20171220 (number)

20171220 is an even 8-digits composite number following 20171219 and preceding 20171221. In scientific notation, it is written as 2.0171220 × 10^7. The sum of its digits is 15. It has a total of 5 prime factors and 24 positive divisors. There are 5351680 positive integers (up to 20171220) that are relatively prime to 20171220.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0171220 × 10^7
Engineering notation 2.0171220 × 10^6

Prime Factorization of 20171220

Prime Factorization 2 × 2 × 15 × 227 × 1481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10085610
Product of the distinct prime numbers

The prime factorization of 20171220 is 2 × 2 × 15 × 227 × 1481. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 92, 24, 424, 591, 7709, 8906, 97677, 74765, 641664, 365014, 1069873, 9640345, 55464399, 67629678, 855368010, 754993028, 9821923710, 4815669548

Basic calculations (n = 20171220)

Multiplication

n×y
n×2 40342440
n×3 60513660
n×4 80684880
n×5 100856100

Division

n÷y
n÷2 10085610
n÷3 6723740
n÷3 5042805
n÷5 4034244

Exponentiation

ny
n2 406878116288400
n3 8.2072279968389E+21
n4 1.655498015144E+29
n5 3.3393414673032E+36

Nth Root

y√n
2√n 4491.2381366389
3√n 272.21416595777
4√n 67.016700430855
5√n 28.903233619124

Divisors of 20171220

1, 2, 4, 15, 30, 60, 227, 454, 908, 1481, 2962, 3405, 5924, 6810, 13620, 22215, 44430, 88860, 336187, 672374, 1344748, 5042805, 10085610, 20171220

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 -20171219
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 20171220 can be divided by 24 positive divisors. The sum of these divisors (counting 20171220) is 1, the average is 0.041666666666667.

Base conversion 20171220

Base System Value
2 Binary 1001100111100100111010100
3 Ternary 1101221210201020
4 Quaternary 1030330213110
5 Quinary 20130434340
6 Senary 2000201140
8 Octal 114744724
10 Decimal 20171220
12 Duodecimal 69091b0
16 Hexadecimal 133c9d4
20 Vigesimal 661810
36 Base36 c0c7o

Cryptographic Hash Functions

md5 ccf82bf7d0f9ec485d8d0e11710f4561
sha1 91412981e5f020e06a1f5c2c5a3ac514d816cd7a
sha256 8f551d3ca17e04b8652a408ea2c7c81a24961495b7955a7e12bd1a3b475e8d23
sha512 9d063e656e32187b1e436df08c05cf191912171e8388f02ddf09ee1990ffb783615282e40b982dbd3dce5f304e68419f3a18fad6c24a936d451b27d41ef40bfc
ripemd-160 38c4677ea54be68b02d2a7f60f4aa50678567de0

20171220 as geometric shapes

Circle

Radius = n
Diameter 40342440
Circumference 126739513.13189
Area 1.2782453010381E+15

Sphere

Radius = n
Volume 3.4378356241607E+22
Surface area 5.1129812041524E+15
Circumference 126739513.13189

Square

Length = n
Perimeter 80684880
Area 406878116288400
Diagonal 28526412.893611

Cube

Length = n
Surface area 2441268697730400
Volume 8.2072279968389E+21
Space diagonal 34937577.890649

Equilateral Triangle

Length = n
Perimeter 60513660
Area 1.7618339247486E+14
Altitude 17468788.945325

Triangular Pyramid

Length = n
Surface area 1.7618339247486E+14
Volume 9.6723109521815E+20
Height 9508804.2978705