91993989 (number)

91993989 is an odd 8-digits composite number following 91993988 and preceding 91993990. In scientific notation, it is written as 9.1993989 × 10^7. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 61329324 positive integers (up to 91993989) that are relatively prime to 91993989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1993989 × 10^7
Engineering notation 9.1993989 × 10^6

Prime Factorization of 91993989

Prime Factorization 3 × 30664663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 91993989
Product of the distinct prime numbers

The prime factorization of 91993989 is 3 × 30664663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91993989)

Multiplication

n×y
n×2 183987978
n×3 275981967
n×4 367975956
n×5 459969945

Division

n÷y
n÷2 45996994.5
n÷3 30664663
n÷3 22998497.25
n÷5 18398797.8

Exponentiation

ny
n2 8462894012132121
n3 7.7853537866025E+23
n4 7.1620575060582E+31
n5 6.5886623942968E+39

Nth Root

y√n
2√n 9591.3496964713
3√n 451.42591152075
4√n 97.935436367391
5√n 39.1518141257

Divisors of 91993989

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 -91993988
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 91993989 can be divided by 4 positive divisors. The sum of these divisors (counting 91993989) is 1, the average is 0.25.

Base conversion 91993989

Base System Value
2 Binary 101011110111011011110000101
3 Ternary 20102002210000210
4 Quaternary 11132323132011
5 Quinary 142022301424
6 Senary 13043430033
8 Octal 536733605
10 Decimal 91993989
12 Duodecimal 26985319
16 Hexadecimal 57bb785
20 Vigesimal 18ej4j9
36 Base36 1irr0l

Cryptographic Hash Functions

md5 d609780eed2be12fd4c8d48b1c9008fb
sha1 2a4dd3242a38306851203a64e384cb39866c0af7
sha256 3020677446d0310ea2d6309fccac9f8b60c042fbefa05b94d6e170d1b05f103c
sha512 5aae842e3159c6a593bec448bc241852038e20ee022b879d052bedad2a76ac59b2406a5f2bbd715f27834a29c9c8b5c5e1fdf560120b1b2e3bc738bd50bdc4b0
ripemd-160 fb34041337bf64a51a6eef18e7de41fc8b6ca382

91993989 as geometric shapes

Circle

Radius = n
Diameter 183987978
Circumference 578015280.03364
Area 2.6586965656623E+16

Sphere

Radius = n
Volume 3.2611213682117E+24
Surface area 1.0634786262649E+17
Circumference 578015280.03364

Square

Length = n
Perimeter 367975956
Area 8462894012132121
Diagonal 130099146.9006

Cube

Length = n
Surface area 50777364072792726
Volume 7.7853537866025E+23
Space diagonal 159338262.93893

Equilateral Triangle

Length = n
Perimeter 275981967
Area 3.6645406020208E+15
Altitude 79669131.469466

Triangular Pyramid

Length = n
Surface area 3.6645406020208E+15
Volume 9.175127427405E+22
Height 43366382.3002