81104051 is an odd 8-digits composite number following 81104050
and preceding 81104052 . In scientific notation, it is written as 8.1104051 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 69100488 positive integers (up to 81104051) that are relatively prime to 81104051.
81104051 has 8 divisors, whose sum is 93246720
The reverse of 81104051 is 15040118
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
eighty-one million one hundred four thousand fifty-one
Scientific notation
8.1104051 × 10^7
Engineering notation
8.1104051 × 10^6
Prime Factorization
7 × 167 × 69379
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81104051
Product of the distinct prime numbers
The prime factorization of 81104051 is 7 × 167 × 69379.
Since it has a total of 3 prime factors.
7 , 7 , 28 , 93 , 948 , 344 , 3945 , 7051 , 89615 , 7502 , 386240 , 554934 , 1057418 , 7783631 , 4599263 , 25952243 , 319620344 , 2255648 , 1532816769 , 4239190140
n×2
162208102
n×3
243312153
n×4
324416204
n×5
405520255
n÷2
40552025.5
n÷3
27034683.666667
n÷3
20276012.75
n÷5
16220810.2
n2
6577867088610601
n3
5.334916678259E+23
n4
4.3268335435427E+31
n5
3.5092372838399E+39
2 √n
9005.7787558878
3 √n
432.86006034894
4 √n
94.898781635424
5 √n
38.177589979055
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
-81104050
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 81104051 can be divided by 8 positive divisors.
The sum of these divisors (counting 81104051) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011000110010110011
3
Ternary
12122121111211202
4
Quaternary
10311120302303
5
Quinary
131230312201
6
Senary
12014201415
8
Octal
465306263
10
Decimal
81104051
12
Duodecimal
231b326b
16
Hexadecimal
4d58cb3
20
Vigesimal
156i02b
36
Base36
1cacab
md5
d753e83572bcde6a7e8b072c1e8790c9
sha1
efd71106b2186082dba5224eb21d6abf80057ee9
sha256
32d9a996fa1a39a801f875739dee3fb3e9897e32358d4275836f502ed0c77a40
sha512
bc50906548f35e64cf412472b327a40afdc042205aa75c499da049c344a84dec0f1b01080dad102df56afd80cec2eb14dd895c678d12a09bf38aff84a9bd4a78
ripemd-160
25ed619f818f8cdb0dfa5e6b62160e77af249702
Diameter
162208102
Circumference
509591781.59594
Area
2.0664978921869E+16
Volume
2.2346846725243E+24
Surface area
8.2659915687477E+16
Circumference
509591781.59594
Perimeter
324416204
Area
6577867088610601
Diagonal
114698448.8876
Surface area
39467202531663606
Volume
5.334916678259E+23
Space diagonal
140476337.03166
Perimeter
243312153
Area
2.8483000007272E+15
Altitude
70238168.515829
Surface area
2.8483000007272E+15
Volume
6.2872596004369E+22
Height
38232816.295866