81013934 is an even 8-digits composite number following 81013933
and preceding 81013935 . In scientific notation, it is written as 8.1013934 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 40258296 positive integers (up to 81013934) that are relatively prime to 81013934.
81013934 has 8 divisors, whose sum is 122266920
The reverse of 81013934 is 43931018
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million thirteen thousand nine hundred thirty-four
Scientific notation
8.1013934 × 10^7
Engineering notation
8.1013934 × 10^6
Prime Factorization
2 × 163 × 248509
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81013934
Product of the distinct prime numbers
The prime factorization of 81013934 is 2 × 163 × 248509.
Since it has a total of 3 prime factors.
6 , 7 , 65 , 98 , 32 , 28 , 4386 , 779 , 82359 , 56643 , 842865 , 592438 , 5465886 , 5854958 , 21577520 , 74513447 , 97761537 , 210466935 , 1754314160 , 4883501279
n×2
162027868
n×3
243041802
n×4
324055736
n×5
405069670
n÷2
40506967
n÷3
27004644.666667
n÷3
20253483.5
n÷5
16202786.8
n2
6563257502156356
n3
5.317153101047E+23
n4
4.3076349039612E+31
n5
3.4897844980561E+39
2 √n
9000.7740778224
3 √n
432.69967992342
4 √n
94.872409465674
5 √n
38.169102166261
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81013933
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81013934 can be divided by 8 positive divisors.
The sum of these divisors (counting 81013934) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101000010110010101110
3
Ternary
12122102221020002
4
Quaternary
10311002302232
5
Quinary
131214421214
6
Senary
12012224302
8
Octal
465026256
10
Decimal
81013934
12
Duodecimal
2316b092
16
Hexadecimal
4d42cae
20
Vigesimal
1566ege
36
Base36
1c8er2
md5
52dbb7a231e648fc2f9698fa30e4b880
sha1
cfe61ff77be6110dbf363ddbde59fbced489317b
sha256
6b9e1416321d91c4cecbea40728461df794e81993161a8d08f37debc1d0e6557
sha512
0b0a3c44d8b00e808f96d1771b5e1c6bd7176a05b234379e99343d0426df59e661ae49b95f5679e48141824bcb95fb6a5bd945f206b744d0324236687be27942
ripemd-160
b97d09485bf25bbcf64c1bc1352bd661daafdb70
Diameter
162027868
Circumference
509025559.78562
Area
2.0619081552393E+16
Volume
2.2272438827015E+24
Surface area
8.247632620957E+16
Circumference
509025559.78562
Perimeter
324055736
Area
6563257502156356
Diagonal
114571004.204
Surface area
39379545012938136
Volume
5.317153101047E+23
Space diagonal
140320249.80903
Perimeter
243041802
Area
2.8419738642231E+15
Altitude
70160124.904516
Surface area
2.8419738642231E+15
Volume
6.266325023929E+22
Height
38190334.734666