20138640 (number)

20138640 is an even 8-digits composite number following 20138639 and preceding 20138641. In scientific notation, it is written as 2.0138640 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors. There are 5370240 positive integers (up to 20138640) that are relatively prime to 20138640.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand six hundred forty

Notation

Scientific notation 2.0138640 × 10^7
Engineering notation 2.0138640 × 10^6

Prime Factorization of 20138640

Prime Factorization 2 × 2 × 2 × 2 × 15 × 83911

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2517330
Product of the distinct prime numbers

The prime factorization of 20138640 is 2 × 2 × 2 × 2 × 15 × 83911. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 9, 68, 12, 331, 375, 6377, 5792, 57766, 34927, 423703, 567697, 9624369, 4899825, 21574036, 88069424, 292094375, 71521319, 719645909, 3763419064

Basic calculations (n = 20138640)

Multiplication

n×y
n×2 40277280
n×3 60415920
n×4 80554560
n×5 100693200

Division

n÷y
n÷2 10069320
n÷3 6712880
n÷3 5034660
n÷5 4027728

Exponentiation

ny
n2 405564821049600
n3 8.1675239277823E+21
n4 1.6448282407299E+29
n5 3.3124603801894E+36

Nth Root

y√n
2√n 4487.6096086892
3√n 272.06752936922
4√n 66.989623141866
5√n 28.893890839424

Divisors of 20138640

1, 2, 4, 8, 15, 16, 30, 60, 120, 240, 83911, 167822, 335644, 671288, 1258665, 1342576, 2517330, 5034660, 10069320, 20138640

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 -20138639
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 20138640 can be divided by 20 positive divisors. The sum of these divisors (counting 20138640) is 1, the average is 0.05.

Base conversion 20138640

Base System Value
2 Binary 1001100110100101010010000
3 Ternary 1101220011000120
4 Quaternary 1030310222100
5 Quinary 20123414030
6 Senary 1555350240
8 Octal 114645220
10 Decimal 20138640
12 Duodecimal 68b2380
16 Hexadecimal 1334a90
20 Vigesimal 65h6c0
36 Base36 bzn2o

Cryptographic Hash Functions

md5 53a048fd6ba5472bdad3510abfb4265c
sha1 53960dc8cfbaf2bf8e9210ee032a37d906be07a7
sha256 aed5ce551e541105817eed5d14bb7d11672b9d98ad02fa06c00452a91e339038
sha512 e2daa4ab8d825811f1f6effa3c67c8c8f4a39094462de9713e0ebbe8052e9dac0d9cc83d99b9d90f998546fb0575f6084c30f2f081144121bc5d7c2f5eb4b1d1
ripemd-160 87452b5a9fe66b96873f48423adfd303f496488e

20138640 as geometric shapes

Circle

Radius = n
Diameter 40277280
Circumference 126534806.95458
Area 1.2741194623639E+15

Sphere

Radius = n
Volume 3.4212044226053E+22
Surface area 5.0964778494555E+15
Circumference 126534806.95458

Square

Length = n
Perimeter 80554560
Area 405564821049600
Diagonal 28480337.815749

Cube

Length = n
Surface area 2433388926297600
Volume 8.1675239277823E+21
Space diagonal 34881147.675339

Equilateral Triangle

Length = n
Perimeter 60415920
Area 1.7561471895512E+14
Altitude 17440573.837669

Triangular Pyramid

Length = n
Surface area 1.7561471895512E+14
Volume 9.6255192580638E+20
Height 9493445.9385831