21538056 (number)

21538056 is an even 8-digits composite number following 21538055 and preceding 21538057. In scientific notation, it is written as 2.1538056 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 6947520 positive integers (up to 21538056) that are relatively prime to 21538056.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1538056 × 10^7
Engineering notation 2.1538056 × 10^6

Prime Factorization of 21538056

Prime Factorization 2 × 2 × 2 × 3 × 31 × 28949

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5384514
Product of the distinct prime numbers

The prime factorization of 21538056 is 2 × 2 × 2 × 3 × 31 × 28949. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21538056)

Multiplication

n×y
n×2 43076112
n×3 64614168
n×4 86152224
n×5 107690280

Division

n÷y
n÷2 10769028
n÷3 7179352
n÷3 5384514
n÷5 4307611.2

Exponentiation

ny
n2 463887856259136
n3 9.9912426258292E+21
n4 2.151919431847E+29
n5 4.6348161230608E+36

Nth Root

y√n
2√n 4640.9111174423
3√n 278.22885421686
4√n 68.124232967736
5√n 29.284735131344

Divisors of 21538056

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 -21538055
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 21538056 can be divided by 32 positive divisors. The sum of these divisors (counting 21538056) is 1, the average is 0.03125.

Base conversion 21538056

Base System Value
2 Binary 1010010001010010100001000
3 Ternary 1111112020122210
4 Quaternary 1102022110020
5 Quinary 21003204211
6 Senary 2045345120
8 Octal 122122410
10 Decimal 21538056
12 Duodecimal 72681a0
16 Hexadecimal 148a508
20 Vigesimal 6ec52g
36 Base36 ctmvc

Cryptographic Hash Functions

md5 354d8254d12ef3860397e4d1a31d30e3
sha1 827cad2e9f4d0de4b3776a62a3323d7e9087c7e9
sha256 fd47583bb517e3a909d9b04d257228d06d4decf28cd975fa6de010ca3b3178c9
sha512 539ec1dc087c32762b27f9f2b535a815814f94f4aa04abdf49ca3f5915b246af42a69615075298f85d15c67226c65e573a9fb3589d197aa4c3472260c945a6b0
ripemd-160 eb0c5ecd4cf8d5bdff523bca786272792de7156c

21538056 as geometric shapes

Circle

Radius = n
Diameter 43076112
Circumference 135327597.00441
Area 1.4573466813132E+15

Sphere

Radius = n
Volume 4.1851219244718E+22
Surface area 5.8293867252529E+15
Circumference 135327597.00441

Square

Length = n
Perimeter 86152224
Area 463887856259136
Diagonal 30459410.902351

Cube

Length = n
Surface area 2783327137554816
Volume 9.9912426258292E+21
Space diagonal 37305007.288264

Equilateral Triangle

Length = n
Perimeter 64614168
Area 2.0086933401376E+14
Altitude 18652503.644132

Triangular Pyramid

Length = n
Surface area 2.0086933401376E+14
Volume 1.177479235534E+21
Height 10153136.96745