20157438 (number)

20157438 is an even 8-digits composite number following 20157437 and preceding 20157439. In scientific notation, it is written as 2.0157438 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5759256 positive integers (up to 20157438) that are relatively prime to 20157438.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand four hundred thirty-eight

Notation

Scientific notation 2.0157438 × 10^7
Engineering notation 2.0157438 × 10^6

Prime Factorization of 20157438

Prime Factorization 2 × 3 × 7 × 479939

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20157438
Product of the distinct prime numbers

The prime factorization of 20157438 is 2 × 3 × 7 × 479939. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 38, 85, 239, 698, 5897, 9066, 18727, 53801, 911786, 926777, 3728049, 9850112, 85291507, 58282116, 378311566, 105794512, 934731110, 6904873632

Basic calculations (n = 20157438)

Multiplication

n×y
n×2 40314876
n×3 60472314
n×4 80629752
n×5 100787190

Division

n÷y
n÷2 10078719
n÷3 6719146
n÷3 5039359.5
n÷5 4031487.6

Exponentiation

ny
n2 406322306723844
n3 8.1904167058029E+21
n4 1.6509781694139E+29
n5 3.3279490089313E+36

Nth Root

y√n
2√n 4489.7035536881
3√n 272.15215499363
4√n 67.005250194952
5√n 28.899282908379

Divisors of 20157438

1, 2, 3, 6, 7, 14, 21, 42, 479939, 959878, 1439817, 2879634, 3359573, 6719146, 10078719, 20157438

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 -20157437
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 20157438 can be divided by 16 positive divisors. The sum of these divisors (counting 20157438) is 1, the average is 0.0625.

Base conversion 20157438

Base System Value
2 Binary 1001100111001001111111110
3 Ternary 1101221002210210
4 Quaternary 1030321033332
5 Quinary 20130014223
6 Senary 2000013250
8 Octal 114711776
10 Decimal 20157438
12 Duodecimal 6901226
16 Hexadecimal 13393fe
20 Vigesimal 65jdbi
36 Base36 c01ku

Cryptographic Hash Functions

md5 f39caa2d6a5c3cb911eb62c3f2620215
sha1 89aee613ccd6c9bdc3f89df829135cdc61a19722
sha256 2da67b80be9bd5a363b4ca76b49f95764eb163d234ed9f4e4cfd1e5caf6a8902
sha512 bbac5bd583c3f715bee98cf794b059845f1f081e65879591733c765cce9baae7b1a34a01ff0da863e5e2c2d0ba8956acf528427cde3c004f07f678cbebadb066
ripemd-160 23b4433474c27f1cf06697e78e182b4ae475f128

20157438 as geometric shapes

Circle

Radius = n
Diameter 40314876
Circumference 126652918.27198
Area 1.2764991737933E+15

Sphere

Radius = n
Volume 3.4307937270386E+22
Surface area 5.1059966951731E+15
Circumference 126652918.27198

Square

Length = n
Perimeter 80629752
Area 406322306723844
Diagonal 28506922.202295

Cube

Length = n
Surface area 2437933840343064
Volume 8.1904167058029E+21
Space diagonal 34913706.76642

Equilateral Triangle

Length = n
Perimeter 60472314
Area 1.7594271987357E+14
Altitude 17456853.38321

Triangular Pyramid

Length = n
Surface area 1.7594271987357E+14
Volume 9.6524986556947E+20
Height 9502307.4007649