91990908 (number)

91990908 is an even 8-digits composite number following 91990907 and preceding 91990909. In scientific notation, it is written as 9.1990908 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 30663624 positive integers (up to 91990908) that are relatively prime to 91990908.

Interesting facts

Basic properties

Name

Name ninety-one million nine hundred ninety thousand nine hundred eight

Notation

Scientific notation 9.1990908 × 10^7
Engineering notation 9.1990908 × 10^6

Prime Factorization of 91990908

Prime Factorization 2 × 2 × 9 × 2555303

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 45995454
Product of the distinct prime numbers

The prime factorization of 91990908 is 2 × 2 × 9 × 2555303. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 57, 30, 596, 108, 8863, 5814, 89062, 28879, 161529, 941299, 9527536, 5215232, 79485433, 61753988, 947092027, 537925143, 8086473170, 9123442919

Basic calculations (n = 91990908)

Multiplication

n×y
n×2 183981816
n×3 275972724
n×4 367963632
n×5 459954540

Division

n÷y
n÷2 45995454
n÷3 30663636
n÷3 22997727
n÷5 18398181.6

Exponentiation

ny
n2 8462327154664464
n3 7.7845715875064E+23
n4 7.1610980872572E+31
n5 6.5875591532385E+39

Nth Root

y√n
2√n 9591.189081652
3√n 451.42087184814
4√n 97.934616360366
5√n 39.15155187301

Divisors of 91990908

1, 2, 4, 9, 18, 36, 2555303, 5110606, 10221212, 22997727, 45995454, 91990908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91990907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91990908 can be divided by 12 positive divisors. The sum of these divisors (counting 91990908) is 1, the average is 0.083333333333333.

Base conversion 91990908

Base System Value
2 Binary 101011110111010101101111100
3 Ternary 20102002121210200
4 Quaternary 11132322231330
5 Quinary 142022202113
6 Senary 13043403500
8 Octal 536725574
10 Decimal 91990908
12 Duodecimal 26983590
16 Hexadecimal 57bab7c
20 Vigesimal 18eih58
36 Base36 1iron0

Cryptographic Hash Functions

md5 eedc761e74a99edad4586475990a7941
sha1 04934679848b4dcbcbfe60ca45859ab90225ddbb
sha256 14f7cadf68012de3e762e481060c53bf7826c44e300b10fd83aab7436df5ec6e
sha512 905a186e023ccb71f633b7b5f8a28974d95806f7351ed47675648d687940b7d78f08b05eb39ac8722ee5c10c9bbc378e8489c2d892259e3fd554f2cc6692cdc8
ripemd-160 028367093d6cc5aaa36daa4673f2dfeb5f7458bc

91990908 as geometric shapes

Circle

Radius = n
Diameter 183981816
Circumference 577995921.53971
Area 2.6585184821367E+16

Sphere

Radius = n
Volume 3.2607937214205E+24
Surface area 1.0634073928547E+17
Circumference 577995921.53971

Square

Length = n
Perimeter 367963632
Area 8462327154664464
Diagonal 130094789.70862

Cube

Length = n
Surface area 50773962927986784
Volume 7.7845715875064E+23
Space diagonal 159332926.49039

Equilateral Triangle

Length = n
Perimeter 275972724
Area 3.6642951455372E+15
Altitude 79666463.245197

Triangular Pyramid

Length = n
Surface area 3.6642951455372E+15
Volume 9.1742055969298E+22
Height 43364929.902872