81132007 is an odd 8-digits composite number following 81132006
and preceding 81132008 . In scientific notation, it is written as 8.1132007 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 69417600 positive integers (up to 81132007) that are relatively prime to 81132007.
81132007 has 8 divisors, whose sum is 93714192
The reverse of 81132007 is 70023118
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighty-one million one hundred thirty-two thousand seven
Scientific notation
8.1132007 × 10^7
Engineering notation
8.1132007 × 10^6
Prime Factorization
11 × 17 × 433861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81132007
Product of the distinct prime numbers
The prime factorization of 81132007 is 11 × 17 × 433861.
Since it has a total of 3 prime factors.
5 , 9 , 27 , 95 , 113 , 164 , 5249 , 567 , 53746 , 65884 , 274495 , 128571 , 1155064 , 1783261 , 18433348 , 42181427 , 707198482 , 90048677 , 6038885640 , 5222954236
n×2
162264014
n×3
243396021
n×4
324528028
n×5
405660035
n÷2
40566003.5
n÷3
27044002.333333
n÷3
20283001.75
n÷5
16226401.4
n2
6582402559848049
n3
5.3404353056241E+23
n4
4.3328023459894E+31
n5
3.5152895026443E+39
2 √n
9007.3307366833
3 √n
432.90978924897
4 √n
94.906958315412
5 √n
38.180221525981
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
-81132006
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 81132007 can be divided by 8 positive divisors.
The sum of these divisors (counting 81132007) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011111100111100111
3
Ternary
12122122221012011
4
Quaternary
10311133213213
5
Quinary
131232211012
6
Senary
12014535051
8
Octal
465374747
10
Decimal
81132007
12
Duodecimal
23207487
16
Hexadecimal
4d5f9e7
20
Vigesimal
1571a07
36
Base36
1caxuv
md5
3f85ab4c9cc98c543d0ca19b33ca3921
sha1
106832c003d51890e18c2959e54e5025ec2213e4
sha256
35ce61a4c8c6c32e97a060bcc8e914b072e88df0e143118348e49625b08aacf3
sha512
2899547e05933bf3bc3faec51ed08fc26b933227be9f35074059421fcf47f7636d33285f094d172af9d4c03d1eb429915df379f89fba117d9869ec8021363630
ripemd-160
ddd83bd12a9896a327a7e527d5773b1f070c827b
Diameter
162264014
Circumference
509767434.32439
Area
2.0679227524989E+16
Volume
2.2369963097494E+24
Surface area
8.2716910099957E+16
Circumference
509767434.32439
Perimeter
324528028
Area
6582402559848049
Diagonal
114737984.64195
Surface area
39494415359088294
Volume
5.3404353056241E+23
Space diagonal
140524758.24403
Perimeter
243396021
Area
2.8502639173821E+15
Altitude
70262379.122017
Surface area
2.8502639173821E+15
Volume
6.2937633651581E+22
Height
38245994.88065