21091372 (number)

21091372 is an even 8-digits composite number following 21091371 and preceding 21091373. In scientific notation, it is written as 2.1091372 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors. There are 10545684 positive integers (up to 21091372) that are relatively prime to 21091372.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand three hundred seventy-two

Notation

Scientific notation 2.1091372 × 10^7
Engineering notation 2.1091372 × 10^6

Prime Factorization of 21091372

Prime Factorization 2 × 2 × 5272843

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10545686
Product of the distinct prime numbers

The prime factorization of 21091372 is 2 × 2 × 5272843. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21091372)

Multiplication

n×y
n×2 42182744
n×3 63274116
n×4 84365488
n×5 105456860

Division

n÷y
n÷2 10545686
n÷3 7030457.3333333
n÷3 5272843
n÷5 4218274.4

Exponentiation

ny
n2 444845972842384
n3 9.3824118959206E+21
n4 1.9788793955409E+29
n5 4.1737281474488E+36

Nth Root

y√n
2√n 4592.5343765725
3√n 276.29197904261
4√n 67.768240176151
5√n 29.162245809848

Divisors of 21091372

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091371
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091372 can be divided by 6 positive divisors. The sum of these divisors (counting 21091372) is 1, the average is 0.16666666666667.

Base conversion 21091372

Base System Value
2 Binary 1010000011101010000101100
3 Ternary 1110200112220221
4 Quaternary 1100131100230
5 Quinary 20344410442
6 Senary 2032021124
8 Octal 120352054
10 Decimal 21091372
12 Duodecimal 70917a4
16 Hexadecimal 141d42c
20 Vigesimal 6bg88c
36 Base36 ck27g

Cryptographic Hash Functions

md5 2bda9b70dd28bd5312f053057764113b
sha1 9f2d9ef0e124b528753c0f564548865d1121e18a
sha256 7a4ec7c5fe6685fdb48852760fc76b695a2cfb9f0107d96a1e62fb4c63f2e3be
sha512 d704da50497eb9ac7bafdce6429e06a78e39ad997901c17c9c5a052d74d03ef87c863579840250152346f1a0f0717509b0ac0913e66f3bed8eb99f527aaab4fa
ripemd-160 670012b8728b1c8e979bccdedd5d08538049d7cc

21091372 as geometric shapes

Circle

Radius = n
Diameter 42182744
Circumference 132520998.65866
Area 1.3975248402606E+15

Sphere

Radius = n
Volume 3.9300955046904E+22
Surface area 5.5900993610426E+15
Circumference 132520998.65866

Square

Length = n
Perimeter 84365488
Area 444845972842384
Diagonal 29827704.331456

Cube

Length = n
Surface area 2669075837054304
Volume 9.3824118959206E+21
Space diagonal 36531327.905336

Equilateral Triangle

Length = n
Perimeter 63274116
Area 1.9262395662635E+14
Altitude 18265663.952668

Triangular Pyramid

Length = n
Surface area 1.9262395662635E+14
Volume 1.1057278459151E+21
Height 9942568.1104854