21143731 (number)

21143731 is an odd 8-digits composite number following 21143730 and preceding 21143732. In scientific notation, it is written as 2.1143731 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 18123192 positive integers (up to 21143731) that are relatively prime to 21143731.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred forty-three thousand seven hundred thirty-one

Notation

Scientific notation 2.1143731 × 10^7
Engineering notation 2.1143731 × 10^6

Prime Factorization of 21143731

Prime Factorization 7 × 3020533

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21143731
Product of the distinct prime numbers

The prime factorization of 21143731 is 7 × 3020533. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21143731)

Multiplication

n×y
n×2 42287462
n×3 63431193
n×4 84574924
n×5 105718655

Division

n÷y
n÷2 10571865.5
n÷3 7047910.3333333
n÷3 5285932.75
n÷5 4228746.2

Exponentiation

ny
n2 447057360600361
n3 9.452460574104E+21
n4 1.9986028366696E+29
n5 4.2257920754379E+36

Nth Root

y√n
2√n 4598.2312903985
3√n 276.5204202802
4√n 67.810259477446
5√n 29.176710417221

Divisors of 21143731

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 -21143730
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 21143731 can be divided by 4 positive divisors. The sum of these divisors (counting 21143731) is 1, the average is 0.25.

Base conversion 21143731

Base System Value
2 Binary 1010000101010000010110011
3 Ternary 1110210012202011
4 Quaternary 1100222002303
5 Quinary 20403044411
6 Senary 2033103351
8 Octal 120520263
10 Decimal 21143731
12 Duodecimal 70b7b57
16 Hexadecimal 142a0b3
20 Vigesimal 6c2j6b
36 Base36 cl6lv

Cryptographic Hash Functions

md5 dd45b9faad31070c6ad922430e69cb70
sha1 fd913aa7c27ad92335fa8c50e5cab588eeaf0bc0
sha256 15ad232331df84f175287a85f988120aecc320e54cf75042a494a17e222934bb
sha512 e7519b576b166496a86fdcb51da60268ab0d6faab8f81e1ee4683ead20445c3afd369188f822e44a555db900f158fcb2ec944c943d5eb33397d05c25d03e7ac6
ripemd-160 d6b4bad3334c31d9f3cbcf3fadf6a547185e5245

21143731 as geometric shapes

Circle

Radius = n
Diameter 42287462
Circumference 132849979.95816
Area 1.4044721197953E+15

Sphere

Radius = n
Volume 3.9594374263937E+22
Surface area 5.6178884791813E+15
Circumference 132849979.95816

Square

Length = n
Perimeter 84574924
Area 447057360600361
Diagonal 29901751.139368

Cube

Length = n
Surface area 2682344163602166
Volume 9.452460574104E+21
Space diagonal 36622016.353569

Equilateral Triangle

Length = n
Perimeter 63431193
Area 1.9358151561437E+14
Altitude 18311008.176785

Triangular Pyramid

Length = n
Surface area 1.9358151561437E+14
Volume 1.1139831618079E+21
Height 9967250.3797895