91008087 is an odd 8-digits composite number following 91008086
and preceding 91008088 . In scientific notation, it is written as 9.1008087 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 60672056 positive integers (up to 91008087) that are relatively prime to 91008087.
91008087 has 4 divisors, whose sum is 121344120
The reverse of 91008087 is 78080019
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
ninety-one million eight thousand eighty-seven
Scientific notation
9.1008087 × 10^7
Engineering notation
9.1008087 × 10^6
Prime Factorization
3 × 30336029
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
91008087
Product of the distinct prime numbers
The prime factorization of 91008087 is 3 × 30336029.
Since it has a total of 2 prime factors.
8 , 10 , 55 , 41 , 417 , 57 , 3823 , 3791 , 84157 , 52987 , 449190 , 900491 , 5104152 , 2378308 , 71183567 , 75411257 , 616822245 , 546748016 , 7141446103 , 6064330490
n×2
182016174
n×3
273024261
n×4
364032348
n×5
455040435
n÷2
45504043.5
n÷3
30336029
n÷3
22752021.75
n÷5
18201617.4
n2
8282471899399569
n3
7.5377192319561E+23
n4
6.8599340764344E+31
n5
6.243094772424E+39
2 √n
9539.8158787264
3 √n
449.80746825465
4 √n
97.671981032056
5 √n
39.067533849174
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
-91008086
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 91008087 can be divided by 4 positive divisors.
The sum of these divisors (counting 91008087) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011011001010110001010111
3
Ternary
20100020200121220
4
Quaternary
11123022301113
5
Quinary
141244224322
6
Senary
13010341423
8
Octal
533126127
10
Decimal
91008087
12
Duodecimal
2658a873
16
Hexadecimal
56cac57
20
Vigesimal
188g047
36
Base36
1i6maf
md5
b07cbddd05b31a04ee9c38375bcfa254
sha1
ad72d8fd31833732c047f486cddfe555c56875b8
sha256
56d4406d1eb9eb75b34c9f69b770584462a86f32ee8d0904751aab721f7e7834
sha512
9536d3c3128c60a70b1d02af6cc74f5a8c32659e49833417a38ad4e8028aa9a085605edf6ac35e97ea654f7aaa4b9cf6ba014697a8803d1d3248000eb40508bb
ripemd-160
bb9c8a277747132c14b4bfec66448b81e6bbe724
Diameter
182016174
Circumference
571820675.07292
Area
2.6020152872718E+16
Volume
3.1573924485248E+24
Surface area
1.0408061149087E+17
Circumference
571820675.07292
Perimeter
364032348
Area
8282471899399569
Diagonal
128704870.92103
Surface area
49694831396397414
Volume
7.5377192319561E+23
Space diagonal
157630630.58365
Perimeter
273024261
Area
3.5864155355054E+15
Altitude
78815315.291824
Surface area
3.5864155355054E+15
Volume
8.883287305994E+22
Height
42901623.640344