81352011 is an odd 8-digits composite number following 81352010
and preceding 81352012 . In scientific notation, it is written as 8.1352011 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 48708864 positive integers (up to 81352011) that are relatively prime to 81352011.
81352011 has 16 divisors, whose sum is 119972384
The reverse of 81352011 is 11025318
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
eighty-one million three hundred fifty-two thousand eleven
Scientific notation
8.1352011 × 10^7
Engineering notation
8.1352011 × 10^6
Prime Factorization
3 × 13 × 37 × 56377
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81352011
Product of the distinct prime numbers
The prime factorization of 81352011 is 3 × 13 × 37 × 56377.
Since it has a total of 4 prime factors.
1 , 6 , 53 , 47 , 702 , 473 , 5012 , 2555 , 43572 , 2276 , 981351 , 393565 , 8827186 , 5754906 , 91983819 , 96710033 , 230382218 , 185250525 , 3610872506 , 4325027077
n×2
162704022
n×3
244056033
n×4
325408044
n×5
406760055
n÷2
40676005.5
n÷3
27117337
n÷3
20338002.75
n÷5
16270402.2
n2
6618149693744121
n3
5.3839978668512E+23
n4
4.3799905368805E+31
n5
3.563210383362E+39
2 √n
9019.5349658394
3 √n
433.30074028363
4 √n
94.971232306628
5 √n
38.200905607479
1 , 3 , 13 , 37 , 39 , 111 , 481 , 1443 , 56377 , 169131 , 732901 , 2085949 , 2198703 , 6257847 , 27117337 , 81352011
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81352010
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81352011 can be divided by 16 positive divisors.
The sum of these divisors (counting 81352011) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110010101010101001011
3
Ternary
12200002002222110
4
Quaternary
10312111111023
5
Quinary
131311231021
6
Senary
12023353403
8
Octal
466252513
10
Decimal
81352011
12
Duodecimal
232b2863
16
Hexadecimal
4d9554b
20
Vigesimal
158900b
36
Base36
1cfnm3
md5
f00a3c00816fbe2b9e852de2f243adba
sha1
c38d82b5d1fdc022d1804ab39903e079936f506d
sha256
08dc6648814a5611404c6d9f610cda3bf31c86d540fcf3eba0660d826cb8fb69
sha512
3d71be13d33f36ab217dd561dd5942ab5ee45563227979915c6e9989b942a438e34aaefabbd5c04b7e5a8866856a04cb503fbe038820bdfe3c362a6d070dc883
ripemd-160
3e93f4b167dccf2e7b01978a339448d2fe6d3fe8
Diameter
162704022
Circumference
511149760.22471
Area
2.0791530458224E+16
Volume
2.2552437527257E+24
Surface area
8.3166121832896E+16
Circumference
511149760.22471
Perimeter
325408044
Area
6618149693744121
Diagonal
115049117.28253
Surface area
39708898162464726
Volume
5.3839978668512E+23
Space diagonal
140905816.3499
Perimeter
244056033
Area
2.8657428804153E+15
Altitude
70452908.174951
Surface area
2.8657428804153E+15
Volume
6.3451023359073E+22
Height
38349705.760842