21551265 (number)

21551265 is an odd 8-digits composite number following 21551264 and preceding 21551266. In scientific notation, it is written as 2.1551265 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 11376288 positive integers (up to 21551265) that are relatively prime to 21551265.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1551265 × 10^7
Engineering notation 2.1551265 × 10^6

Prime Factorization of 21551265

Prime Factorization 5 × 9 × 9 × 127 × 419

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2394585
Product of the distinct prime numbers

The prime factorization of 21551265 is 5 × 9 × 9 × 127 × 419. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 3, 83, 90, 772, 252, 34, 154, 57768, 10919, 602584, 699072, 8266999, 3658596, 11643039, 9776141, 796452318, 864912216, 1120406355, 3411100306

Basic calculations (n = 21551265)

Multiplication

n×y
n×2 43102530
n×3 64653795
n×4 86205060
n×5 107756325

Division

n÷y
n÷2 10775632.5
n÷3 7183755
n÷3 5387816.25
n÷5 4310253

Exponentiation

ny
n2 464457023100225
n3 1.0009636385944E+22
n4 2.1572032630712E+29
n5 4.6490459181313E+36

Nth Root

y√n
2√n 4642.3340034944
3√n 278.28572059777
4√n 68.134675485353
5√n 29.28832623732

Divisors of 21551265

1, 5, 9, 45, 81, 127, 405, 419, 635, 1143, 2095, 3771, 5715, 10287, 18855, 33939, 51435, 53213, 169695, 266065, 478917, 2394585, 4310253, 21551265

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551264
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551265 can be divided by 24 positive divisors. The sum of these divisors (counting 21551265) is 1, the average is 0.041666666666667.

Base conversion 21551265

Base System Value
2 Binary 1010010001101100010100001
3 Ternary 1111112220210000
4 Quaternary 1102031202201
5 Quinary 21004120030
6 Senary 2045530213
8 Octal 122154241
10 Decimal 21551265
12 Duodecimal 7273969
16 Hexadecimal 148d8a1
20 Vigesimal 6edi35
36 Base36 ctx29

Cryptographic Hash Functions

md5 dfdbf99e56cae4566ac0f470d1b86ce8
sha1 e79057d2c86179fb1b084063dc92e1afb6c218f6
sha256 1dd7b1a1310b18e9d47feb71cb49155ca2e2e5c7c92c36de4347b8d34ea1268c
sha512 c67a9e77140064789b62977c13237fd983019175f27eac484524858a76fd2f4ca4fb29b6c037b146b0ac5f7ff1d8e4b2eee6314264b63c2770a15a3d2ea8c615
ripemd-160 1f923852e02fc1af0807df343c692cb038a7de01

21551265 as geometric shapes

Circle

Radius = n
Diameter 43102530
Circumference 135410591.59913
Area 1.4591347716799E+15

Sphere

Radius = n
Volume 4.1928266846916E+22
Surface area 5.8365390867194E+15
Circumference 135410591.59913

Square

Length = n
Perimeter 86205060
Area 464457023100225
Diagonal 30478091.249297

Cube

Length = n
Surface area 2786742138601350
Volume 1.0009636385944E+22
Space diagonal 37327885.947381

Equilateral Triangle

Length = n
Perimeter 64653795
Area 2.0111579048545E+14
Altitude 18663942.97369

Triangular Pyramid

Length = n
Surface area 2.0111579048545E+14
Volume 1.1796469609521E+21
Height 10159363.749766