20451018 (number)

20451018 is an even 8-digits composite number following 20451017 and preceding 20451019. In scientific notation, it is written as 2.0451018 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 5843136 positive integers (up to 20451018) that are relatively prime to 20451018.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand eighteen

Notation

Scientific notation 2.0451018 × 10^7
Engineering notation 2.0451018 × 10^6

Prime Factorization of 20451018

Prime Factorization 2 × 7 × 3 × 486929

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20451018
Product of the distinct prime numbers

The prime factorization of 20451018 is 2 × 7 × 3 × 486929. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 72, 9, 660, 279, 9115, 8707, 58128, 49880, 472696, 901635, 3025036, 7625842, 47882567, 34773333, 400275943, 195171404, 4256312666, 7018891185

Basic calculations (n = 20451018)

Multiplication

n×y
n×2 40902036
n×3 61353054
n×4 81804072
n×5 102255090

Division

n÷y
n÷2 10225509
n÷3 6817006
n÷3 5112754.5
n÷5 4090203.6

Exponentiation

ny
n2 418244137236324
n3 8.5535183790145E+21
n4 1.7492815833256E+29
n5 3.577458914766E+36

Nth Root

y√n
2√n 4522.2801770788
3√n 273.46703188847
4√n 67.247900912064
5√n 28.982976599992

Divisors of 20451018

1, 2, 3, 6, 7, 14, 21, 42, 486929, 973858, 1460787, 2921574, 3408503, 6817006, 10225509, 20451018

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 -20451017
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 20451018 can be divided by 16 positive divisors. The sum of these divisors (counting 20451018) is 1, the average is 0.0625.

Base conversion 20451018

Base System Value
2 Binary 1001110000000111011001010
3 Ternary 1102111000112010
4 Quaternary 1032000323022
5 Quinary 20213413033
6 Senary 2010200350
8 Octal 116007312
10 Decimal 20451018
12 Duodecimal 6a230b6
16 Hexadecimal 1380eca
20 Vigesimal 67g7ai
36 Base36 c6c3u

Cryptographic Hash Functions

md5 ccb4f8302a0f25b39b94cc0ce0dfb59f
sha1 0ed77ec8500c4bb3890f294711083ca04a2ecfad
sha256 e5f0022a525b86e4f49504031fba5918e6c4f75c691f5550ee2503d3e93c36cc
sha512 7a8c0e71862769753d2ad84a677e7d7ae597bb0e98fc977397dd854fc578f3268cb71bcaa0fd5505c2375995dfb38519ea2013dd647d1ddfa5cdbafbf450ab48
ripemd-160 6af2be309d578478e0539764f60fa24549043ba4

20451018 as geometric shapes

Circle

Radius = n
Diameter 40902036
Circumference 128497535.81447
Area 1.3139527089486E+15

Sphere

Radius = n
Volume 3.5828894002476E+22
Surface area 5.2558108357945E+15
Circumference 128497535.81447

Square

Length = n
Perimeter 81804072
Area 418244137236324
Diagonal 28922107.019936

Cube

Length = n
Surface area 2509464823417944
Volume 8.5535183790145E+21
Space diagonal 35422202.242506

Equilateral Triangle

Length = n
Perimeter 61353054
Area 1.8110502391528E+14
Altitude 17711101.121253

Triangular Pyramid

Length = n
Surface area 1.8110502391528E+14
Volume 1.0080418081342E+21
Height 9640702.3399788