20131220 (number)

20131220 is an even 8-digits composite number following 20131219 and preceding 20131221. In scientific notation, it is written as 2.0131220 × 10^7. The sum of its digits is 11. It has a total of 5 prime factors and 24 positive divisors. There are 7633920 positive integers (up to 20131220) that are relatively prime to 20131220.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand two hundred twenty

Notation

Scientific notation 2.0131220 × 10^7
Engineering notation 2.0131220 × 10^6

Prime Factorization of 20131220

Prime Factorization 2 × 2 × 145 × 61 × 569

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10065610
Product of the distinct prime numbers

The prime factorization of 20131220 is 2 × 2 × 145 × 61 × 569. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 40, 29, 925, 835, 2740, 9317, 77574, 11947, 72815, 328746, 9577145, 7662389, 46440106, 89619705, 138162104, 414099427, 5588474060, 4087336582

Basic calculations (n = 20131220)

Multiplication

n×y
n×2 40262440
n×3 60393660
n×4 80524880
n×5 100656100

Division

n÷y
n÷2 10065610
n÷3 6710406.6666667
n÷3 5032805
n÷5 4026244

Exponentiation

ny
n2 405266018688400
n3 8.1584993807403E+21
n4 1.6424054590355E+29
n5 3.3063625625044E+36

Nth Root

y√n
2√n 4486.7828117706
3√n 272.0341112064
4√n 66.983451775574
5√n 28.891761358249

Divisors of 20131220

1, 2, 4, 61, 122, 145, 244, 290, 569, 580, 1138, 2276, 8845, 17690, 34709, 35380, 69418, 82505, 138836, 165010, 330020, 5032805, 10065610, 20131220

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20131219
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131220 can be divided by 24 positive divisors. The sum of these divisors (counting 20131220) is 1, the average is 0.041666666666667.

Base conversion 20131220

Base System Value
2 Binary 1001100110010110110010100
3 Ternary 1101212202211202
4 Quaternary 1030302312110
5 Quinary 20123144340
6 Senary 1555252032
8 Octal 114626624
10 Decimal 20131220
12 Duodecimal 68aa018
16 Hexadecimal 1332d94
20 Vigesimal 65g810
36 Base36 bzhck

Cryptographic Hash Functions

md5 0662de88328a74e11a3e969a1415b041
sha1 08bb2ffa1104eff8775485647036b97b880460c3
sha256 3dac3d10b66701f56e9f5f6d2d84f7a58c6fcb268004ff171c8ca76204f3b238
sha512 9ad9dcd00f1985925153aedc80f57a51deb3bcd2577b2ae5d5d0fd73f896f64d0334cff3e3c7c5b861b3d06d8837a9e414ed2c109ef43e8567805efa81f37300
ripemd-160 1aa4dcf48c90b09a843080abdffed00f42c6eb7e

20131220 as geometric shapes

Circle

Radius = n
Diameter 40262440
Circumference 126488185.7196
Area 1.2731807470611E+15

Sphere

Radius = n
Volume 3.4174242291801E+22
Surface area 5.0927229882442E+15
Circumference 126488185.7196

Square

Length = n
Perimeter 80524880
Area 405266018688400
Diagonal 28469844.351117

Cube

Length = n
Surface area 2431596112130400
Volume 8.1584993807403E+21
Space diagonal 34868295.858347

Equilateral Triangle

Length = n
Perimeter 60393660
Area 1.7548533373737E+14
Altitude 17434147.929173

Triangular Pyramid

Length = n
Surface area 1.7548533373737E+14
Volume 9.6148837273795E+20
Height 9489948.1170388