81008097 is an odd 8-digits composite number following 81008096
and preceding 81008098 . In scientific notation, it is written as 8.1008097 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 54005396 positive integers (up to 81008097) that are relatively prime to 81008097.
81008097 has 4 divisors, whose sum is 108010800
The reverse of 81008097 is 79080018
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million eight thousand ninety-seven
Scientific notation
8.1008097 × 10^7
Engineering notation
8.1008097 × 10^6
Prime Factorization
3 × 27002699
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81008097
Product of the distinct prime numbers
The prime factorization of 81008097 is 3 × 27002699.
Since it has a total of 2 prime factors.
2 , 9 , 83 , 20 , 352 , 455 , 4972 , 4086 , 32941 , 21592 , 377885 , 822046 , 5519381 , 7717632 , 4460569 , 19266138 , 354045418 , 682586255 , 8803704264 , 1087733411
n×2
162016194
n×3
243024291
n×4
324032388
n×5
405040485
n÷2
40504048.5
n÷3
27002699
n÷3
20252024.25
n÷5
16201619.4
n2
6562311779561409
n3
5.3160038918295E+23
n4
4.306393589217E+31
n5
3.4885274959547E+39
2 √n
9000.4498220922
3 √n
432.68928776589
4 √n
94.870700546018
5 √n
38.16855213873
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
-81008096
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 81008097 can be divided by 4 positive divisors.
The sum of these divisors (counting 81008097) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101000001010111100001
3
Ternary
12122102122012220
4
Quaternary
10311001113201
5
Quinary
131214224342
6
Senary
12012141253
8
Octal
465012741
10
Decimal
81008097
12
Duodecimal
23167829
16
Hexadecimal
4d415e1
20
Vigesimal
156604h
36
Base36
1c8a8x
md5
e400ab9e61f58aa9ec6ff0fdc8096f2e
sha1
38447ed63c6c02a0df1fed19757cd3f06b36bbf2
sha256
ffb874ec93d0e124526e6e14328be436c5b7790db0452fff2d96cecf1a2d8bf3
sha512
12673d37c4dcff068f476da20f34e2c587fc1ec932e29cd7dedf0ba57644b7101d8b56921153948312ef69a3a8ba21e9ca2239649da51e83a08cbf9019585070
ripemd-160
323b7d9bae522a1f9349608b4a5c1cad7a6dd594
Diameter
162016194
Circumference
508988884.83298
Area
2.0616110477236E+16
Volume
2.2267625030702E+24
Surface area
8.2464441908944E+16
Circumference
508988884.83298
Perimeter
324032388
Area
6562311779561409
Diagonal
114562749.43944
Surface area
39373870677368454
Volume
5.3160038918295E+23
Space diagonal
140310139.82847
Perimeter
243024291
Area
2.841564354327E+15
Altitude
70155069.914234
Surface area
2.841564354327E+15
Volume
6.2649706678779E+22
Height
38187583.146478