20705142 (number)

20705142 is an even 8-digits composite number following 20705141 and preceding 20705143. In scientific notation, it is written as 2.0705142 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6837000 positive integers (up to 20705142) that are relatively prime to 20705142.

Interesting facts

Basic properties

Name

Name twenty million seven hundred five thousand one hundred forty-two

Notation

Scientific notation 2.0705142 × 10^7
Engineering notation 2.0705142 × 10^6

Prime Factorization of 20705142

Prime Factorization 2 × 3 × 107 × 32251

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20705142
Product of the distinct prime numbers

The prime factorization of 20705142 is 2 × 3 × 107 × 32251. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 77, 17, 117, 977, 4512, 3875, 85902, 28028, 754660, 957682, 8662487, 7299903, 99326297, 37451639, 288187673, 972925943, 9969729164, 6405823185

Basic calculations (n = 20705142)

Multiplication

n×y
n×2 41410284
n×3 62115426
n×4 82820568
n×5 103525710

Division

n÷y
n÷2 10352571
n÷3 6901714
n÷3 5176285.5
n÷5 4141028.4

Exponentiation

ny
n2 428702905240164
n3 8.8763545288101E+21
n4 1.8378618096136E+29
n5 3.8053189744426E+36

Nth Root

y√n
2√n 4550.2903204081
3√n 274.59507126563
4√n 67.455839779875
5√n 29.054649631062

Divisors of 20705142

1, 2, 3, 6, 107, 214, 321, 642, 32251, 64502, 96753, 193506, 3450857, 6901714, 10352571, 20705142

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 -20705141
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 20705142 can be divided by 16 positive divisors. The sum of these divisors (counting 20705142) is 1, the average is 0.0625.

Base conversion 20705142

Base System Value
2 Binary 1001110111110111101110110
3 Ternary 1102221221010010
4 Quaternary 1032332331312
5 Quinary 20300031032
6 Senary 2015441050
8 Octal 116767566
10 Decimal 20705142
12 Duodecimal 6b26186
16 Hexadecimal 13bef76
20 Vigesimal 6982h2
36 Base36 cbs6u

Cryptographic Hash Functions

md5 2659b984b7ff73b99ad56b0aede1f2fb
sha1 cc1c8f8480028ea3dafe1bf941c8d96b58334786
sha256 ae7fb3a1e4bc6cb5e59a2e9f4a2358ca63abd5d7567088d23ee15fdb669cbc49
sha512 5b6a167f3d7bfc613e3b62f94cd23f636a60d305ebc81a7dadcefd7677ded920cf10c5b03074d4d9108b3fabd9e5ddee849549c472f0f892497fb41233028359
ripemd-160 31ab3416111a2605cb9d8d10d5d40ad38d7e3eab

20705142 as geometric shapes

Circle

Radius = n
Diameter 41410284
Circumference 130094243.99747
Area 1.3468098976751E+15

Sphere

Radius = n
Volume 3.7181186904491E+22
Surface area 5.3872395907004E+15
Circumference 130094243.99747

Square

Length = n
Perimeter 82820568
Area 428702905240164
Diagonal 29281492.627261

Cube

Length = n
Surface area 2572217431440984
Volume 8.8763545288101E+21
Space diagonal 35862357.921928

Equilateral Triangle

Length = n
Perimeter 62115426
Area 1.8563380330709E+14
Altitude 17931178.960964

Triangular Pyramid

Length = n
Surface area 1.8563380330709E+14
Volume 1.0460884132563E+21
Height 9760497.5424203