21551290 (number)

21551290 is an even 8-digits composite number following 21551289 and preceding 21551291. In scientific notation, it is written as 2.1551290 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 8620512 positive integers (up to 21551290) that are relatively prime to 21551290.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand two hundred ninety

Notation

Scientific notation 2.1551290 × 10^7
Engineering notation 2.1551290 × 10^6

Prime Factorization of 21551290

Prime Factorization 2 × 5 × 2155129

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551290
Product of the distinct prime numbers

The prime factorization of 21551290 is 2 × 5 × 2155129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551290)

Multiplication

n×y
n×2 43102580
n×3 64653870
n×4 86205160
n×5 107756450

Division

n÷y
n÷2 10775645
n÷3 7183763.3333333
n÷3 5387822.5
n÷5 4310258

Exponentiation

ny
n2 464458100664100
n3 1.0009671220261E+22
n4 2.157213272725E+29
n5 4.6490728832346E+36

Nth Root

y√n
2√n 4642.3366961047
3√n 278.28582820383
4√n 68.134695244821
5√n 29.288333032354

Divisors of 21551290

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 -21551289
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 21551290 can be divided by 8 positive divisors. The sum of these divisors (counting 21551290) is 1, the average is 0.125.

Base conversion 21551290

Base System Value
2 Binary 1010010001101100010111010
3 Ternary 1111112220210221
4 Quaternary 1102031202322
5 Quinary 21004120130
6 Senary 2045530254
8 Octal 122154272
10 Decimal 21551290
12 Duodecimal 727398a
16 Hexadecimal 148d8ba
20 Vigesimal 6edi4a
36 Base36 ctx2y

Cryptographic Hash Functions

md5 12a0a2dc2d41075942e377dbe447691e
sha1 430d5e0989ba4c180c6e816445f27a80b5271b2c
sha256 23029d2f1a1b8c36ef239bf7809fd633fa79e37d072a7855a5057fa4e29cf3db
sha512 f706416cf48fd9d3f6ccab0a8a601d321d7fa4c5ee45f6433b7d336d7c3cf7f85b1faffeb697df599682e0ff2ce5b2d95ff106e475c412edc3f87a11eccc6ddf
ripemd-160 9d82a451307378e51023c49dd1216f3b6192e324

21551290 as geometric shapes

Circle

Radius = n
Diameter 43102580
Circumference 135410748.67877
Area 1.4591381569466E+15

Sphere

Radius = n
Volume 4.1928412760562E+22
Surface area 5.8365526277864E+15
Circumference 135410748.67877

Square

Length = n
Perimeter 86205160
Area 464458100664100
Diagonal 30478126.604636

Cube

Length = n
Surface area 2786748603984600
Volume 1.0009671220261E+22
Space diagonal 37327929.248651

Equilateral Triangle

Length = n
Perimeter 64653870
Area 2.0111625708429E+14
Altitude 18663964.624326

Triangular Pyramid

Length = n
Surface area 2.0111625708429E+14
Volume 1.1796510662158E+21
Height 10159375.534879