21551239 (number)

21551239 is an odd 8-digits composite number following 21551238 and preceding 21551240. In scientific notation, it is written as 2.1551239 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 20744160 positive integers (up to 21551239) that are relatively prime to 21551239.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand two hundred thirty-nine

Notation

Scientific notation 2.1551239 × 10^7
Engineering notation 2.1551239 × 10^6

Prime Factorization of 21551239

Prime Factorization 47 × 61 × 7517

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551239
Product of the distinct prime numbers

The prime factorization of 21551239 is 47 × 61 × 7517. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551239)

Multiplication

n×y
n×2 43102478
n×3 64653717
n×4 86204956
n×5 107756195

Division

n÷y
n÷2 10775619.5
n÷3 7183746.3333333
n÷3 5387809.75
n÷5 4310247.8

Exponentiation

ny
n2 464455902435121
n3 1.000960015834E+22
n4 2.1571928530682E+29
n5 4.6490178745565E+36

Nth Root

y√n
2√n 4642.331203178
3√n 278.28560868738
4√n 68.134654935488
5√n 29.288319170479

Divisors of 21551239

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 -21551238
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 21551239 can be divided by 8 positive divisors. The sum of these divisors (counting 21551239) is 1, the average is 0.125.

Base conversion 21551239

Base System Value
2 Binary 1010010001101100010000111
3 Ternary 1111112220202001
4 Quaternary 1102031202013
5 Quinary 21004114424
6 Senary 2045530131
8 Octal 122154207
10 Decimal 21551239
12 Duodecimal 7273947
16 Hexadecimal 148d887
20 Vigesimal 6edi1j
36 Base36 ctx1j

Cryptographic Hash Functions

md5 4ba3e33580d2cc5961c8ce47e3f2a496
sha1 c609839c32628bb8643e09e0295b5cad3050ecc0
sha256 a5f8e1a259dba6ace71450aa664e7c1add33fb4291015570f44b06cd2441efec
sha512 77c9cf140665b55cfb3b0ac3e7d4886801bc710eb532e6253910e1e774807f953e20543cbddbe97b43a22ca18e3a44c52275a7fcdcd02cdef9af8facbe7b162e
ripemd-160 037cd841741eaf41802289af42e4ff70cc35fd76

21551239 as geometric shapes

Circle

Radius = n
Diameter 43102478
Circumference 135410428.23632
Area 1.4591312510066E+15

Sphere

Radius = n
Volume 4.1928115097083E+22
Surface area 5.8365250040264E+15
Circumference 135410428.23632

Square

Length = n
Perimeter 86204956
Area 464455902435121
Diagonal 30478054.479744

Cube

Length = n
Surface area 2786735414610726
Volume 1.000960015834E+22
Space diagonal 37327840.91406

Equilateral Triangle

Length = n
Perimeter 64653717
Area 2.0111530522322E+14
Altitude 18663920.45703

Triangular Pyramid

Length = n
Surface area 2.0111530522322E+14
Volume 1.179642691488E+21
Height 10159351.493248