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

20689931 (number)

20689931 is an odd 8-digits composite number following 20689930 and preceding 20689932. In scientific notation, it is written as 2.0689931 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20557992 positive integers (up to 20689931) that are relatively prime to 20689931.

Interesting facts

20689931 has 4 divisors, whose sum is 20821872
The reverse of 20689931 is 13998602
Previous prime number is 157

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.0689931 × 10^7
Engineering notation	2.0689931 × 10^6

Prime Factorization of 20689931

Prime Factorization 157 × 131783

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20689931	Product of the distinct prime numbers

The prime factorization of 20689931 is 157 × 131783. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 38, 43, 885, 564, 4824, 7955, 49060, 61811, 294194, 952745, 8417725, 3739241, 78632519, 75763745, 224505147, 967825241, 3704715480, 4046071479

Basic calculations (n = 20689931)

Multiplication

n×y

n×2	41379862
n×3	62069793
n×4	82759724
n×5	103449655

Division

n÷y

n÷2	10344965.5
n÷3	6896643.6666667
n÷3	5172482.75
n÷5	4137986.2

Exponentiation

n^y

n²	428073244784761
n³	8.8568058975428E+21
n⁴	1.8324670290055E+29
n⁵	3.79136163899E+36

Nth Root

^y√n

²√n	4548.6185815036
³√n	274.52781117971
⁴√n	67.443447283658
⁵√n	29.050379385497

Divisors of 20689931

1, 157, 131783, 20689931

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	-20689930	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 20689931 can be divided by 4 positive divisors. The sum of these divisors (counting 20689931) is 1, the average is 0.25.

Base conversion 20689931

Base	System	Value
2	Binary	1001110111011010000001011
3	Ternary	1102221011020202
4	Quaternary	1032323100023
5	Quinary	20244034211
6	Senary	2015242415
8	Octal	116732013
10	Decimal	20689931
12	Duodecimal	6b1940b
16	Hexadecimal	13bb40b
20	Vigesimal	6964gb
36	Base36	cbggb

Cryptographic Hash Functions

md5	22841c3361ddda0bc75edf4fbe4a58f3
sha1	0018853377dbc8b98a1ef6ca8d3df890a25883f9
sha256	62a1d9d0bda2435e68c55b4fadeabbff3568fa7bbf36d2fad6719652529db43a
sha512	3ed88c59e2daf4e0b3505af2d6a7363e6c6ecb6513157eb2809181a0474a2fd56acd5dd3064aaad98d4919dde334984e5381c5914e3158bd3b6bb3759257a0f3
ripemd-160	d1539534603f483fc19f22c78c6a86c4635732e2

20689931 as geometric shapes

Circle

Radius = n

Diameter	41379862
Circumference	129998670.46576
Area	1.3448317610142E+15

Sphere

Radius = n

Volume	3.7099301789322E+22
Surface area	5.3793270440566E+15
Circumference	129998670.46576

Square

Length = n

Perimeter	82759724
Area	428073244784761
Diagonal	29259981.024764

Cube

Length = n

Surface area	2568439468708566
Volume	8.8568058975428E+21
Space diagonal	35836011.697094

Equilateral Triangle

Length = n

Perimeter	62069793
Area	1.8536115233202E+14
Altitude	17918005.848547

Triangular Pyramid

Length = n

Surface area	1.8536115233202E+14
Volume	1.0437845849676E+21
Height	9753327.0082545