91072561 (number)

91072561 is an odd 8-digits composite number following 91072560 and preceding 91072562. In scientific notation, it is written as 9.1072561 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 91049572 positive integers (up to 91072561) that are relatively prime to 91072561.

Interesting facts

Basic properties

Name

Name ninety-one million seventy-two thousand five hundred sixty-one

Notation

Scientific notation 9.1072561 × 10^7
Engineering notation 9.1072561 × 10^6

Prime Factorization of 91072561

Prime Factorization 5087 × 17903

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 91072561
Product of the distinct prime numbers

The prime factorization of 91072561 is 5087 × 17903. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91072561)

Multiplication

n×y
n×2 182145122
n×3 273217683
n×4 364290244
n×5 455362805

Division

n÷y
n÷2 45536280.5
n÷3 30357520.333333
n÷3 22768140.25
n÷5 18214512.2

Exponentiation

ny
n2 8294211367098721
n3 7.5537507067699E+23
n4 6.879394220211E+31
n5 6.2652404976321E+39

Nth Root

y√n
2√n 9543.1944861247
3√n 449.9136640953
4√n 97.689275184765
5√n 39.073067701785

Divisors of 91072561

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 -91072560
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 91072561 can be divided by 4 positive divisors. The sum of these divisors (counting 91072561) is 1, the average is 0.25.

Base conversion 91072561

Base System Value
2 Binary 101011011011010100000110001
3 Ternary 20100100222001211
4 Quaternary 11123122200301
5 Quinary 141303310221
6 Senary 13012000121
8 Octal 533324061
10 Decimal 91072561
12 Duodecimal 26600041
16 Hexadecimal 56da831
20 Vigesimal 1894181
36 Base36 1i801d

Cryptographic Hash Functions

md5 7e762800f907e8c118bb78e5625d0ea3
sha1 f0db0521244c599cac3a95576e03ce954551ecae
sha256 de5db29e9bd191152e06f15299e2d7104bf0b74be1660367e017a04cd022cfd8
sha512 0f0f6f2a7951df7142f27cfe1f649fe90686e82a95bb0515d2f930e4daaf27c3aaff3658c8d4711411fdfd02963faa3e897270ea82e73a698badb9ac42bf5945
ripemd-160 01d4354bd0cc53d9889fa90b87b75ae88ca1ccb2

91072561 as geometric shapes

Circle

Radius = n
Diameter 182145122
Circumference 572225777.16242
Area 2.6057033498198E+16

Sphere

Radius = n
Volume 3.1641076969916E+24
Surface area 1.0422813399279E+17
Circumference 572225777.16242

Square

Length = n
Perimeter 364290244
Area 8294211367098721
Diagonal 128796050.92625

Cube

Length = n
Surface area 49765268202592326
Volume 7.5537507067699E+23
Space diagonal 157742302.82742

Equilateral Triangle

Length = n
Perimeter 273217683
Area 3.5914988741326E+15
Altitude 78871151.413708

Triangular Pyramid

Length = n
Surface area 3.5914988741326E+15
Volume 8.9021805802495E+22
Height 42932016.975417