91521421 (number)

91521421 is an odd 8-digits composite number following 91521420 and preceding 91521422. In scientific notation, it is written as 9.1521421 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 85046208 positive integers (up to 91521421) that are relatively prime to 91521421.

Interesting facts

Basic properties

Name

Name ninety-one million five hundred twenty-one thousand four hundred twenty-one

Notation

Scientific notation 9.1521421 × 10^7
Engineering notation 9.1521421 × 10^6

Prime Factorization of 91521421

Prime Factorization 17 × 79 × 68147

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 91521421
Product of the distinct prime numbers

The prime factorization of 91521421 is 17 × 79 × 68147. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91521421)

Multiplication

n×y
n×2 183042842
n×3 274564263
n×4 366085684
n×5 457607105

Division

n÷y
n÷2 45760710.5
n÷3 30507140.333333
n÷3 22880355.25
n÷5 18304284.2

Exponentiation

ny
n2 8376170501859241
n3 7.6659902686844E+23
n4 7.0160232276217E+31
n5 6.4211641556094E+39

Nth Root

y√n
2√n 9566.6828629363
3√n 450.65160088121
4√n 97.809421135882
5√n 39.111507080471

Divisors of 91521421

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 -91521420
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 91521421 can be divided by 8 positive divisors. The sum of these divisors (counting 91521421) is 1, the average is 0.125.

Base conversion 91521421

Base System Value
2 Binary 101011101001000000110001101
3 Ternary 20101012202210021
4 Quaternary 11131020012031
5 Quinary 141412141141
6 Senary 13025342141
8 Octal 535100615
10 Decimal 91521421
12 Duodecimal 26797951
16 Hexadecimal 574818d
20 Vigesimal 18c03b1
36 Base36 1ihmdp

Cryptographic Hash Functions

md5 36df26770a5fcbe516ea3e9dc0bcd715
sha1 e0a3b524e0350791d8d2a9aba7c7ea0b196af716
sha256 1075294394ac98beff5c25b858e7e4aea078dc4c18591f07fba45fcd2d9cf901
sha512 73b18e0f80177bdb35549ade60f97e02af985fc3679469f69ef5a09a241d0f8c3e58430868118914706b612ff005d47b37a8ac9d4ed80129c680d13bdcec0c66
ripemd-160 a71e2e428d94cdc8e775711ea8d1c53557aa0aa2

91521421 as geometric shapes

Circle

Radius = n
Diameter 183042842
Circumference 575046047.7194
Area 2.6314515713857E+16

Sphere

Radius = n
Volume 3.2111224947453E+24
Surface area 1.0525806285543E+17
Circumference 575046047.7194

Square

Length = n
Perimeter 366085684
Area 8376170501859241
Diagonal 129430834.82586

Cube

Length = n
Surface area 50257023011155446
Volume 7.6659902686844E+23
Space diagonal 158519751.1529

Equilateral Triangle

Length = n
Perimeter 274564263
Area 3.62698822052E+15
Altitude 79259875.576451

Triangular Pyramid

Length = n
Surface area 3.62698822052E+15
Volume 9.0344561724947E+22
Height 43143611.608619