81062011 is an odd 8-digits composite number following 81062010
and preceding 81062012 . In scientific notation, it is written as 8.1062011 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 80881024 positive integers (up to 81062011) that are relatively prime to 81062011.
81062011 has 4 divisors, whose sum is 81243000
The reverse of 81062011 is 11026018
Previous prime number is 449
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
eighty-one million sixty-two thousand eleven
Scientific notation
8.1062011 × 10^7
Engineering notation
8.1062011 × 10^6
Prime Factorization
449 × 180539
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81062011
Product of the distinct prime numbers
The prime factorization of 81062011 is 449 × 180539.
Since it has a total of 2 prime factors.
5 , 7 , 62 , 90 , 694 , 538 , 9320 , 8821 , 39852 , 83172 , 747591 , 354594 , 9432933 , 5941653 , 51302556 , 72389571 , 265587743 , 539583621 , 5159110097 , 8742428949
n×2
162124022
n×3
243186033
n×4
324248044
n×5
405310055
n÷2
40531005.5
n÷3
27020670.333333
n÷3
20265502.75
n÷5
16212402.2
n2
6571049627364121
n3
5.3266249717494E+23
n4
4.3178693205282E+31
n5
3.5001517035722E+39
2 √n
9003.4443964518
3 √n
432.78525692539
4 √n
94.886481631747
5 √n
38.173631314248
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
-81062010
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 81062011 can be divided by 4 positive divisors.
The sum of these divisors (counting 81062011) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101001110100001111011
3
Ternary
12122112101011201
4
Quaternary
10311032201323
5
Quinary
131222441021
6
Senary
12013235031
8
Octal
465164173
10
Decimal
81062011
12
Duodecimal
23192a77
16
Hexadecimal
4d4e87b
20
Vigesimal
156cf0b
36
Base36
1c9fuj
md5
0cc11b8f8a9f0598dab3e17b015c5703
sha1
faff1746a6721807c1eb69873f42a56fd9b9eee7
sha256
0a6a55693f88d9484bd905d5c0a2787e411eed53439822bfb6408c89980dd15f
sha512
1611cfd2a6fc04fcf3feb9dcfee7c60dc5f688d9343101ee5f5b1d559598784046009372ccc989460c4ab22abfd0328aace2fdb54b017672a0494664865c37ae
ripemd-160
637a242e53ab7bbf171832ae1220554a89930f77
Diameter
162124022
Circumference
509327636.48563
Area
2.0643561235701E+16
Volume
2.2312114506234E+24
Surface area
8.2574244942804E+16
Circumference
509327636.48563
Perimeter
324248044
Area
6571049627364121
Diagonal
114638995.34944
Surface area
39426297764184726
Volume
5.3266249717494E+23
Space diagonal
140403521.61571
Perimeter
243186033
Area
2.8453479534128E+15
Altitude
70201760.807854
Surface area
2.8453479534128E+15
Volume
6.2774877306026E+22
Height
38212998.449812