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

20731421 (number)

20731421 is an odd 8-digits composite number following 20731420 and preceding 20731422. In scientific notation, it is written as 2.0731421 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20720700 positive integers (up to 20731421) that are relatively prime to 20731421.

Interesting facts

20731421 has 4 divisors, whose sum is 20742144
The reverse of 20731421 is 12413702
Previous prime number is 2531

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty million seven hundred thirty-one thousand four hundred twenty-one

Notation

Scientific notation	2.0731421 × 10^7
Engineering notation	2.0731421 × 10^6

Prime Factorization of 20731421

Prime Factorization 2531 × 8191

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20731421	Product of the distinct prime numbers

The prime factorization of 20731421 is 2531 × 8191. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 22, 22, 787, 682, 8334, 3005, 39003, 43754, 322502, 630619, 9188568, 150100, 57809472, 29172448, 165565357, 278757694, 576450372, 2689771258

Basic calculations (n = 20731421)

Multiplication

n×y

n×2	41462842
n×3	62194263
n×4	82925684
n×5	103657105

Division

n÷y

n÷2	10365710.5
n÷3	6910473.6666667
n÷3	5182855.25
n÷5	4146284.2

Exponentiation

n^y

n²	429791816679241
n³	8.9101950939322E+21
n⁴	1.8472100568444E+29
n⁵	3.8295289363876E+36

Nth Root

^y√n

²√n	4553.1770226953
³√n	274.7111943224
⁴√n	67.477233365745
⁵√n	29.062021131384

Divisors of 20731421

1, 2531, 8191, 20731421

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	-20731420	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 20731421 can be divided by 4 positive divisors. The sum of these divisors (counting 20731421) is 1, the average is 0.25.

Base conversion 20731421

Base	System	Value
2	Binary	1001111000101011000011101
3	Ternary	1110000021011102
4	Quaternary	1033011120131
5	Quinary	20301401141
6	Senary	2020202445
8	Octal	117053035
10	Decimal	20731421
12	Duodecimal	6b39425
16	Hexadecimal	13c561d
20	Vigesimal	69b8b1
36	Base36	cccgt

Cryptographic Hash Functions

md5	196cf110ec47a98858c7082ecca79f28
sha1	4af28750480204d655ad26bb9ab470ac080078f6
sha256	2e0c27bdc62c9019cc714971835bfe02a2e5431c81a59a98d8ea92ecf3e4839c
sha512	82fdadd8d402c883dc31235d65b8492cf5484094795db88f3de78292a04db2a604dbc85110cf1b8fa6cbee4d2c1708f90285a3806001417fafc6e70bc3e7dd65
ripemd-160	9a489d884f9e3e4f84ca781147dde38940d27763

20731421 as geometric shapes

Circle

Radius = n

Diameter	41462842
Circumference	130259359.82415
Area	1.3502308138525E+15

Sphere

Radius = n

Volume	3.7322937932199E+22
Surface area	5.4009232554101E+15
Circumference	130259359.82415

Square

Length = n

Perimeter	82925684
Area	429791816679241
Diagonal	29318656.745466

Cube

Length = n

Surface area	2578750900075446
Volume	8.9101950939322E+21
Space diagonal	35907874.4851

Equilateral Triangle

Length = n

Perimeter	62194263
Area	1.8610531579144E+14
Altitude	17953937.24255

Triangular Pyramid

Length = n

Surface area	1.8610531579144E+14
Volume	1.0500765621024E+21
Height	9772885.5818221