Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20131208 (number)

20131208 is an even 8-digits composite number following 20131207 and preceding 20131209. In scientific notation, it is written as 2.0131208 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 8 positive divisors. There are 10065600 positive integers (up to 20131208) that are relatively prime to 20131208.

Interesting facts

20131208 has 8 divisors, whose sum is 37746030
The reverse of 20131208 is 80213102
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8

Name

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

Notation

Scientific notation	2.0131208 × 10^7
Engineering notation	2.0131208 × 10^6

Prime Factorization of 20131208

Prime Factorization 2 × 2 × 2 × 2516401

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	5032802	Product of the distinct prime numbers

The prime factorization of 20131208 is 2 × 2 × 2 × 2516401. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 27, 71, 393, 905, 8050, 9889, 67932, 661, 222269, 688626, 3475864, 837772, 84668801, 27459675, 34588056, 685431509, 9949139345, 9917570867

Basic calculations (n = 20131208)

Multiplication

n×y

n×2	40262416
n×3	60393624
n×4	80524832
n×5	100656040

Division

n÷y

n÷2	10065604
n÷3	6710402.6666667
n÷3	5032802
n÷5	4026241.6

Exponentiation

n^y

n²	405265535539264
n³	8.1584847911723E+21
n⁴	1.6424015429593E+29
n⁵	3.3063527080834E+36

Nth Root

^y√n

²√n	4486.7814745093
³√n	272.03405715421
⁴√n	66.983441793546
⁵√n	28.891757913836

Divisors of 20131208

1, 2, 4, 8, 2516401, 5032802, 10065604, 20131208

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20131207	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131208 can be divided by 8 positive divisors. The sum of these divisors (counting 20131208) is 1, the average is 0.125.

Base conversion 20131208

Base	System	Value
2	Binary	1001100110010110110001000
3	Ternary	1101212202211022
4	Quaternary	1030302312020
5	Quinary	20123144313
6	Senary	1555252012
8	Octal	114626610
10	Decimal	20131208
12	Duodecimal	68aa008
16	Hexadecimal	1332d88
20	Vigesimal	65g808
36	Base36	bzhc8

Cryptographic Hash Functions

md5	9cf484e07df59f86d2462a99b5ed37f6
sha1	9925a41a8e2852c82d5051ff0466ae770bfe3b85
sha256	9a251c2d93ba48a428fb4cd043e55f3ece4199a464ef18e353fef3e92d035705
sha512	29db8e02cf86af109d02f5e8d4b9be3210f782df8cf2e8afcb364505ac3aaeb804524876404d54bbd6a925827ebabf3b7687da3517a8160236ec7970980034ed
ripemd-160	13d0c936241bd8b2d1fd35e98274a9a36f2c56f3

20131208 as geometric shapes

Circle

Radius = n

Diameter	40262416
Circumference	126488110.32138
Area	1.2731792292033E+15

Sphere

Radius = n

Volume	3.4174181179161E+22
Surface area	5.0927169168131E+15
Circumference	126488110.32138

Square

Length = n

Perimeter	80524832
Area	405265535539264
Diagonal	28469827.380554

Cube

Length = n

Surface area	2431593213235584
Volume	8.1584847911723E+21
Space diagonal	34868275.073737

Equilateral Triangle

Length = n

Perimeter	60393624
Area	1.7548512452765E+14
Altitude	17434137.536869

Triangular Pyramid

Length = n

Surface area	1.7548512452765E+14
Volume	9.6148665334088E+20
Height	9489942.4601846