91081489 is an odd 8-digits composite number following 91081488
and preceding 91081490 . In scientific notation, it is written as 9.1081489 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 87940720 positive integers (up to 91081489) that are relatively prime to 91081489.
91081489 has 4 divisors, whose sum is 94222260
The reverse of 91081489 is 98418019
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
ninety-one million eighty-one thousand four hundred eighty-nine
Scientific notation
9.1081489 × 10^7
Engineering notation
9.1081489 × 10^6
Prime Factorization
29 × 3140741
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
91081489
Product of the distinct prime numbers
The prime factorization of 91081489 is 29 × 3140741.
Since it has a total of 2 prime factors.
2 , 5 , 99 , 59 , 377 , 312 , 4550 , 679 , 6877 , 57275 , 470301 , 437502 , 8709023 , 6381797 , 99905331 , 39850320 , 753206093 , 240343507 , 4462180921 , 5114021456
n×2
182162978
n×3
273244467
n×4
364325956
n×5
455407445
n÷2
45540744.5
n÷3
30360496.333333
n÷3
22770372.25
n÷5
18216297.8
n2
8295837638457121
n3
7.5559724461292E+23
n4
6.8820922123642E+31
n5
6.2683120613743E+39
2 √n
9543.6622425566
3 √n
449.92836555202
4 √n
97.691669258727
5 √n
39.07383375177
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
-91081488
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 91081489 can be divided by 4 positive divisors.
The sum of these divisors (counting 91081489) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011011011100101100010001
3
Ternary
20100101102022111
4
Quaternary
11123130230101
5
Quinary
141304101424
6
Senary
13012105321
8
Octal
533345421
10
Decimal
91081489
12
Duodecimal
26605241
16
Hexadecimal
56dcb11
20
Vigesimal
18953e9
36
Base36
1i86xd
md5
dfc851e451b6d9219b48a0bfbd1828bb
sha1
9dc06cb887565599a3a7cf98cf8cdd748aabe453
sha256
ab4b6530415db6658a0ad8a2a207f678120fda5cbb3837e6e626d9fbcb372d0b
sha512
1d97587ffc439551669c8eeffe192f8c404d3f4340e087df6f197952edda623af98f4a07c52f0c80abc65ac8e302c9946e4c5baa7ef833e51f68c67d88b590e9
ripemd-160
8d785021469324e322bb9a0029b0c1a0dcf68ed7
Diameter
182162978
Circumference
572281873.44084
Area
2.6062142580351E+16
Volume
3.1650383369982E+24
Surface area
1.042485703214E+17
Circumference
572281873.44084
Perimeter
364325956
Area
8295837638457121
Diagonal
128808677.02494
Surface area
49775025830742726
Volume
7.5559724461292E+23
Space diagonal
157757766.57703
Perimeter
273244467
Area
3.5922030702875E+15
Altitude
78878883.288513
Surface area
3.5922030702875E+15
Volume
8.9047989251944E+22
Height
42936225.674979