91993987 (number)

91993987 is an odd 8-digits composite number following 91993986 and preceding 91993988. In scientific notation, it is written as 9.1993987 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 86439552 positive integers (up to 91993987) that are relatively prime to 91993987.

Interesting facts

Basic properties

Name

Name ninety-one million nine hundred ninety-three thousand nine hundred eighty-seven

Notation

Scientific notation 9.1993987 × 10^7
Engineering notation 9.1993987 × 10^6

Prime Factorization of 91993987

Prime Factorization 17 × 653 × 8287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 91993987
Product of the distinct prime numbers

The prime factorization of 91993987 is 17 × 653 × 8287. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 10, 4, 15, 682, 677, 7793, 8850, 61090, 15062, 828942, 69203, 3819608, 5223116, 37025202, 96499574, 851925128, 121211464, 9453927497, 1391763664

Basic calculations (n = 91993987)

Multiplication

n×y
n×2 183987974
n×3 275981961
n×4 367975948
n×5 459969935

Division

n÷y
n÷2 45996993.5
n÷3 30664662.333333
n÷3 22998496.75
n÷5 18398797.4

Exponentiation

ny
n2 8462893644156169
n3 7.7853532788289E+23
n4 7.1620568832299E+31
n5 6.5886616780911E+39

Nth Root

y√n
2√n 9591.3495922107
3√n 451.42590824933
4√n 97.935435835098
5√n 39.151813955464

Divisors of 91993987

1, 17, 653, 8287, 11101, 140879, 5411411, 91993987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -91993986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 91993987 can be divided by 8 positive divisors. The sum of these divisors (counting 91993987) is 1, the average is 0.125.

Base conversion 91993987

Base System Value
2 Binary 101011110111011011110000011
3 Ternary 20102002210000201
4 Quaternary 11132323132003
5 Quinary 142022301422
6 Senary 13043430031
8 Octal 536733603
10 Decimal 91993987
12 Duodecimal 26985317
16 Hexadecimal 57bb783
20 Vigesimal 18ej4j7
36 Base36 1irr0j

Cryptographic Hash Functions

md5 f6d7be10a17cfe48e457e5e60027f626
sha1 65b0893833a377d46bee85b0e6921b60b600b3d6
sha256 2507355a598b05a04ea423ba273d2bbf30b8d9eb056e983be8a918244e749f25
sha512 56dec9910b64fc76dde75bff761a3522a487a4644e9889033c5a5c2d7e0d9b923e35f8162195059a7b502bef8f4635f0f884c4ac40019e7f39e855106eb1d2aa
ripemd-160 32311763c6992e305cc870282b4d804b827afd32

91993987 as geometric shapes

Circle

Radius = n
Diameter 183987974
Circumference 578015267.46727
Area 2.6586964500593E+16

Sphere

Radius = n
Volume 3.261121155516E+24
Surface area 1.0634785800237E+17
Circumference 578015267.46727

Square

Length = n
Perimeter 367975948
Area 8462893644156169
Diagonal 130099144.07217

Cube

Length = n
Surface area 50777361864937014
Volume 7.7853532788289E+23
Space diagonal 159338259.47483

Equilateral Triangle

Length = n
Perimeter 275981961
Area 3.6645404426826E+15
Altitude 79669129.737415

Triangular Pyramid

Length = n
Surface area 3.6645404426826E+15
Volume 9.175126828988E+22
Height 43366381.357391