20942642 (number)

20942642 is an even 8-digits composite number following 20942641 and preceding 20942643. In scientific notation, it is written as 2.0942642 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 8714880 positive integers (up to 20942642) that are relatively prime to 20942642.

Interesting facts

Basic properties

Name

Name twenty million nine hundred forty-two thousand six hundred forty-two

Notation

Scientific notation 2.0942642 × 10^7
Engineering notation 2.0942642 × 10^6

Prime Factorization of 20942642

Prime Factorization 2 × 7 × 137 × 61 × 179

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20942642
Product of the distinct prime numbers

The prime factorization of 20942642 is 2 × 7 × 137 × 61 × 179. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 9, 74, 10, 205, 370, 4455, 3164, 52068, 11628, 907793, 829971, 4884220, 5387451, 6260095, 98669636, 886318048, 19545000, 1179720920, 3426661147

Basic calculations (n = 20942642)

Multiplication

n×y
n×2 41885284
n×3 62827926
n×4 83770568
n×5 104713210

Division

n÷y
n÷2 10471321
n÷3 6980880.6666667
n÷3 5235660.5
n÷5 4188528.4

Exponentiation

ny
n2 438594253940164
n3 9.1853224435259E+21
n4 1.9236491958933E+29
n5 4.0286296443181E+36

Nth Root

y√n
2√n 4576.3131448798
3√n 275.64100388183
4√n 67.648452642169
5√n 29.12100063173

Divisors of 20942642

1, 2, 7, 14, 61, 122, 137, 179, 274, 358, 427, 854, 959, 1253, 1918, 2506, 8357, 10919, 16714, 21838, 24523, 49046, 58499, 76433, 116998, 152866, 171661, 343322, 1495903, 2991806, 10471321, 20942642

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 -20942641
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 20942642 can be divided by 32 positive divisors. The sum of these divisors (counting 20942642) is 1, the average is 0.03125.

Base conversion 20942642

Base System Value
2 Binary 1001111111000111100110010
3 Ternary 1110101222220102
4 Quaternary 1033320330302
5 Quinary 20330131032
6 Senary 2024512402
8 Octal 117707462
10 Decimal 20942642
12 Duodecimal 701b702
16 Hexadecimal 13f8f32
20 Vigesimal 6ahgc2
36 Base36 cgvg2

Cryptographic Hash Functions

md5 6ea4458c6295282ef1c92739b0b1f740
sha1 019cdeda23a88fd5115306886d590ce86c6c06e6
sha256 fdc0996e1ae33c90a3753899fd8e7ba5ad298311a1a268ec6e83a613418e0dd5
sha512 c9502c30fc7a9b2ae39252141be1bbb4cdf76a86a0f95ca2467b20ac6da3ca08d5bba7a4d749d7d9e257bd52a5711871c5334dd0582dec6bce87dffcb588c0e1
ripemd-160 e75e5f98a8349a9fffa0af165ba759e218148800

20942642 as geometric shapes

Circle

Radius = n
Diameter 41885284
Circumference 131586500.50792
Area 1.3778844860851E+15

Sphere

Radius = n
Volume 3.8475388679246E+22
Surface area 5.5115379443405E+15
Circumference 131586500.50792

Square

Length = n
Perimeter 83770568
Area 438594253940164
Diagonal 29617368.348324

Cube

Length = n
Surface area 2631565523640984
Volume 9.1853224435259E+21
Space diagonal 36273719.988726

Equilateral Triangle

Length = n
Perimeter 62827926
Area 1.8991688293303E+14
Altitude 18136859.994363

Triangular Pyramid

Length = n
Surface area 1.8991688293303E+14
Volume 1.0825006312004E+21
Height 9872456.1161081