21557031 (number)

21557031 is an odd 8-digits composite number following 21557030 and preceding 21557032. In scientific notation, it is written as 2.1557031 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 14371352 positive integers (up to 21557031) that are relatively prime to 21557031.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-seven thousand thirty-one

Notation

Scientific notation 2.1557031 × 10^7
Engineering notation 2.1557031 × 10^6

Prime Factorization of 21557031

Prime Factorization 3 × 7185677

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21557031
Product of the distinct prime numbers

The prime factorization of 21557031 is 3 × 7185677. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21557031)

Multiplication

n×y
n×2 43114062
n×3 64671093
n×4 86228124
n×5 107785155

Division

n÷y
n÷2 10778515.5
n÷3 7185677
n÷3 5389257.75
n÷5 4311406.2

Exponentiation

ny
n2 464705585534961
n3 1.001767271325E+22
n4 2.1595128122739E+29
n5 4.6552684639086E+36

Nth Root

y√n
2√n 4642.9549857822
3√n 278.31053665666
4√n 68.139232353925
5√n 29.289893276832

Divisors of 21557031

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 -21557030
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 21557031 can be divided by 4 positive divisors. The sum of these divisors (counting 21557031) is 1, the average is 0.25.

Base conversion 21557031

Base System Value
2 Binary 1010010001110111100100111
3 Ternary 1111120012200120
4 Quaternary 1102032330213
5 Quinary 21004311111
6 Senary 2050013023
8 Octal 122167447
10 Decimal 21557031
12 Duodecimal 7277173
16 Hexadecimal 148ef27
20 Vigesimal 6eecbb
36 Base36 cu1if

Cryptographic Hash Functions

md5 baed03403774ca981e5edde3f9861843
sha1 485765b1c34656f408f6b098f7bc881a0a9f5e04
sha256 c6b9950379233aa4d4854698d575e19b98b862ced9dd1ba33466198d27488e73
sha512 010f750b35f510c9fa37fbc680d73ea126b6e547757337d845937cc06cfdf59e02b091a3788f96692cc8367e6c4b2c75e508706736cbad0f9897ffe254a08d1d
ripemd-160 49a361844f99835c6918dacc5931f4e9a9ab3def

21557031 as geometric shapes

Circle

Radius = n
Diameter 43114062
Circumference 135446820.44561
Area 1.4599156535988E+15

Sphere

Radius = n
Volume 4.1961929336019E+22
Surface area 5.8396626143951E+15
Circumference 135446820.44561

Square

Length = n
Perimeter 86228124
Area 464705585534961
Diagonal 30486245.604697

Cube

Length = n
Surface area 2788233513209766
Volume 1.001767271325E+22
Space diagonal 37337872.952337

Equilateral Triangle

Length = n
Perimeter 64671093
Area 2.012234211769E+14
Altitude 18668936.476169

Triangular Pyramid

Length = n
Surface area 2.012234211769E+14
Volume 1.1805940512078E+21
Height 10162081.868232