91991143 (number)

91991143 is an odd 8-digits composite number following 91991142 and preceding 91991144. In scientific notation, it is written as 9.1991143 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 91477048 positive integers (up to 91991143) that are relatively prime to 91991143.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1991143 × 10^7
Engineering notation 9.1991143 × 10^6

Prime Factorization of 91991143

Prime Factorization 179 × 513917

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 91991143
Product of the distinct prime numbers

The prime factorization of 91991143 is 179 × 513917. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91991143)

Multiplication

n×y
n×2 183982286
n×3 275973429
n×4 367964572
n×5 459955715

Division

n÷y
n÷2 45995571.5
n÷3 30663714.333333
n÷3 22997785.75
n÷5 18398228.6

Exponentiation

ny
n2 8462370390446449
n3 7.7846312470653E+23
n4 7.1611712625105E+31
n5 6.5876432965709E+39

Nth Root

y√n
2√n 9591.2013324713
3√n 451.42125624777
4√n 97.934678906255
5√n 39.151571876303

Divisors of 91991143

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 -91991142
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 91991143 can be divided by 4 positive divisors. The sum of these divisors (counting 91991143) is 1, the average is 0.25.

Base conversion 91991143

Base System Value
2 Binary 101011110111010110001100111
3 Ternary 20102002122010101
4 Quaternary 11132322301213
5 Quinary 142022204033
6 Senary 13043404531
8 Octal 536726147
10 Decimal 91991143
12 Duodecimal 26983747
16 Hexadecimal 57bac67
20 Vigesimal 18eihh3
36 Base36 1irotj

Cryptographic Hash Functions

md5 14dd18a4b23bf299167258e9b141be07
sha1 2e00b3749b933266dd81920258b23b0373085e77
sha256 a4979b360bfe47dd4edcff920fb00ac7deeabe3a81118def9decc0b7eea43ca4
sha512 af0e26c96d6db0d7b10cf99af9843abfafc42aabef67cbd34323a0120dc8b9920702b23e04bf1fde9c10fe5eae60a9cd9d32a119edb92356164d68aa9841a1ae
ripemd-160 0316942a23ba01988f12f3f4aaa4b289c119c812

91991143 as geometric shapes

Circle

Radius = n
Diameter 183982286
Circumference 577997398.08826
Area 2.6585320650582E+16

Sphere

Radius = n
Volume 3.2608187115581E+24
Surface area 1.0634128260233E+17
Circumference 577997398.08826

Square

Length = n
Perimeter 367964572
Area 8462370390446449
Diagonal 130095122.0488

Cube

Length = n
Surface area 50774222342678694
Volume 7.7846312470653E+23
Space diagonal 159333333.52233

Equilateral Triangle

Length = n
Perimeter 275973429
Area 3.6643138671799E+15
Altitude 79666666.761167

Triangular Pyramid

Length = n
Surface area 3.6643138671799E+15
Volume 9.1742759063942E+22
Height 43365040.682934