20121812 (number)

20121812 is an even 8-digits composite number following 20121811 and preceding 20121813. In scientific notation, it is written as 2.0121812 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors. There are 9469056 positive integers (up to 20121812) that are relatively prime to 20121812.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand eight hundred twelve

Notation

Scientific notation 2.0121812 × 10^7
Engineering notation 2.0121812 × 10^6

Prime Factorization of 20121812

Prime Factorization 2 × 2 × 17 × 295909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10060906
Product of the distinct prime numbers

The prime factorization of 20121812 is 2 × 2 × 17 × 295909. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121812)

Multiplication

n×y
n×2 40243624
n×3 60365436
n×4 80487248
n×5 100609060

Division

n÷y
n÷2 10060906
n÷3 6707270.6666667
n÷3 5030453
n÷5 4024362.4

Exponentiation

ny
n2 404887318163344
n3 8.147066497267E+21
n4 1.639337404095E+29
n5 3.2986439049769E+36

Nth Root

y√n
2√n 4485.7342765706
3√n 271.99172768959
4√n 66.975624495562
5√n 28.889060433852

Divisors of 20121812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121812 can be divided by 12 positive divisors. The sum of these divisors (counting 20121812) is 1, the average is 0.083333333333333.

Base conversion 20121812

Base System Value
2 Binary 1001100110000100011010100
3 Ternary 1101212021221022
4 Quaternary 1030300203110
5 Quinary 20122344222
6 Senary 1555140312
8 Octal 114604324
10 Decimal 20121812
12 Duodecimal 68a4698
16 Hexadecimal 13308d4
20 Vigesimal 65f4ac
36 Base36 bza38

Cryptographic Hash Functions

md5 5ce6e51c46a0c4a675b0823510798950
sha1 5d76669bcf3ae2de3501515cd9f8650e5393fef7
sha256 f8c3325850a338454cfa637d49c0b3afeb80045f74a7311906fdd6433f834aed
sha512 9885960cc7e5b4db2a79988b02f32685f49ff0e83f149fe26f3cd814fd51beee4e6f125358f3f6d29406bf83e7a89056d149005ccd53a285d6f10723aa7a2a8d
ripemd-160 cd92523c16fc831e65902a331234b4bcff3e5169

20121812 as geometric shapes

Circle

Radius = n
Diameter 40243624
Circumference 126429073.51223
Area 1.2719910242736E+15

Sphere

Radius = n
Volume 3.4126352341495E+22
Surface area 5.0879640970945E+15
Circumference 126429073.51223

Square

Length = n
Perimeter 80487248
Area 404887318163344
Diagonal 28456539.429922

Cube

Length = n
Surface area 2429323908980064
Volume 8.147066497267E+21
Space diagonal 34852000.724349

Equilateral Triangle

Length = n
Perimeter 60365436
Area 1.753213515998E+14
Altitude 17426000.362175

Triangular Pyramid

Length = n
Surface area 1.753213515998E+14
Volume 9.601409944992E+20
Height 9485513.1433072