20161220 (number)

20161220 is an even 8-digits composite number following 20161219 and preceding 20161221. In scientific notation, it is written as 2.0161220 × 10^7. The sum of its digits is 14. It has a total of 5 prime factors and 24 positive divisors. There are 7985376 positive integers (up to 20161220) that are relatively prime to 20161220.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0161220 × 10^7
Engineering notation 2.0161220 × 10^6

Prime Factorization of 20161220

Prime Factorization 2 × 2 × 5 × 103 × 9787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10080610
Product of the distinct prime numbers

The prime factorization of 20161220 is 2 × 2 × 5 × 103 × 9787. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 1, 32, 94, 140, 328, 6634, 6705, 24947, 80791, 171429, 931253, 4746282, 4772017, 49729930, 36080130, 13068082, 839078765, 7137461326, 3711812341

Basic calculations (n = 20161220)

Multiplication

n×y
n×2 40322440
n×3 60483660
n×4 80644880
n×5 100806100

Division

n÷y
n÷2 10080610
n÷3 6720406.6666667
n÷3 5040305
n÷5 4032244

Exponentiation

ny
n2 406474791888400
n3 8.1950277037162E+21
n4 1.6522175644072E+29
n5 3.3310721803877E+36

Nth Root

y√n
2√n 4490.1247198714
3√n 272.16917460172
4√n 67.008392906198
5√n 28.900367261323

Divisors of 20161220

1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9787, 19574, 39148, 48935, 97870, 195740, 1008061, 2016122, 4032244, 5040305, 10080610, 20161220

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 -20161219
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 20161220 can be divided by 24 positive divisors. The sum of these divisors (counting 20161220) is 1, the average is 0.041666666666667.

Base conversion 20161220

Base System Value
2 Binary 1001100111010001011000100
3 Ternary 1101221021222212
4 Quaternary 1030322023010
5 Quinary 20130124340
6 Senary 2000042552
8 Octal 114721304
10 Decimal 20161220
12 Duodecimal 6903458
16 Hexadecimal 133a2c4
20 Vigesimal 660310
36 Base36 c04hw

Cryptographic Hash Functions

md5 e5c4d3160124fc029340fb5012ffc682
sha1 830554ee691549ca8a39773cff84c55d7d85ae4c
sha256 4c6ca9896a54dfed28dc39860a724edf37d586749a4b1a85dd045e2189b7b9c9
sha512 68f800b13e8c8440b1201ff68926a358e8aaa8cdd8fc3a462efa178713db449bfbc3f8c9a603f80a6c72504d6f10692f84c5c50b419c50d0a0fd9f5740d87ef9
ripemd-160 eb167cda94846371d9113ab2a2bc4a0d832d00bf

20161220 as geometric shapes

Circle

Radius = n
Diameter 40322440
Circumference 126676681.27882
Area 1.276978220066E+15

Sphere

Radius = n
Volume 3.432725177328E+22
Surface area 5.1079128802642E+15
Circumference 126676681.27882

Square

Length = n
Perimeter 80644880
Area 406474791888400
Diagonal 28512270.757988

Cube

Length = n
Surface area 2438848751330400
Volume 8.1950277037162E+21
Space diagonal 34920257.382574

Equilateral Triangle

Length = n
Perimeter 60483660
Area 1.7600874788667E+14
Altitude 17460128.691287

Triangular Pyramid

Length = n
Surface area 1.7600874788667E+14
Volume 9.657932768849E+20
Height 9504090.2526626