21553890 (number)

21553890 is an even 8-digits composite number following 21553889 and preceding 21553891. In scientific notation, it is written as 2.1553890 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 5747696 positive integers (up to 21553890) that are relatively prime to 21553890.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-three thousand eight hundred ninety

Notation

Scientific notation 2.1553890 × 10^7
Engineering notation 2.1553890 × 10^6

Prime Factorization of 21553890

Prime Factorization 2 × 15 × 718463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21553890
Product of the distinct prime numbers

The prime factorization of 21553890 is 2 × 15 × 718463. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21553890)

Multiplication

n×y
n×2 43107780
n×3 64661670
n×4 86215560
n×5 107769450

Division

n÷y
n÷2 10776945
n÷3 7184630
n÷3 5388472.5
n÷5 4310778

Exponentiation

ny
n2 464570174132100
n3 1.0013294430524E+22
n4 2.1582544669313E+29
n5 4.6518779372246E+36

Nth Root

y√n
2√n 4642.6167190497
3√n 278.29701878003
4√n 68.136750135663
5√n 29.289039681389

Divisors of 21553890

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21553889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21553890 can be divided by 8 positive divisors. The sum of these divisors (counting 21553890) is 1, the average is 0.125.

Base conversion 21553890

Base System Value
2 Binary 1010010001110001011100010
3 Ternary 1111120001101020
4 Quaternary 1102032023202
5 Quinary 21004211030
6 Senary 2045550310
8 Octal 122161342
10 Decimal 21553890
12 Duodecimal 7275396
16 Hexadecimal 148e2e2
20 Vigesimal 6ee4ea
36 Base36 ctz36

Cryptographic Hash Functions

md5 14e816c0ef5c614f37b200d7c8251e1a
sha1 ec8d63c3673f5f6907d8c86ee5bf18fccca6afe1
sha256 09ffb6d36fcbf873e5a5e40454319aa185140aa9d74a0642fdd01758681b0cf4
sha512 3f60803772f6ad4f1dd9e995f3b292070843d669e447094615daf5b0571cd923741c96f534f5d430fb83b5b561692749abe014a2c7d6391555db91959ace660e
ripemd-160 1f6c4621f4315acd6ee7975c246e66c87b70cd76

21553890 as geometric shapes

Circle

Radius = n
Diameter 43107780
Circumference 135427084.96057
Area 1.4594902461303E+15

Sphere

Radius = n
Volume 4.1943589628222E+22
Surface area 5.8379609845213E+15
Circumference 135427084.96057

Square

Length = n
Perimeter 86215560
Area 464570174132100
Diagonal 30481803.559898

Cube

Length = n
Surface area 2787421044792600
Volume 1.0013294430524E+22
Space diagonal 37332432.580751

Equilateral Triangle

Length = n
Perimeter 64661670
Area 2.0116478631948E+14
Altitude 18666216.290375

Triangular Pyramid

Length = n
Surface area 2.0116478631948E+14
Volume 1.1800780656402E+21
Height 10160601.186633