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

20131909 (number)

20131909 is an odd 8-digits composite number following 20131908 and preceding 20131910. In scientific notation, it is written as 2.0131909 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 17255916 positive integers (up to 20131909) that are relatively prime to 20131909.

Interesting facts

20131909 has 4 divisors, whose sum is 23007904
The reverse of 20131909 is 90913102
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0131909 × 10^7
Engineering notation	2.0131909 × 10^6

Prime Factorization of 20131909

Prime Factorization 7 × 2875987

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20131909	Product of the distinct prime numbers

The prime factorization of 20131909 is 7 × 2875987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 10, 24, 52, 329, 331, 5530, 7753, 80408, 98487, 424649, 148875, 2816740, 8542372, 71396171, 60372486, 516079029, 464130961, 2844930862, 5417005531

Basic calculations (n = 20131909)

Multiplication

n×y

n×2	40263818
n×3	60395727
n×4	80527636
n×5	100659545

Division

n÷y

n÷2	10065954.5
n÷3	6710636.3333333
n÷3	5032977.25
n÷5	4026381.8

Exponentiation

n^y

n²	405293759984281
n³	8.1593370942714E+21
n⁴	1.642630318822E+29
n⁵	3.3069284099165E+36

Nth Root

^y√n

²√n	4486.8595921869
³√n	272.03721466734
⁴√n	66.98402490286
⁵√n	28.891959122231

Divisors of 20131909

1, 7, 2875987, 20131909

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20131908	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131909 can be divided by 4 positive divisors. The sum of these divisors (counting 20131909) is 1, the average is 0.25.

Base conversion 20131909

Base	System	Value
2	Binary	1001100110011000001000101
3	Ternary	1101212210210021
4	Quaternary	1030303001011
5	Quinary	20123210114
6	Senary	1555255141
8	Octal	114630105
10	Decimal	20131909
12	Duodecimal	68aa4b1
16	Hexadecimal	1333045
20	Vigesimal	65g9f9
36	Base36	bzhvp

Cryptographic Hash Functions

md5	cb038744f4ead27f2fd7a25547dcc85b
sha1	8630f762e78f261ec91ad530d2cf0f98737b4f97
sha256	0642c219e18880109b4f6927abddb84d29e21f6a657edd7518584bafff964084
sha512	5b20c76aa9e7dbd2d662b9ac600e315354df48e61fea52ef0104d272bc7d54b361e8fe66dbdf5708ec7b1e252f2fc04c91b8a9f271ffac9b1ccc0546a7565fa9
ripemd-160	ac63d7fbb1062bacb1f2d025fee19256ad8c2f43

20131909 as geometric shapes

Circle

Radius = n

Diameter	40263818
Circumference	126492514.83428
Area	1.2732678989124E+15

Sphere

Radius = n

Volume	3.4177751298034E+22
Surface area	5.0930715956496E+15
Circumference	126492514.83428

Square

Length = n

Perimeter	80527636
Area	405293759984281
Diagonal	28470818.744261

Cube

Length = n

Surface area	2431762559905686
Volume	8.1593370942714E+21
Space diagonal	34869489.241353

Equilateral Triangle

Length = n

Perimeter	60395727
Area	1.7549734607085E+14
Altitude	17434744.620677

Triangular Pyramid

Length = n

Surface area	1.7549734607085E+14
Volume	9.6158709822437E+20
Height	9490272.9147537