20403990 (number)

20403990 is an even 8-digits composite number following 20403989 and preceding 20403991. In scientific notation, it is written as 2.0403990 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 5203968 positive integers (up to 20403990) that are relatively prime to 20403990.

Interesting facts

Basic properties

Name

Name twenty million four hundred three thousand nine hundred ninety

Notation

Scientific notation 2.0403990 × 10^7
Engineering notation 2.0403990 × 10^6

Prime Factorization of 20403990

Prime Factorization 2 × 5 × 9 × 23 × 9857

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20403990
Product of the distinct prime numbers

The prime factorization of 20403990 is 2 × 5 × 9 × 23 × 9857. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 15, 70, 674, 163, 3360, 6621, 81468, 13021, 712963, 424190, 6364315, 9927504, 78452967, 41691405, 619134963, 449111832, 8705151168, 4230284582

Basic calculations (n = 20403990)

Multiplication

n×y
n×2 40807980
n×3 61211970
n×4 81615960
n×5 102019950

Division

n÷y
n÷2 10201995
n÷3 6801330
n÷3 5100997.5
n÷5 4080798

Exponentiation

ny
n2 416322807920100
n3 8.4946464095736E+21
n4 1.7332468039448E+29
n5 3.5365150455221E+36

Nth Root

y√n
2√n 4517.0775950829
3√n 273.25725458823
4√n 67.209207665936
5√n 28.969634800795

Divisors of 20403990

1, 2, 5, 9, 10, 18, 23, 45, 46, 90, 115, 207, 230, 414, 1035, 2070, 9857, 19714, 49285, 88713, 98570, 177426, 226711, 443565, 453422, 887130, 1133555, 2040399, 2267110, 4080798, 10201995, 20403990

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20403989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20403990 can be divided by 32 positive divisors. The sum of these divisors (counting 20403990) is 1, the average is 0.03125.

Base conversion 20403990

Base System Value
2 Binary 1001101110101011100010110
3 Ternary 1102101122000100
4 Quaternary 1031311130112
5 Quinary 20210411430
6 Senary 2005154530
8 Octal 115653426
10 Decimal 20403990
12 Duodecimal 69bba46
16 Hexadecimal 1375716
20 Vigesimal 67a9ja
36 Base36 c5bti

Cryptographic Hash Functions

md5 0669f54cf26cfae683a98d805e4794df
sha1 16eafc90b49aacc277d11de8254c4ae77046313b
sha256 1d680c4f92615337db2084f2f5263b989addbba4d8c480182d4b9f01f579f38b
sha512 6ddd991b94b6278997fd62f6156bdb36ae459eeaf6bc659adf176076bf1648ab8baa33a91470757a703b14765f6ffd7aa21b1f32a098fde65f9e1e8785099f0b
ripemd-160 37c8b9b16405bfc349ba311c2c13b180b3591776

20403990 as geometric shapes

Circle

Radius = n
Diameter 40807980
Circumference 128202050.17584
Area 1.3079166748837E+15

Sphere

Radius = n
Volume 3.5582291673546E+22
Surface area 5.2316666995346E+15
Circumference 128202050.17584

Square

Length = n
Perimeter 81615960
Area 416322807920100
Diagonal 28855599.384525

Cube

Length = n
Surface area 2497936847520600
Volume 8.4946464095736E+21
Space diagonal 35340747.357127

Equilateral Triangle

Length = n
Perimeter 61211970
Area 1.8027306391684E+14
Altitude 17670373.678564

Triangular Pyramid

Length = n
Surface area 1.8027306391684E+14
Volume 1.0011036799986E+21
Height 9618533.128175