81132017 is an odd 8-digits composite number following 81132016
and preceding 81132018 . In scientific notation, it is written as 8.1132017 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 77604516 positive integers (up to 81132017) that are relatively prime to 81132017.
81132017 has 4 divisors, whose sum is 84659520
The reverse of 81132017 is 71023118
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million one hundred thirty-two thousand seventeen
Scientific notation
8.1132017 × 10^7
Engineering notation
8.1132017 × 10^6
Prime Factorization
23 × 3527479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81132017
Product of the distinct prime numbers
The prime factorization of 81132017 is 23 × 3527479.
Since it has a total of 2 prime factors.
7 , 3 , 15 , 8 , 519 , 828 , 5813 , 1156 , 43249 , 12200 , 222275 , 911570 , 6533960 , 960642 , 10422067 , 31204099 , 821683363 , 411009278 , 1624867650 , 6593537676
n×2
162264034
n×3
243396051
n×4
324528068
n×5
405660085
n÷2
40566008.5
n÷3
27044005.666667
n÷3
20283004.25
n÷5
16226403.4
n2
6582404182488289
n3
5.3404372803451E+23
n4
4.3328044821639E+31
n5
3.515291669046E+39
2 √n
9007.3312917867
3 √n
432.9098070352
4 √n
94.906961239873
5 √n
38.180222467169
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
-81132016
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 81132017 can be divided by 4 positive divisors.
The sum of these divisors (counting 81132017) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101011111100111110001
3
Ternary
12122122221012112
4
Quaternary
10311133213301
5
Quinary
131232211032
6
Senary
12014535105
8
Octal
465374761
10
Decimal
81132017
12
Duodecimal
23207495
16
Hexadecimal
4d5f9f1
20
Vigesimal
1571a0h
36
Base36
1caxv5
md5
bba6851813cc7b6f910b6c1d3e4a7385
sha1
b2d9e1807c2e084962830b2e266d2afd1ae8b904
sha256
c232867168c2a02bbc5cf2a1dd639957b8f85d27639db7a6bcfdc9cfe37e228d
sha512
ae45db364706d85931f9c898799ef0436b41191889d43dbc2bc010c54e9309a4d407a29eee0ce7822f3eb0519611e73e4fce0c14d40bedf562f90881f99f9e8b
ripemd-160
d9f12602ddcc0ee8c93438e8990b90a82de7b3b5
Diameter
162264034
Circumference
509767497.15624
Area
2.0679232622664E+16
Volume
2.2369971369186E+24
Surface area
8.2716930490656E+16
Circumference
509767497.15624
Perimeter
324528068
Area
6582404182488289
Diagonal
114737998.78408
Surface area
39494425094929734
Volume
5.3404372803451E+23
Space diagonal
140524775.56454
Perimeter
243396051
Area
2.8502646200059E+15
Altitude
70262387.782271
Surface area
2.8502646200059E+15
Volume
6.2937656923891E+22
Height
38245999.594695