91081489 (number)

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.

Interesting facts

Basic properties

Name

Name ninety-one million eighty-one thousand four hundred eighty-nine

Notation

Scientific notation 9.1081489 × 10^7
Engineering notation 9.1081489 × 10^6

Prime Factorization of 91081489

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.

Most popular turbo-numbers

Basic calculations (n = 91081489)

Multiplication

n×y
n×2 182162978
n×3 273244467
n×4 364325956
n×5 455407445

Division

n÷y
n÷2 45540744.5
n÷3 30360496.333333
n÷3 22770372.25
n÷5 18216297.8

Exponentiation

ny
n2 8295837638457121
n3 7.5559724461292E+23
n4 6.8820922123642E+31
n5 6.2683120613743E+39

Nth Root

y√n
2√n 9543.6622425566
3√n 449.92836555202
4√n 97.691669258727
5√n 39.07383375177

Divisors of 91081489

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 conversion 91081489

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

Cryptographic Hash Functions

md5 dfc851e451b6d9219b48a0bfbd1828bb
sha1 9dc06cb887565599a3a7cf98cf8cdd748aabe453
sha256 ab4b6530415db6658a0ad8a2a207f678120fda5cbb3837e6e626d9fbcb372d0b
sha512 1d97587ffc439551669c8eeffe192f8c404d3f4340e087df6f197952edda623af98f4a07c52f0c80abc65ac8e302c9946e4c5baa7ef833e51f68c67d88b590e9
ripemd-160 8d785021469324e322bb9a0029b0c1a0dcf68ed7

91081489 as geometric shapes

Circle

Radius = n
Diameter 182162978
Circumference 572281873.44084
Area 2.6062142580351E+16

Sphere

Radius = n
Volume 3.1650383369982E+24
Surface area 1.042485703214E+17
Circumference 572281873.44084

Square

Length = n
Perimeter 364325956
Area 8295837638457121
Diagonal 128808677.02494

Cube

Length = n
Surface area 49775025830742726
Volume 7.5559724461292E+23
Space diagonal 157757766.57703

Equilateral Triangle

Length = n
Perimeter 273244467
Area 3.5922030702875E+15
Altitude 78878883.288513

Triangular Pyramid

Length = n
Surface area 3.5922030702875E+15
Volume 8.9047989251944E+22
Height 42936225.674979