20451243 (number)

20451243 is an odd 8-digits composite number following 20451242 and preceding 20451244. In scientific notation, it is written as 2.0451243 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13634160 positive integers (up to 20451243) that are relatively prime to 20451243.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand two hundred forty-three

Notation

Scientific notation 2.0451243 × 10^7
Engineering notation 2.0451243 × 10^6

Prime Factorization of 20451243

Prime Factorization 3 × 6817081

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20451243
Product of the distinct prime numbers

The prime factorization of 20451243 is 3 × 6817081. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451243)

Multiplication

n×y
n×2 40902486
n×3 61353729
n×4 81804972
n×5 102256215

Division

n÷y
n÷2 10225621.5
n÷3 6817081
n÷3 5112810.75
n÷5 4090248.6

Exponentiation

ny
n2 418253340245049
n3 8.5538006969132E+21
n4 1.7493585662614E+29
n5 3.5776557132744E+36

Nth Root

y√n
2√n 4522.3050538415
3√n 273.46803477019
4√n 67.248085874926
5√n 28.983040373258

Divisors of 20451243

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 -20451242
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 20451243 can be divided by 4 positive divisors. The sum of these divisors (counting 20451243) is 1, the average is 0.25.

Base conversion 20451243

Base System Value
2 Binary 1001110000000111110101011
3 Ternary 1102111000211110
4 Quaternary 1032000332223
5 Quinary 20213414433
6 Senary 2010201403
8 Octal 116007653
10 Decimal 20451243
12 Duodecimal 6a23263
16 Hexadecimal 1380fab
20 Vigesimal 67g823
36 Base36 c6ca3

Cryptographic Hash Functions

md5 6c076d639d7f8d64d2f65825270158c6
sha1 783b60d863a50708d2794a0013936ce8f44dde01
sha256 0637cff33e5161072a001a0b66b863f01ed77ee47eb93a51ad0c23db5513c785
sha512 68482c9d3e811465df499c9fc073de978ff0cbffbdd0188ab8ceaf0fda8b2634e8f01c4ee43668df738a07c8b1730e038601ea092e470087f81b51957510d4e0
ripemd-160 8ad765c53b18c1d4cde67364b78904db6ae32b1e

20451243 as geometric shapes

Circle

Radius = n
Diameter 40902486
Circumference 128498949.53116
Area 1.3139816210532E+15

Sphere

Radius = n
Volume 3.5830076572925E+22
Surface area 5.255926484213E+15
Circumference 128498949.53116

Square

Length = n
Perimeter 81804972
Area 418253340245049
Diagonal 28922425.217988

Cube

Length = n
Surface area 2509520041470294
Volume 8.5538006969132E+21
Space diagonal 35422591.953937

Equilateral Triangle

Length = n
Perimeter 61353729
Area 1.8110900893495E+14
Altitude 17711295.976969

Triangular Pyramid

Length = n
Surface area 1.8110900893495E+14
Volume 1.0080750796176E+21
Height 9640808.4059959