91081471 is an odd 8-digits composite number following 91081470
and preceding 91081472 . In scientific notation, it is written as 9.1081471 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 83885760 positive integers (up to 91081471) that are relatively prime to 91081471.
91081471 has 8 divisors, whose sum is 98308784
The reverse of 91081471 is 17418019
Previous prime number is 457
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
ninety-one million eighty-one thousand four hundred seventy-one
Scientific notation
9.1081471 × 10^7
Engineering notation
9.1081471 × 10^6
Prime Factorization
13 × 457 × 15331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
91081471
Product of the distinct prime numbers
The prime factorization of 91081471 is 13 × 457 × 15331.
Since it has a total of 3 prime factors.
7 , 4 , 70 , 88 , 920 , 227 , 1298 , 2307 , 88408 , 10597 , 873880 , 823863 , 7780646 , 3263375 , 17724218 , 71799728 , 114905669 , 692150481 , 406842539 , 3870461206
n×2
182162942
n×3
273244413
n×4
364325884
n×5
455407355
n÷2
45540735.5
n÷3
30360490.333333
n÷3
22770367.75
n÷5
18216294.2
n2
8295834359523841
n3
7.5559679663777E+23
n4
6.8820867720656E+31
n5
6.2683058674938E+39
2 √n
9543.6612995223
3 √n
449.92833591295
4 √n
97.691664432142
5 √n
39.073832207375
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
-91081470
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 91081471 can be divided by 8 positive divisors.
The sum of these divisors (counting 91081471) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011011011100101011111111
3
Ternary
20100101102021211
4
Quaternary
11123130223333
5
Quinary
141304101341
6
Senary
13012105251
8
Octal
533345377
10
Decimal
91081471
12
Duodecimal
26605227
16
Hexadecimal
56dcaff
20
Vigesimal
18953db
36
Base36
1i86wv
md5
e057a1fea76108b8f87377b101ae9d0d
sha1
5d5e76a61fa6f3658b8381eeadc1530ac58f01b3
sha256
2b4a7b3b9c769f6d6558e04f7ef2669d1d51497ef341397812b10fdb4161d74d
sha512
0f93705a0e75a58e77ab8f3d113be8a428ed578e9f0ebe9000423d394f64efca294adce20dfa6e1e6d0d51153acc85c9da97e026823683615d66c1f139bcbdc5
ripemd-160
3b2a8384d77af4d91441389ade6383079e77a734
Diameter
182162942
Circumference
572281760.3435
Area
2.6062132279278E+16
Volume
3.1650364605243E+24
Surface area
1.0424852911711E+17
Circumference
572281760.3435
Perimeter
364325884
Area
8295834359523841
Diagonal
128808651.56909
Surface area
49775006157143046
Volume
7.5559679663777E+23
Space diagonal
157757735.40011
Perimeter
273244413
Area
3.5922016504677E+15
Altitude
78878867.700056
Surface area
3.5922016504677E+15
Volume
8.9047936457567E+22
Height
42936217.189697