321223
n÷3
20490917.25
n÷5
16392733.8
n2
6718043035941561
n3
5.5063545572567E+23
n4
4.5132102232763E+31
n5
3.6991926886803E+39
2 √n
9053.3788720013
3 √n
434.3839767584
4 √n
95.149245251874
5 √n
38.25817753605
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81963668
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81963669 can be divided by 4 positive divisors.
The sum of these divisors (counting 81963669) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111000101010101010010101
3
Ternary
12201020012000110
4
Quaternary
10320222222111
5
Quinary
131440314134
6
Senary
12044433233
8
Octal
470525225
10
Decimal
81963669
12
Duodecimal
23548819
16
Hexadecimal
4e2aa95
20
Vigesimal
15c5939
36
Base36
1csrkl
md5
b08dc4c094be74245aa19ad93e776e24
sha1
e348b61c90cef4cdb349583ba208a3c1ede21fa0
sha256
e034a269837fa5bb48ac6aa13b6377313bdbde6a900c778c7bddf109a65e0f13
sha512
f54f1ebb5e07a04a5390b0b59e729fdcd3e82b50191efc7ed166668803eae3bd7e7e5414dd5b733ac18b7fb91211eddc7c7d57a784ad2490fee0f4eee55284ec
ripemd-160
d36714824b65c4088a6b6d5287f3d6f016007cae
Diameter
163927338
Circumference
514992920.78333
Area
2.1105354648214E+16
Volume
2.3064964033518E+24
Surface area
8.4421418592856E+16
Circumference
514992920.78333
Perimeter
327854676
Area
6718043035941561
Diagonal
115914132.32166
Surface area
40308258215649366
Volume
5.5063545572567E+23
Space diagonal
141965239.08276
Perimeter
245891007
Area
2.9089979664213E+15
Altitude
70982619.541379
Surface area
2.9089979664213E+15
Volume
6.4893010784228E+22
Height
38638044.10722