20121742 (number)

20121742 is an even 8-digits composite number following 20121741 and preceding 20121743. In scientific notation, it is written as 2.0121742 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 10054512 positive integers (up to 20121742) that are relatively prime to 20121742.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121742 × 10^7
Engineering notation 2.0121742 × 10^6

Prime Factorization of 20121742

Prime Factorization 2 × 2953 × 3407

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121742
Product of the distinct prime numbers

The prime factorization of 20121742 is 2 × 2953 × 3407. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121742)

Multiplication

n×y
n×2 40243484
n×3 60365226
n×4 80486968
n×5 100608710

Division

n÷y
n÷2 10060871
n÷3 6707247.3333333
n÷3 5030435.5
n÷5 4024348.4

Exponentiation

ny
n2 404884501114564
n3 8.146981471226E+21
n4 1.6393145924279E+29
n5 3.2985865285669E+36

Nth Root

y√n
2√n 4485.7264740508
3√n 271.99141228654
4√n 66.975566246586
5√n 28.889040333903

Divisors of 20121742

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 -20121741
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 20121742 can be divided by 8 positive divisors. The sum of these divisors (counting 20121742) is 1, the average is 0.125.

Base conversion 20121742

Base System Value
2 Binary 1001100110000100010001110
3 Ternary 1101212021211201
4 Quaternary 1030300202032
5 Quinary 20122343432
6 Senary 1555140114
8 Octal 114604216
10 Decimal 20121742
12 Duodecimal 68a463a
16 Hexadecimal 133088e
20 Vigesimal 65f472
36 Base36 bza1a

Cryptographic Hash Functions

md5 e66140b0d004cd70b1d3c65bbfc0112e
sha1 1199bee7c5bf91fe512b7f403a89d0369f963761
sha256 31f9e2e9f69313b51a8c57eb4659db41c4f4318989d47210a35cdac794e27b0f
sha512 dc14c6e8fa97c86cbab709e2680c8c3350f5c29e9e4ac8bbff8185bb96100064cd7409dd5e936a62360d5381aa767b51a755c69fa4f0674e764f663a0f64be05
ripemd-160 f302e2bef8908365b27506351722949865020198

20121742 as geometric shapes

Circle

Radius = n
Diameter 40243484
Circumference 126428633.68926
Area 1.2719821742539E+15

Sphere

Radius = n
Volume 3.4125996185248E+22
Surface area 5.0879286970155E+15
Circumference 126428633.68926

Square

Length = n
Perimeter 80486968
Area 404884501114564
Diagonal 28456440.434972

Cube

Length = n
Surface area 2429307006687384
Volume 8.146981471226E+21
Space diagonal 34851879.480793

Equilateral Triangle

Length = n
Perimeter 60365226
Area 1.753201317819E+14
Altitude 17425939.740396

Triangular Pyramid

Length = n
Surface area 1.753201317819E+14
Volume 9.6013097408417E+20
Height 9485480.1449908