21263721 (number)

21263721 is an odd 8-digits composite number following 21263720 and preceding 21263722. In scientific notation, it is written as 2.1263721 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 14175812 positive integers (up to 21263721) that are relatively prime to 21263721.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred sixty-three thousand seven hundred twenty-one

Notation

Scientific notation 2.1263721 × 10^7
Engineering notation 2.1263721 × 10^6

Prime Factorization of 21263721

Prime Factorization 3 × 7087907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21263721
Product of the distinct prime numbers

The prime factorization of 21263721 is 3 × 7087907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21263721)

Multiplication

n×y
n×2 42527442
n×3 63791163
n×4 85054884
n×5 106318605

Division

n÷y
n÷2 10631860.5
n÷3 7087907
n÷3 5315930.25
n÷5 4252744.2

Exponentiation

ny
n2 452145830765841
n3 9.6143027967181E+21
n4 2.0443585227893E+29
n5 4.3470669252564E+36

Nth Root

y√n
2√n 4611.260239891
3√n 277.04251542372
4√n 67.906260682584
5√n 29.209750881143

Divisors of 21263721

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 -21263720
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 21263721 can be divided by 4 positive divisors. The sum of these divisors (counting 21263721) is 1, the average is 0.25.

Base conversion 21263721

Base System Value
2 Binary 1010001000111010101101001
3 Ternary 1111000022100020
4 Quaternary 1101013111221
5 Quinary 20420414341
6 Senary 2035431053
8 Octal 121072551
10 Decimal 21263721
12 Duodecimal 7155489
16 Hexadecimal 1447569
20 Vigesimal 6chj61
36 Base36 cnr6x

Cryptographic Hash Functions

md5 05cbba81d129ac4899df8951f38fcc1a
sha1 95402cf23b02d5a14c194fd64110cd9b7628666e
sha256 69443a4f42a3011397f4669f4ad92793af0b81bd82f7536c52ec464927daebbc
sha512 fa12b79381f9711f8db59f3f5b1267740b7ff8c4a12763dbc4455fe5557c57b1148ad01099b0e42c0b432d9d6c7b02f580cecc3c67b309a1a4f6e3e65efa89ef
ripemd-160 5eed51edee81149913a8eb2b2eca71dfb5eb7972

21263721 as geometric shapes

Circle

Radius = n
Diameter 42527442
Circumference 133603899.36317
Area 1.4204580202852E+15

Sphere

Radius = n
Volume 4.0272297380743E+22
Surface area 5.6818320811409E+15
Circumference 133603899.36317

Square

Length = n
Perimeter 85054884
Area 452145830765841
Diagonal 30071442.624718

Cube

Length = n
Surface area 2712874984595046
Volume 9.6143027967181E+21
Space diagonal 36829845.129969

Equilateral Triangle

Length = n
Perimeter 63791163
Area 1.9578488782922E+14
Altitude 18414922.564985

Triangular Pyramid

Length = n
Surface area 1.9578488782922E+14
Volume 1.1330564506567E+21
Height 10023814.208239