21551255 (number)

21551255 is an odd 8-digits composite number following 21551254 and preceding 21551256. In scientific notation, it is written as 2.1551255 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 15555360 positive integers (up to 21551255) that are relatively prime to 21551255.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1551255 × 10^7
Engineering notation 2.1551255 × 10^6

Prime Factorization of 21551255

Prime Factorization 5 × 1529 × 2819

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21551255
Product of the distinct prime numbers

The prime factorization of 21551255 is 5 × 1529 × 2819. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551255)

Multiplication

n×y
n×2 43102510
n×3 64653765
n×4 86205020
n×5 107756275

Division

n÷y
n÷2 10775627.5
n÷3 7183751.6666667
n÷3 5387813.75
n÷5 4310251

Exponentiation

ny
n2 464456592075025
n3 1.000962245224E+22
n4 2.1571992592195E+29
n5 4.649035132125E+36

Nth Root

y√n
2√n 4642.3329264498
3√n 278.28567755532
4√n 68.134667581561
5√n 29.288323519305

Divisors of 21551255

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 -21551254
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 21551255 can be divided by 8 positive divisors. The sum of these divisors (counting 21551255) is 1, the average is 0.125.

Base conversion 21551255

Base System Value
2 Binary 1010010001101100010010111
3 Ternary 1111112220202122
4 Quaternary 1102031202113
5 Quinary 21004120010
6 Senary 2045530155
8 Octal 122154227
10 Decimal 21551255
12 Duodecimal 727395b
16 Hexadecimal 148d897
20 Vigesimal 6edi2f
36 Base36 ctx1z

Cryptographic Hash Functions

md5 b1a2f319010f8b701cc1b21683b879cd
sha1 409d17775cd29d109f2285b7672ac808335957a6
sha256 c8ea7cc29aa19bfee4b8641651dc3a3d2cfc82787f23d67d046d3155d6e7476d
sha512 fad2d83cfe317bdd227cdb51f66f2a7f4a3b96e1d2e42ddc5fbe25da39494dc251cda53fde042c7d43b5f8179d219120f5299340befca3422d4207fd8885952b
ripemd-160 21ed948d4d6831abdec1bb147f6b12ec02669a57

21551255 as geometric shapes

Circle

Radius = n
Diameter 43102510
Circumference 135410528.76728
Area 1.4591334175742E+15

Sphere

Radius = n
Volume 4.1928208481552E+22
Surface area 5.836533670297E+15
Circumference 135410528.76728

Square

Length = n
Perimeter 86205020
Area 464456592075025
Diagonal 30478077.107161

Cube

Length = n
Surface area 2786739552450150
Volume 1.000962245224E+22
Space diagonal 37327868.626873

Equilateral Triangle

Length = n
Perimeter 64653765
Area 2.0111560384606E+14
Altitude 18663934.313436

Triangular Pyramid

Length = n
Surface area 2.0111560384606E+14
Volume 1.1796453188493E+21
Height 10159359.03572