20490638 (number)

20490638 is an even 8-digits composite number following 20490637 and preceding 20490639. In scientific notation, it is written as 2.0490638 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 8781696 positive integers (up to 20490638) that are relatively prime to 20490638.

Interesting facts

Basic properties

Name

Name twenty million four hundred ninety thousand six hundred thirty-eight

Notation

Scientific notation 2.0490638 × 10^7
Engineering notation 2.0490638 × 10^6

Prime Factorization of 20490638

Prime Factorization 2 × 7 × 1463617

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20490638
Product of the distinct prime numbers

The prime factorization of 20490638 is 2 × 7 × 1463617. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20490638)

Multiplication

n×y
n×2 40981276
n×3 61471914
n×4 81962552
n×5 102453190

Division

n÷y
n÷2 10245319
n÷3 6830212.6666667
n÷3 5122659.5
n÷5 4098127.6

Exponentiation

ny
n2 419866245647044
n3 8.6033272479727E+21
n4 1.7628766423374E+29
n5 3.6122467116792E+36

Nth Root

y√n
2√n 4526.6585910581
3√n 273.64351494589
4√n 67.280447316127
5√n 28.994197720774

Divisors of 20490638

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20490637
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20490638 can be divided by 8 positive divisors. The sum of these divisors (counting 20490638) is 1, the average is 0.125.

Base conversion 20490638

Base System Value
2 Binary 1001110001010100110001110
3 Ternary 1102120000212112
4 Quaternary 1032022212032
5 Quinary 20221200023
6 Senary 2011104022
8 Octal 116124616
10 Decimal 20490638
12 Duodecimal 6a42012
16 Hexadecimal 138a98e
20 Vigesimal 6816bi
36 Base36 c76oe

Cryptographic Hash Functions

md5 29c880dde80de3f1678f3225524a31a0
sha1 149bbbb2067c8f0b68f05fac53fd67f18ebc62cb
sha256 92abc8ad9ebd6ad4e08b531189e7b7d251f22749370629b4e2886e5ee8daa529
sha512 0f324bc274cbd7a413c47954339f467c4a1e96fccb32f0d320200ebd1da85ce24aefb6249ba89e299f2841ef70606f7a2f219878f40bacfbd460619913c08a4b
ripemd-160 a7b5983a4cfab936ff07f2a8c877e93674b098eb

20490638 as geometric shapes

Circle

Radius = n
Diameter 40981276
Circumference 128746475.61634
Area 1.3190487128151E+15

Sphere

Radius = n
Volume 3.603753290488E+22
Surface area 5.2761948512603E+15
Circumference 128746475.61634

Square

Length = n
Perimeter 81962552
Area 419866245647044
Diagonal 28978138.161278

Cube

Length = n
Surface area 2519197473882264
Volume 8.6033272479727E+21
Space diagonal 35490826.095502

Equilateral Triangle

Length = n
Perimeter 61471914
Area 1.8180741746097E+14
Altitude 17745413.047751

Triangular Pyramid

Length = n
Surface area 1.8180741746097E+14
Volume 1.0139118396347E+21
Height 9659379.3870925