21557090 (number)

21557090 is an even 8-digits composite number following 21557089 and preceding 21557091. In scientific notation, it is written as 2.1557090 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 8344560 positive integers (up to 21557090) that are relatively prime to 21557090.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1557090 × 10^7
Engineering notation 2.1557090 × 10^6

Prime Factorization of 21557090

Prime Factorization 2 × 5 × 31 × 69539

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21557090
Product of the distinct prime numbers

The prime factorization of 21557090 is 2 × 5 × 31 × 69539. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 92, 65, 245, 312, 6437, 2834, 84966, 54763, 672708, 765271, 2442933, 4708844, 17439932, 91581726, 111718104, 16163794, 7124421929, 4548088355

Basic calculations (n = 21557090)

Multiplication

n×y
n×2 43114180
n×3 64671270
n×4 86228360
n×5 107785450

Division

n÷y
n÷2 10778545
n÷3 7185696.6666667
n÷3 5389272.5
n÷5 4311418

Exponentiation

ny
n2 464708129268100
n3 1.0017754966364E+22
n4 2.1595364540786E+29
n5 4.6553321698853E+36

Nth Root

y√n
2√n 4642.9613394901
3√n 278.31079056155
4√n 68.139278976888
5√n 29.289909309669

Divisors of 21557090

1, 2, 5, 10, 31, 62, 155, 310, 69539, 139078, 347695, 695390, 2155709, 4311418, 10778545, 21557090

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21557089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21557090 can be divided by 16 positive divisors. The sum of these divisors (counting 21557090) is 1, the average is 0.0625.

Base conversion 21557090

Base System Value
2 Binary 1010010001110111101100010
3 Ternary 1111120012202202
4 Quaternary 1102032331202
5 Quinary 21004311330
6 Senary 2050013202
8 Octal 122167542
10 Decimal 21557090
12 Duodecimal 7277202
16 Hexadecimal 148ef62
20 Vigesimal 6eecea
36 Base36 cu1k2

Cryptographic Hash Functions

md5 d17ee2fbf917ad86f4f3fc75b6c1e2b1
sha1 c458285ce91f0df104b18efece35d5f0d2f2049d
sha256 65bbe127a02cd043824dbdc6df3c0af81ca2dd311f0cedc913db726371382ae2
sha512 3bf8ba7d6ea06748f47674fdff37be4680911225997d4ac19743d7d0ccd363fee357e32f631e56dce0eba0dd08c6eda5380427fa13de900edfb1484a944d9452
ripemd-160 89e4d15475289d3df00dfb644a8bbebedab0c434

21557090 as geometric shapes

Circle

Radius = n
Diameter 43114180
Circumference 135447191.15355
Area 1.4599236449721E+15

Sphere

Radius = n
Volume 4.1962273877056E+22
Surface area 5.8396945798885E+15
Circumference 135447191.15355

Square

Length = n
Perimeter 86228360
Area 464708129268100
Diagonal 30486329.043297

Cube

Length = n
Surface area 2788248775608600
Volume 1.0017754966364E+22
Space diagonal 37337975.143335

Equilateral Triangle

Length = n
Perimeter 64671270
Area 2.0122452264566E+14
Altitude 18668987.571667

Triangular Pyramid

Length = n
Surface area 2.0122452264566E+14
Volume 1.1806037448302E+21
Height 10162109.681099