91990638 (number)

91990638 is an even 8-digits composite number following 91990637 and preceding 91990639. In scientific notation, it is written as 9.1990638 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 28859712 positive integers (up to 91990638) that are relatively prime to 91990638.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1990638 × 10^7
Engineering notation 9.1990638 × 10^6

Prime Factorization of 91990638

Prime Factorization 2 × 9 × 17 × 300623

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 91990638
Product of the distinct prime numbers

The prime factorization of 91990638 is 2 × 9 × 17 × 300623. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 37, 96, 86, 948, 1949, 782, 1862, 20395, 331440, 2359, 7327321, 4395442, 7366971, 52856524, 993882063, 848042033, 2619040890, 3695834020

Basic calculations (n = 91990638)

Multiplication

n×y
n×2 183981276
n×3 275971914
n×4 367962552
n×5 459953190

Division

n÷y
n÷2 45995319
n÷3 30663546
n÷3 22997659.5
n÷5 18398127.6

Exponentiation

ny
n2 8462277479647044
n3 7.7845030428576E+23
n4 7.1610140142542E+31
n5 6.5874624789818E+39

Nth Root

y√n
2√n 9591.1750062232
3√n 451.42043019668
4√n 97.934544498982
5√n 39.151528890453

Divisors of 91990638

1, 2, 9, 17, 18, 34, 153, 306, 300623, 601246, 2705607, 5110591, 5411214, 10221182, 45995319, 91990638

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91990637
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91990638 can be divided by 16 positive divisors. The sum of these divisors (counting 91990638) is 1, the average is 0.0625.

Base conversion 91990638

Base System Value
2 Binary 101011110111010101001101110
3 Ternary 20102002121102200
4 Quaternary 11132322221232
5 Quinary 142022200023
6 Senary 13043402330
8 Octal 536725156
10 Decimal 91990638
12 Duodecimal 269833a6
16 Hexadecimal 57baa6e
20 Vigesimal 18eigbi
36 Base36 1irofi

Cryptographic Hash Functions

md5 7655edd1db2662238da11093be32ffdc
sha1 f364c45a824c1a1b375cebb1716b8be7e97b2818
sha256 d0bafe036fd815ff6fb4541d8dab104e4169ec69cf15ab2fa066a1d972d207a7
sha512 5672b6a46f60ad7ac1e04e4b9ca1b9b6f2a102e9f1871f0b0902d8e20b6b949b93ca7f27d0cf743dbb15c853061e15cf716a0ff9c1f469284f3923d435f764ab
ripemd-160 f612dcbf6d4a9af908406b0d9d4e4de70088773a

91990638 as geometric shapes

Circle

Radius = n
Diameter 183981276
Circumference 577994225.07968
Area 2.6585028762698E+16

Sphere

Radius = n
Volume 3.2607650095052E+24
Surface area 1.0634011505079E+17
Circumference 577994225.07968

Square

Length = n
Perimeter 367962552
Area 8462277479647044
Diagonal 130094407.87095

Cube

Length = n
Surface area 50773664877882264
Volume 7.7845030428576E+23
Space diagonal 159332458.83668

Equilateral Triangle

Length = n
Perimeter 275971914
Area 3.6642736356236E+15
Altitude 79666229.418338

Triangular Pyramid

Length = n
Surface area 3.6642736356236E+15
Volume 9.1741248162866E+22
Height 43364802.623651