21551639 (number)

21551639 is an odd 8-digits prime number following 21551638 and preceding 21551640. In scientific notation, it is written as 2.1551639 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 21551638 positive integers (up to 21551639) that are relatively prime to 21551639.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1551639 × 10^7
Engineering notation 2.1551639 × 10^6

Prime Factorization of 21551639

Prime Factorization 21551639

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21551639
Product of the distinct prime numbers

The prime factorization of 21551639 is 21551639. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551639)

Multiplication

n×y
n×2 43103278
n×3 64654917
n×4 86206556
n×5 107758195

Division

n÷y
n÷2 10775819.5
n÷3 7183879.6666667
n÷3 5387909.75
n÷5 4310327.8

Exponentiation

ny
n2 464473143586321
n3 1.0010157515768E+22
n4 2.1573530111296E+29
n5 4.6494493291428E+36

Nth Root

y√n
2√n 4642.3742847814
3√n 278.28733037578
4√n 68.134971085203
5√n 29.28842789036

Divisors of 21551639

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21551640
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10775820
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4642.3743924849
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999071996
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551639 can be divided by 2 positive divisors. The sum of these divisors (counting 21551639) is 21551640, the average is 10775820.

Base conversion 21551639

Base System Value
2 Binary 1010010001101101000010111
3 Ternary 1111112221021212
4 Quaternary 1102031220113
5 Quinary 21004123024
6 Senary 2045532035
8 Octal 122155027
10 Decimal 21551639
12 Duodecimal 727401b
16 Hexadecimal 148da17
20 Vigesimal 6edj1j
36 Base36 ctxcn

Cryptographic Hash Functions

md5 39f7cd8db355ca7ccc448f6e0a065b08
sha1 1edeeeda1b8bcc823ec226fb59eaaf6edf5d0a5d
sha256 af6a0396ebc89b35759ae08adc0827d13e7437301b8d3fdc3c490bb52eee0a10
sha512 7fa416c60213da4f6174c9b688366a0a4332be6e0f4bcd3fd6bd85b8f1064e8337f41076325e7f62df628b96e6a466fd8bf678b4bb158a93b3e08e677a0142d3
ripemd-160 aa37ea8ee5da89220b3d0fca9a1a52411d053a53

21551639 as geometric shapes

Circle

Radius = n
Diameter 43103278
Circumference 135412941.51044
Area 1.4591854156805E+15

Sphere

Radius = n
Volume 4.1930449750416E+22
Surface area 5.8367416627222E+15
Circumference 135412941.51044

Square

Length = n
Perimeter 86206556
Area 464473143586321
Diagonal 30478620.165169

Cube

Length = n
Surface area 2786838861517926
Volume 1.0010157515768E+22
Space diagonal 37328533.734383

Equilateral Triangle

Length = n
Perimeter 64654917
Area 2.0112277086069E+14
Altitude 18664266.867191

Triangular Pyramid

Length = n
Surface area 2.0112277086069E+14
Volume 1.1797083766908E+21
Height 10159540.055056