21556520 (number)

21556520 is an even 8-digits composite number following 21556519 and preceding 21556521. In scientific notation, it is written as 2.1556520 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors. There are 8247360 positive integers (up to 21556520) that are relatively prime to 21556520.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-six thousand five hundred twenty

Notation

Scientific notation 2.1556520 × 10^7
Engineering notation 2.1556520 × 10^6

Prime Factorization of 21556520

Prime Factorization 2 × 2 × 2 × 5 × 23 × 23431

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5389130
Product of the distinct prime numbers

The prime factorization of 21556520 is 2 × 2 × 2 × 5 × 23 × 23431. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 5, 58, 95, 821, 733, 8120, 8094, 70874, 65957, 115963, 852438, 28063, 4652380, 22466370, 96007088, 244079917, 413296591, 4653595993, 5424848915

Basic calculations (n = 21556520)

Multiplication

n×y
n×2 43113040
n×3 64669560
n×4 86226080
n×5 107782600

Division

n÷y
n÷2 10778260
n÷3 7185506.6666667
n÷3 5389130
n÷5 4311304

Exponentiation

ny
n2 464683554510400
n3 1.0016960336475E+22
n4 2.1593080583242E+29
n5 4.6547167345427E+36

Nth Root

y√n
2√n 4642.8999558466
3√n 278.30833756273
4√n 68.138828547654
5√n 29.289754414691

Divisors of 21556520

1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23431, 46862, 93724, 117155, 187448, 234310, 468620, 538913, 937240, 1077826, 2155652, 2694565, 4311304, 5389130, 10778260, 21556520

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21556519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556520 can be divided by 32 positive divisors. The sum of these divisors (counting 21556520) is 1, the average is 0.03125.

Base conversion 21556520

Base System Value
2 Binary 1010010001110110100101000
3 Ternary 1111120011222122
4 Quaternary 1102032310220
5 Quinary 21004302040
6 Senary 2050010412
8 Octal 122166450
10 Decimal 21556520
12 Duodecimal 7276a08
16 Hexadecimal 148ed28
20 Vigesimal 6eeb60
36 Base36 cu148

Cryptographic Hash Functions

md5 21c7b90ccd01344bb410c71822f5efb4
sha1 7a7bbad72f97fec8416a8d24bdde51c9f0dab766
sha256 18a813f335a9a987d7aea6258f1591740a2ca27ed4ce900d187c93937aeabd46
sha512 e91ef12451f246a163290ee416a506d854f167728f1cf7fd122e420a81b20f20ef744cd895326f72ff7faacee29853f2ad6d394da3e5ef0295bc8575be1f0c60
ripemd-160 27ee816a310bc606c0c561965079e17f16fbb084

21556520 as geometric shapes

Circle

Radius = n
Diameter 43113040
Circumference 135443609.73792
Area 1.4598464410939E+15

Sphere

Radius = n
Volume 4.1958945339158E+22
Surface area 5.8393857643755E+15
Circumference 135443609.73792

Square

Length = n
Perimeter 86226080
Area 464683554510400
Diagonal 30485522.941567

Cube

Length = n
Surface area 2788101327062400
Volume 1.0016960336475E+22
Space diagonal 37336987.874375

Equilateral Triangle

Length = n
Perimeter 64669560
Area 2.0121388146343E+14
Altitude 18668493.937187

Triangular Pyramid

Length = n
Surface area 2.0121388146343E+14
Volume 1.1805100967996E+21
Height 10161840.980522