81162011 is an odd 8-digits composite number following 81162010
and preceding 81162012 . In scientific notation, it is written as 8.1162011 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 69523200 positive integers (up to 81162011) that are relatively prime to 81162011.
81162011 has 8 divisors, whose sum is 92815584
The reverse of 81162011 is 11026118
Previous prime number is 2273
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
eighty-one million one hundred sixty-two thousand eleven
Scientific notation
8.1162011 × 10^7
Engineering notation
8.1162011 × 10^6
Prime Factorization
7 × 2273 × 5101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81162011
Product of the distinct prime numbers
The prime factorization of 81162011 is 7 × 2273 × 5101.
Since it has a total of 3 prime factors.
7 , 5 , 60 , 76 , 804 , 150 , 9835 , 1104 , 7768 , 65252 , 243959 , 954861 , 8363316 , 4324672 , 84002195 , 13791814 , 757024793 , 233456141 , 4146784302 , 8609405179
n×2
162324022
n×3
243486033
n×4
324648044
n×5
405810055
n÷2
40581005.5
n÷3
27054003.666667
n÷3
20290502.75
n÷5
16232402.2
n2
6587272029564121
n3
5.3463624492348E+23
n4
4.3392152791478E+31
n5
3.5217943821756E+39
2 √n
9008.9961149953
3 √n
432.96314847976
4 √n
94.915731651794
5 √n
38.183045047764
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
-81162010
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 81162011 can be divided by 8 positive divisors.
The sum of these divisors (counting 81162011) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101100110111100011011
3
Ternary
12122201110100102
4
Quaternary
10311212330123
5
Quinary
131234141021
6
Senary
12015330015
8
Octal
465467433
10
Decimal
81162011
12
Duodecimal
2322090b
16
Hexadecimal
4d66f1b
20
Vigesimal
157550b
36
Base36
1cbl0b
md5
84d4cc3963c241171d15a847eacc9f9b
sha1
03161eded19d226335d4a8f94f13d3356bcf16d8
sha256
280d9b63a0449b17339d3b18ef06f0547ee00375afa5fbe5de3f16243d6ce4cd
sha512
1e07f6c3a49c4fa798a69d74da9d92dc65f6f9b39a6933b495e769f00f8190e8473af2200f447e989a440445ff1bd657065ac5b61f90cc2f7c8fdd45e0d708d8
ripemd-160
889629888af4f05b96b92a98af2ab04363cd2b72
Diameter
162324022
Circumference
509955955.01635
Area
2.0694525415276E+16
Volume
2.2394790658592E+24
Surface area
8.2778101661105E+16
Circumference
509955955.01635
Perimeter
324648044
Area
6587272029564121
Diagonal
114780416.70567
Surface area
39523632177384726
Volume
5.3463624492348E+23
Space diagonal
140576726.69646
Perimeter
243486033
Area
2.8523724596206E+15
Altitude
70288363.348232
Surface area
2.8523724596206E+15
Volume
6.3007485708917E+22
Height
38260138.901891