21551486 (number)

21551486 is an even 8-digits composite number following 21551485 and preceding 21551487. In scientific notation, it is written as 2.1551486 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 9556800 positive integers (up to 21551486) that are relatively prime to 21551486.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand four hundred eighty-six

Notation

Scientific notation 2.1551486 × 10^7
Engineering notation 2.1551486 × 10^6

Prime Factorization of 21551486

Prime Factorization 2 × 11 × 41 × 23893

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21551486
Product of the distinct prime numbers

The prime factorization of 21551486 is 2 × 11 × 41 × 23893. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551486)

Multiplication

n×y
n×2 43102972
n×3 64654458
n×4 86205944
n×5 107757430

Division

n÷y
n÷2 10775743
n÷3 7183828.6666667
n÷3 5387871.5
n÷5 4310297.2

Exponentiation

ny
n2 464466548808196
n3 1.0009944324108E+22
n4 2.157291749618E+29
n5 4.6492842939807E+36

Nth Root

y√n
2√n 4642.3578061153
3√n 278.28667183248
4√n 68.134850158457
5√n 29.288386305196

Divisors of 21551486

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551485
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551486 can be divided by 16 positive divisors. The sum of these divisors (counting 21551486) is 1, the average is 0.0625.

Base conversion 21551486

Base System Value
2 Binary 1010010001101100101111110
3 Ternary 1111112221002012
4 Quaternary 1102031211332
5 Quinary 21004121421
6 Senary 2045531222
8 Octal 122154576
10 Decimal 21551486
12 Duodecimal 7273b12
16 Hexadecimal 148d97e
20 Vigesimal 6edie6
36 Base36 ctx8e

Cryptographic Hash Functions

md5 0b46ba36b9bdce568581f2e954348a75
sha1 d6ab071d79828a8645f5ed04cac2b2b450e00b90
sha256 895e0fa6c00eded1e46361ab444ab08024b4b0a82a6d1035ebabc054765f4379
sha512 67d5a063f8a7b80fb402997a1db21339057479fa209b9e0084cb390861228f56091d472180cc865ab506c5304db55b6c73b4e560da39ed0d29a55b26cd6b8dcf
ripemd-160 363a778e919054a568b87ef92b225fd7f67dbd02

21551486 as geometric shapes

Circle

Radius = n
Diameter 43102972
Circumference 135411980.18309
Area 1.459164697574E+15

Sphere

Radius = n
Volume 4.1929556735281E+22
Surface area 5.8366587902961E+15
Circumference 135411980.18309

Square

Length = n
Perimeter 86205944
Area 464466548808196
Diagonal 30478403.790494

Cube

Length = n
Surface area 2786799292849176
Volume 1.0009944324108E+22
Space diagonal 37328268.730609

Equilateral Triangle

Length = n
Perimeter 64654458
Area 2.0111991523799E+14
Altitude 18664134.365305

Triangular Pyramid

Length = n
Surface area 2.0111991523799E+14
Volume 1.1796832518128E+21
Height 10159467.930165