21254518 (number)

21254518 is an even 8-digits composite number following 21254517 and preceding 21254519. In scientific notation, it is written as 2.1254518 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10627258 positive integers (up to 21254518) that are relatively prime to 21254518.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1254518 × 10^7
Engineering notation 2.1254518 × 10^6

Prime Factorization of 21254518

Prime Factorization 2 × 10627259

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21254518
Product of the distinct prime numbers

The prime factorization of 21254518 is 2 × 10627259. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21254518)

Multiplication

n×y
n×2 42509036
n×3 63763554
n×4 85018072
n×5 106272590

Division

n÷y
n÷2 10627259
n÷3 7084839.3333333
n÷3 5313629.5
n÷5 4250903.6

Exponentiation

ny
n2 451754535412324
n3 9.6018249045029E+21
n4 2.040821602656E+29
n5 4.3376679488442E+36

Nth Root

y√n
2√n 4610.262248506
3√n 277.00254138867
4√n 67.898911983227
5√n 29.207222030361

Divisors of 21254518

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21254517
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21254518 can be divided by 4 positive divisors. The sum of these divisors (counting 21254518) is 1, the average is 0.25.

Base conversion 21254518

Base System Value
2 Binary 1010001000101000101110110
3 Ternary 1110222211201101
4 Quaternary 1101011011312
5 Quinary 20420121033
6 Senary 2035320314
8 Octal 121050566
10 Decimal 21254518
12 Duodecimal 715009a
16 Hexadecimal 1445176
20 Vigesimal 6cgg5i
36 Base36 cnk3a

Cryptographic Hash Functions

md5 4a6f0c845e6c3cbe19ee9cea5ce6eb65
sha1 85dde3728f3537d5467ece2d4b28bda6b0e07e4f
sha256 e72c8773a5d5d704e57f9425c1c170fc8bdc79d2c784ee0971b91e672177bb19
sha512 09a237594e7c6c9dee512a21b14edbcf50dc42061ef2d0b5a8ba29434b0ed7d8dd8d875fa9bc4dd91d7d2ba2ae2b357c6b63c026b7197aa01a4d4458ea97c8bf
ripemd-160 c1135cd6dbe3bc3c232ea3cb5599598af3b4b3f7

21254518 as geometric shapes

Circle

Radius = n
Diameter 42509036
Circumference 133546075.20878
Area 1.4192287296772E+15

Sphere

Radius = n
Volume 4.0220030108056E+22
Surface area 5.6769149187089E+15
Circumference 133546075.20878

Square

Length = n
Perimeter 85018072
Area 451754535412324
Diagonal 30058427.617303

Cube

Length = n
Surface area 2710527212473944
Volume 9.6018249045029E+21
Space diagonal 36813905.066387

Equilateral Triangle

Length = n
Perimeter 63763554
Area 1.9561545197095E+14
Altitude 18406952.533194

Triangular Pyramid

Length = n
Surface area 1.9561545197095E+14
Volume 1.1315859169566E+21
Height 10019475.872434