20161820 (number)

20161820 is an even 8-digits composite number following 20161819 and preceding 20161821. In scientific notation, it is written as 2.0161820 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors. There are 6912576 positive integers (up to 20161820) that are relatively prime to 20161820.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0161820 × 10^7
Engineering notation 2.0161820 × 10^6

Prime Factorization of 20161820

Prime Factorization 2 × 2 × 5 × 7 × 144013

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10080910
Product of the distinct prime numbers

The prime factorization of 20161820 is 2 × 2 × 5 × 7 × 144013. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 4, 39, 163, 194, 3971, 6930, 75461, 94118, 720772, 447376, 9454767, 8354480, 27880653, 68913043, 290542191, 232349098, 6511151483, 7529893112

Basic calculations (n = 20161820)

Multiplication

n×y
n×2 40323640
n×3 60485460
n×4 80647280
n×5 100809100

Division

n÷y
n÷2 10080910
n÷3 6720606.6666667
n÷3 5040455
n÷5 4032364

Exponentiation

ny
n2 406498985712400
n3 8.195759380116E+21
n4 1.6524142538521E+29
n5 3.33156787516E+36

Nth Root

y√n
2√n 4490.1915326632
3√n 272.17187450257
4√n 67.008891444816
5√n 28.900539274861

Divisors of 20161820

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144013, 288026, 576052, 720065, 1008091, 1440130, 2016182, 2880260, 4032364, 5040455, 10080910, 20161820

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 -20161819
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 20161820 can be divided by 24 positive divisors. The sum of these divisors (counting 20161820) is 1, the average is 0.041666666666667.

Base conversion 20161820

Base System Value
2 Binary 1001100111010010100011100
3 Ternary 1101221022211002
4 Quaternary 1030322110130
5 Quinary 20130134240
6 Senary 2000045432
8 Octal 114722434
10 Decimal 20161820
12 Duodecimal 6903878
16 Hexadecimal 133a51c
20 Vigesimal 6604b0
36 Base36 c04yk

Cryptographic Hash Functions

md5 3cd560c5a5e33ca3cdc84cbde87a3e01
sha1 b4754cb7bda9746c04a90ae03e9bab4072add771
sha256 f7933db0b0dc1b44e91abf7697dc633f76913742156fdf225d171cebae3ac4b8
sha512 964e72c853f01ea3003a8753e3a4a5c7970215ad0584f4416c2fc5d33ef0c21834131e536891d2c4a24b4f7e832900956d65ceaf16c6002ee0499ef29fa5fa77
ripemd-160 d5f68252bef960f6b09fd19eee14c89a210ed6b6

20161820 as geometric shapes

Circle

Radius = n
Diameter 40323640
Circumference 126680451.19
Area 1.2770542272058E+15

Sphere

Radius = n
Volume 3.4330316612216E+22
Surface area 5.1082169088231E+15
Circumference 126680451.19

Square

Length = n
Perimeter 80647280
Area 406498985712400
Diagonal 28513119.286125

Cube

Length = n
Surface area 2438993914274400
Volume 8.195759380116E+21
Space diagonal 34921296.613058

Equilateral Triangle

Length = n
Perimeter 60485460
Area 1.7601922411977E+14
Altitude 17460648.306529

Triangular Pyramid

Length = n
Surface area 1.7601922411977E+14
Volume 9.6587950577554E+20
Height 9504373.095375