21091331 (number)

21091331 is an odd 8-digits composite number following 21091330 and preceding 21091332. In scientific notation, it is written as 2.1091331 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20794200 positive integers (up to 21091331) that are relatively prime to 21091331.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand three hundred thirty-one

Notation

Scientific notation 2.1091331 × 10^7
Engineering notation 2.1091331 × 10^6

Prime Factorization of 21091331

Prime Factorization 71 × 297061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21091331
Product of the distinct prime numbers

The prime factorization of 21091331 is 71 × 297061. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 89, 44, 997, 943, 143, 9435, 27138, 75398, 542594, 131248, 2975622, 3325556, 39591779, 44470952, 997802826, 354362008, 6274853256, 7582650935

Basic calculations (n = 21091331)

Multiplication

n×y
n×2 42182662
n×3 63273993
n×4 84365324
n×5 105456655

Division

n÷y
n÷2 10545665.5
n÷3 7030443.6666667
n÷3 5272832.75
n÷5 4218266.2

Exponentiation

ny
n2 444844243351561
n3 9.3823571799723E+21
n4 1.9788640084302E+29
n5 4.1736875805789E+36

Nth Root

y√n
2√n 4592.5299128041
3√n 276.2918000124
4√n 67.768207242069
5√n 29.162234472008

Divisors of 21091331

1, 71, 297061, 21091331

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 -21091330
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 21091331 can be divided by 4 positive divisors. The sum of these divisors (counting 21091331) is 1, the average is 0.25.

Base conversion 21091331

Base System Value
2 Binary 1010000011101010000000011
3 Ternary 1110200112212102
4 Quaternary 1100131100003
5 Quinary 20344410311
6 Senary 2032021015
8 Octal 120352003
10 Decimal 21091331
12 Duodecimal 709176b
16 Hexadecimal 141d403
20 Vigesimal 6bg86b
36 Base36 ck26b

Cryptographic Hash Functions

md5 58e4d96afcc0f89e99aece3532183121
sha1 d38e98e0cf72539ddf28b3c684e6195d96887c72
sha256 053328e99bb9bbed237813cb8c88a2efca3ec88f36ce5c21b107fbba603a790c
sha512 84ffe818dfaff6e9f12f19dbf76b4f417d3700a33e20001bc384a1c7ab907d277f8bfe01654e2588c919e61a37fe93f1c52dee3b1d28f2d11f1b5249ee219b2d
ripemd-160 d826bd0755c52518e89d06cddf98f654777a7bee

21091331 as geometric shapes

Circle

Radius = n
Diameter 42182662
Circumference 132520741.04806
Area 1.397519406905E+15

Sphere

Radius = n
Volume 3.9300725853275E+22
Surface area 5.5900776276199E+15
Circumference 132520741.04806

Square

Length = n
Perimeter 84365324
Area 444844243351561
Diagonal 29827646.3487

Cube

Length = n
Surface area 2669065460109366
Volume 9.3823571799723E+21
Space diagonal 36531256.891252

Equilateral Triangle

Length = n
Perimeter 63273993
Area 1.9262320773486E+14
Altitude 18265628.445626

Triangular Pyramid

Length = n
Surface area 1.9262320773486E+14
Volume 1.1057213975788E+21
Height 9942548.7829