91991380 (number)

91991380 is an even 8-digits composite number following 91991379 and preceding 91991381. In scientific notation, it is written as 9.1991380 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 33965952 positive integers (up to 91991380) that are relatively prime to 91991380.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1991380 × 10^7
Engineering notation 9.1991380 × 10^6

Prime Factorization of 91991380

Prime Factorization 2 × 2 × 65 × 353813

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 45995690
Product of the distinct prime numbers

The prime factorization of 91991380 is 2 × 2 × 65 × 353813. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91991380)

Multiplication

n×y
n×2 183982760
n×3 275974140
n×4 367965520
n×5 459956900

Division

n÷y
n÷2 45995690
n÷3 30663793.333333
n÷3 22997845
n÷5 18398276

Exponentiation

ny
n2 8462413994304400
n3 7.7846914146737E+23
n4 7.1612450610999E+31
n5 6.5877281568876E+39

Nth Root

y√n
2√n 9591.2136875372
3√n 451.42164391823
4√n 97.934741984329
5√n 39.151592049795

Divisors of 91991380

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 -91991379
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 91991380 can be divided by 12 positive divisors. The sum of these divisors (counting 91991380) is 1, the average is 0.083333333333333.

Base conversion 91991380

Base System Value
2 Binary 101011110111010110101010100
3 Ternary 20102002122110011
4 Quaternary 11132322311110
5 Quinary 142022211010
6 Senary 13043410004
8 Octal 536726524
10 Decimal 91991380
12 Duodecimal 26983904
16 Hexadecimal 57bad54
20 Vigesimal 18eii90
36 Base36 1irp04

Cryptographic Hash Functions

md5 d89b42eae2328230e44bf8d7bbfa8481
sha1 89cf5b98259d87913ddb0aa040b1ea8a0d8e8cdc
sha256 47ad6b937a454a582a50d311aba347ebe5a3561fe3854cfe12b2fd7d7d0e4abf
sha512 797ee4419e991d40914318401f7d9e0486dacb4ef919b242c367e8a53dd9bd1c1c1cf0ffe9b66d56479e24acea8b59cbdfb6f3a300ccc41b28ea3c9461c74c74
ripemd-160 36b54679d200f2ce93964ef46d9b008a6862c97b

91991380 as geometric shapes

Circle

Radius = n
Diameter 183982760
Circumference 577998887.20317
Area 2.6585457636142E+16

Sphere

Radius = n
Volume 3.260843914507E+24
Surface area 1.0634183054457E+17
Circumference 577998887.20317

Square

Length = n
Perimeter 367965520
Area 8462413994304400
Diagonal 130095457.21742

Cube

Length = n
Surface area 50774483965826400
Volume 7.7846914146737E+23
Space diagonal 159333744.01838

Equilateral Triangle

Length = n
Perimeter 275974140
Area 3.6643327482043E+15
Altitude 79666872.009188

Triangular Pyramid

Length = n
Surface area 3.6643327482043E+15
Volume 9.1743468146008E+22
Height 43365152.405806