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

20402391 (number)

20402391 is an odd 8-digits composite number following 20402390 and preceding 20402392. In scientific notation, it is written as 2.0402391 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13591160 positive integers (up to 20402391) that are relatively prime to 20402391.

Interesting facts

20402391 has 8 divisors, whose sum is 27224064
The reverse of 20402391 is 19320402
Previous prime number is 2687

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty million four hundred two thousand three hundred ninety-one

Notation

Scientific notation	2.0402391 × 10^7
Engineering notation	2.0402391 × 10^6

Prime Factorization of 20402391

Prime Factorization 3 × 2687 × 2531

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20402391	Product of the distinct prime numbers

The prime factorization of 20402391 is 3 × 2687 × 2531. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 7, 44, 79, 962, 161, 6747, 1657, 78861, 26328, 380661, 251169, 5945197, 2858262, 83072469, 30942451, 973693897, 445997476, 5777928293, 749223883

Basic calculations (n = 20402391)

Multiplication

n×y

n×2	40804782
n×3	61207173
n×4	81609564
n×5	102011955

Division

n÷y

n÷2	10201195.5
n÷3	6800797
n÷3	5100597.75
n÷5	4080478.2

Exponentiation

n^y

n²	416257558516881
n³	8.4926494655668E+21
n⁴	1.7327035502243E+29
n⁵	3.5351295318765E+36

Nth Root

^y√n

²√n	4516.9005966481
³√n	273.25011628236
⁴√n	67.207890880819
⁵√n	28.969180733741

Divisors of 20402391

1, 3, 2531, 2687, 7593, 8061, 6800797, 20402391

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	-20402390	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 20402391 can be divided by 8 positive divisors. The sum of these divisors (counting 20402391) is 1, the average is 0.125.

Base conversion 20402391

Base	System	Value
2	Binary	1001101110101000011010111
3	Ternary	1102101112211010
4	Quaternary	1031311003113
5	Quinary	20210334031
6	Senary	2005143303
8	Octal	115650327
10	Decimal	20402391
12	Duodecimal	69bab33
16	Hexadecimal	13750d7
20	Vigesimal	67a5jb
36	Base36	c5al3

Cryptographic Hash Functions

md5	415c5677cbf98eaeb16c6b85e504ee24
sha1	71480f749af1645db15d670625696c2802f67ce7
sha256	3a39c637b95c7cf0abebeff00e3d9bba9e6b754cae081023fe2095c8928fddaf
sha512	123c99afbe4f95229d5ea767a43de7e84dfb29555526c10858838e37c09af45bcaf95bdd01b6a1e89c0fb8af3caafe7e5ae9be722bf3d0801e0837e06ece1500
ripemd-160	68eec01c14331db5a9facd639df1d5df4a1eb68e

20402391 as geometric shapes

Circle

Radius = n

Diameter	40804782
Circumference	128192003.36253
Area	1.3077116878379E+15

Sphere

Radius = n

Volume	3.5573926894051E+22
Surface area	5.2308467513514E+15
Circumference	128192003.36253

Square

Length = n

Perimeter	81609564
Area	416257558516881
Diagonal	28853338.057039

Cube

Length = n

Surface area	2497545351101286
Volume	8.4926494655668E+21
Space diagonal	35337977.807886

Equilateral Triangle

Length = n

Perimeter	61207173
Area	1.8024481009645E+14
Altitude	17668988.903943

Triangular Pyramid

Length = n

Surface area	1.8024481009645E+14
Volume	1.0008683378904E+21
Height	9617779.3523463