21553820 (number)

21553820 is an even 8-digits composite number following 21553819 and preceding 21553821. In scientific notation, it is written as 2.1553820 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 8621520 positive integers (up to 21553820) that are relatively prime to 21553820.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1553820 × 10^7
Engineering notation 2.1553820 × 10^6

Prime Factorization of 21553820

Prime Factorization 2 × 2 × 5 × 1077691

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10776910
Product of the distinct prime numbers

The prime factorization of 21553820 is 2 × 2 × 5 × 1077691. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 67, 69, 530, 543, 4165, 5264, 36147, 25940, 82970, 790975, 2840869, 2356277, 77231792, 68809894, 69039285, 836839126, 5326706654, 5009151486

Basic calculations (n = 21553820)

Multiplication

n×y
n×2 43107640
n×3 64661460
n×4 86215280
n×5 107769100

Division

n÷y
n÷2 10776910
n÷3 7184606.6666667
n÷3 5388455
n÷5 4310764

Exponentiation

ny
n2 464567156592400
n3 1.0013196871104E+22
n4 2.1582264298435E+29
n5 4.6518023988089E+36

Nth Root

y√n
2√n 4642.6091801917
3√n 278.29671750707
4√n 68.136694814114
5√n 29.289020657115

Divisors of 21553820

1, 2, 4, 5, 10, 20, 1077691, 2155382, 4310764, 5388455, 10776910, 21553820

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21553819
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21553820 can be divided by 12 positive divisors. The sum of these divisors (counting 21553820) is 1, the average is 0.083333333333333.

Base conversion 21553820

Base System Value
2 Binary 1010010001110001010011100
3 Ternary 1111120001021122
4 Quaternary 1102032022130
5 Quinary 21004210240
6 Senary 2045550112
8 Octal 122161234
10 Decimal 21553820
12 Duodecimal 7275338
16 Hexadecimal 148e29c
20 Vigesimal 6ee4b0
36 Base36 ctz18

Cryptographic Hash Functions

md5 058abedd151c6395fabe05bb15500a8e
sha1 122ce14f176b16c3ec6ecc69a64be6d19f0cab76
sha256 b77d2e8a371f1a278d21a51428453a0960f3bdd3dd86921dc871da3b5b20e883
sha512 3f1c5eed2e3d8daf8a6dd1675db49c7bc5f78cba306e52982b40325055797e649d5ad34eb4fb7d5d73bb48ed1f9576ab63baf0b18a54620e4b565aae5c60cd40
ripemd-160 bec1261e19d4fc6e46d974a861c4ac178b61c040

21553820 as geometric shapes

Circle

Radius = n
Diameter 43107640
Circumference 135426645.13759
Area 1.4594807662498E+15

Sphere

Radius = n
Volume 4.194318097228E+22
Surface area 5.8379230649991E+15
Circumference 135426645.13759

Square

Length = n
Perimeter 86215280
Area 464567156592400
Diagonal 30481704.564948

Cube

Length = n
Surface area 2787402939554400
Volume 1.0013196871104E+22
Space diagonal 37332311.337194

Equilateral Triangle

Length = n
Perimeter 64661460
Area 2.0116347968646E+14
Altitude 18666155.668597

Triangular Pyramid

Length = n
Surface area 2.0116347968646E+14
Volume 1.1800665681523E+21
Height 10160568.188316