91085005 is an odd 8-digits composite number following 91085004
and preceding 91085006 . In scientific notation, it is written as 9.1085005 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 64991680 positive integers (up to 91085005) that are relatively prime to 91085005.
91085005 has 16 divisors, whose sum is 121492224
The reverse of 91085005 is 50058019
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
ninety-one million eighty-five thousand five
Scientific notation
9.1085005 × 10^7
Engineering notation
9.1085005 × 10^6
Prime Factorization
5 × 11 × 53 × 31247
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91085005
Product of the distinct prime numbers
The prime factorization of 91085005 is 5 × 11 × 53 × 31247.
Since it has a total of 4 prime factors.
3 , 9 , 27 , 34 , 630 , 7 , 4564 , 9932 , 14753 , 66177 , 288321 , 529680 , 2695537 , 1282565 , 66186088 , 40712090 , 593398288 , 731583182 , 693194946 , 6512885742
n×2
182170010
n×3
273255015
n×4
364340020
n×5
455425025
n÷2
45542502.5
n÷3
30361668.333333
n÷3
22771251.25
n÷5
18217001
n2
8296478135850025
n3
7.5568475248629E+23
n4
6.8831549458638E+31
n5
6.2695220265977E+39
2 √n
9543.8464467949
3 √n
449.93415497493
4 √n
97.692612037937
5 √n
39.074135418947
1 , 5 , 11 , 53 , 55 , 265 , 583 , 2915 , 31247 , 156235 , 343717 , 1656091 , 1718585 , 8280455 , 18217001 , 91085005
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
-91085004
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 91085005 can be divided by 16 positive divisors.
The sum of these divisors (counting 91085005) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011011011101100011001101
3
Ternary
20100101121010201
4
Quaternary
11123131203031
5
Quinary
141304210010
6
Senary
13012133501
8
Octal
533354315
10
Decimal
91085005
12
Duodecimal
26607291
16
Hexadecimal
56dd8cd
20
Vigesimal
1895ca5
36
Base36
1i89n1
md5
5b66680776ed17830a12fa78682e88fa
sha1
7e0481600ad530fdd28c36df8f30c2601799c274
sha256
0ab9f10d1457192c27e126aad72ce44cb4f687ccf05d60fc4e4d1e881a0cbe34
sha512
6b773311ace3d5012f854acbd35df473c2824cb1641a942dd0fc189763db149379fbba98282335e890a9ee0eb08c7a0fb03ca36e81a1ed699835ed7af605d1b0
ripemd-160
e032d0d19a720650cd6c844d80ee496f52a5a02b
Diameter
182170010
Circumference
572303965.12038
Area
2.6064154762255E+16
Volume
3.165404889121E+24
Surface area
1.0425661904902E+17
Circumference
572303965.12038
Perimeter
364340020
Area
8296478135850025
Diagonal
128813649.39982
Surface area
49778868815100150
Volume
7.5568475248629E+23
Space diagonal
157763856.46767
Perimeter
273255015
Area
3.5924804137941E+15
Altitude
78881928.233833
Surface area
3.5924804137941E+15
Volume
8.9058302153722E+22
Height
42937883.133274