20451920 (number)

20451920 is an even 8-digits composite number following 20451919 and preceding 20451921. In scientific notation, it is written as 2.0451920 × 10^7. The sum of its digits is 23. It has a total of 6 prime factors and 20 positive divisors. There are 8180736 positive integers (up to 20451920) that are relatively prime to 20451920.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand nine hundred twenty

Notation

Scientific notation 2.0451920 × 10^7
Engineering notation 2.0451920 × 10^6

Prime Factorization of 20451920

Prime Factorization 2 × 2 × 2 × 2 × 5 × 255649

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2556490
Product of the distinct prime numbers

The prime factorization of 20451920 is 2 × 2 × 2 × 2 × 5 × 255649. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 2, 48, 90, 678, 363, 3917, 9773, 1355, 50137, 460632, 197285, 5796162, 5907723, 3051838, 93674873, 813498513, 74934475, 4956948009, 1720886933

Basic calculations (n = 20451920)

Multiplication

n×y
n×2 40903840
n×3 61355760
n×4 81807680
n×5 102259600

Division

n÷y
n÷2 10225960
n÷3 6817306.6666667
n÷3 5112980
n÷5 4090384

Exponentiation

ny
n2 418281031686400
n3 8.5546501975677E+21
n4 1.7495902146864E+29
n5 3.5782479103549E+36

Nth Root

y√n
2√n 4522.3799044309
3√n 273.4710522855
4√n 67.248642398422
5√n 28.983232256544

Divisors of 20451920

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 255649, 511298, 1022596, 1278245, 2045192, 2556490, 4090384, 5112980, 10225960, 20451920

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20451919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20451920 can be divided by 20 positive divisors. The sum of these divisors (counting 20451920) is 1, the average is 0.05.

Base conversion 20451920

Base System Value
2 Binary 1001110000001001001010000
3 Ternary 1102111001202112
4 Quaternary 1032001021100
5 Quinary 20213430140
6 Senary 2010204452
8 Octal 116011120
10 Decimal 20451920
12 Duodecimal 6a23728
16 Hexadecimal 1381250
20 Vigesimal 67g9g0
36 Base36 c6csw

Cryptographic Hash Functions

md5 7c8d0f0dcaf0ac9bf7707871e0b81c36
sha1 94d4a549e0f72980db7b081063990ef02f92b477
sha256 a00ae906fd4b09bdd87aa140d8a4cdfe672d5b0c8e4414d712100443c8ea4c66
sha512 b704d3b574ec9f44847e111230251ced4f98eff313298674aec23d233804137398644c9b6ae088b641ed67e0051d8b38b1fbd3e5baecd77f01f09bf3221217c3
ripemd-160 d87fced99bd19acb09ae33c100f9f9d5b147a20a

20451920 as geometric shapes

Circle

Radius = n
Diameter 40903840
Circumference 128503203.24761
Area 1.314068616282E+15

Sphere

Radius = n
Volume 3.5833634952946E+22
Surface area 5.2562744651278E+15
Circumference 128503203.24761

Square

Length = n
Perimeter 81807680
Area 418281031686400
Diagonal 28923382.64057

Cube

Length = n
Surface area 2509686190118400
Volume 8.5546501975677E+21
Space diagonal 35423764.552334

Equilateral Triangle

Length = n
Perimeter 61355760
Area 1.8112099968079E+14
Altitude 17711882.276167

Triangular Pyramid

Length = n
Surface area 1.8112099968079E+14
Volume 1.0081751942298E+21
Height 9641127.5468565