91008085 is an odd 8-digits composite number following 91008084
and preceding 91008086 . In scientific notation, it is written as 9.1008085 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 62405520 positive integers (up to 91008085) that are relatively prime to 91008085.
91008085 has 8 divisors, whose sum is 124811136
The reverse of 91008085 is 58080019
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
ninety-one million eight thousand eighty-five
Scientific notation
9.1008085 × 10^7
Engineering notation
9.1008085 × 10^6
Prime Factorization
5 × 7 × 2600231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
91008085
Product of the distinct prime numbers
The prime factorization of 91008085 is 5 × 7 × 2600231.
Since it has a total of 3 prime factors.
8 , 10 , 47 , 55 , 75 , 55 , 9810 , 7336 , 91096 , 62355 , 680662 , 841416 , 9308245 , 511498 , 76243700 , 87853436 , 157040730 , 399163302 , 9068849143 , 5825311476
n×2
182016170
n×3
273024255
n×4
364032340
n×5
455040425
n÷2
45504042.5
n÷3
30336028.333333
n÷3
22752021.25
n÷5
18201617
n2
8282471535367225
n3
7.5377187350078E+23
n4
6.8599334734168E+31
n5
6.2430940864306E+39
2 √n
9539.8157739026
3 √n
449.80746495965
4 √n
97.671980495445
5 √n
39.067533677464
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
-91008084
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 91008085 can be divided by 8 positive divisors.
The sum of these divisors (counting 91008085) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011011001010110001010101
3
Ternary
20100020200121211
4
Quaternary
11123022301111
5
Quinary
141244224320
6
Senary
13010341421
8
Octal
533126125
10
Decimal
91008085
12
Duodecimal
2658a871
16
Hexadecimal
56cac55
20
Vigesimal
188g045
36
Base36
1i6mad
md5
dd3e146c485169327893aa09f8caaa5a
sha1
a275e609e829e727e6032cdf34234fdb4fb6d23e
sha256
b4222be3daf13a4d55b94e08f8f037ccfd7f28be95d3964a97a4add9da0fb445
sha512
63cb7e47c6721ee1adc8683d90584c9325b2920ce067d13e644718b999473ae641ad04af578590534f2bcd9cf3f13b0c23ee5cb9075bf943a6a470e451eaba51
ripemd-160
e43d40509579c7a35ce494cde115efe2baeb13d5
Diameter
182016170
Circumference
571820662.50655
Area
2.6020151729076E+16
Volume
3.1573922403636E+24
Surface area
1.040806069163E+17
Circumference
571820662.50655
Perimeter
364032340
Area
8282471535367225
Diagonal
128704868.0926
Surface area
49694829212203350
Volume
7.5377187350078E+23
Space diagonal
157630627.11955
Perimeter
273024255
Area
3.5864153778748E+15
Altitude
78815313.559774
Surface area
3.5864153778748E+15
Volume
8.8832867203348E+22
Height
42901622.697534