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

20081391 (number)

20081391 is an odd 8-digits composite number following 20081390 and preceding 20081392. In scientific notation, it is written as 2.0081391 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 12170520 positive integers (up to 20081391) that are relatively prime to 20081391.

Interesting facts

20081391 has 8 divisors, whose sum is 29209344
The reverse of 20081391 is 19318002
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty million eighty-one thousand three hundred ninety-one

Notation

Scientific notation	2.0081391 × 10^7
Engineering notation	2.0081391 × 10^6

Prime Factorization of 20081391

Prime Factorization 3 × 11 × 608527

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20081391	Product of the distinct prime numbers

The prime factorization of 20081391 is 3 × 11 × 608527. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 9, 32, 58, 411, 365, 6473, 2529, 17581, 45804, 839390, 293642, 6878163, 6031735, 33276010, 86170588, 770481952, 107473755, 2342482620, 7734604321

Basic calculations (n = 20081391)

Multiplication

n×y

n×2	40162782
n×3	60244173
n×4	80325564
n×5	100406955

Division

n÷y

n÷2	10040695.5
n÷3	6693797
n÷3	5020347.75
n÷5	4016278.2

Exponentiation

n^y

n²	403262264494881
n³	8.0980672088671E+21
n⁴	1.6262045396554E+29
n⁵	3.2656449206795E+36

Nth Root

^y√n

²√n	4481.2265062146
³√n	271.80947856928
⁴√n	66.94196371645
⁵√n	28.877444540199

Divisors of 20081391

1, 3, 11, 33, 608527, 1825581, 6693797, 20081391

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	-20081390	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 20081391 can be divided by 8 positive divisors. The sum of these divisors (counting 20081391) is 1, the average is 0.125.

Base conversion 20081391

Base	System	Value
2	Binary	1001100100110101011101111
3	Ternary	1101210020111020
4	Quaternary	1030212223233
5	Quinary	20120101031
6	Senary	1554225223
8	Octal	114465357
10	Decimal	20081391
12	Duodecimal	6885213
16	Hexadecimal	1326aef
20	Vigesimal	65a39b
36	Base36	byewf

Cryptographic Hash Functions

md5	0c02ad9ac8b0ecbc7922892fecfeea7f
sha1	a635e3436d0a76ce88ede58eaabb54a5ec1fc4a4
sha256	811d2c99859fdf3a5749de09bbb7248e14e6fff0cff232f9df979425449eb075
sha512	d14a2b69452f53a2b54ef68680e6a95697d2647024d0f230b20eec2069659034b61fef42f08808a189470b26db18520affa829f3fe8472343f7483a71e7fb6a2
ripemd-160	13f3b68d97ff0166bb603f48b609e2cda722252e

20081391 as geometric shapes

Circle

Radius = n

Diameter	40162782
Circumference	126175100.87893
Area	1.2668857676071E+15

Sphere

Radius = n

Volume	3.3921104602204E+22
Surface area	5.0675430704284E+15
Circumference	126175100.87893

Square

Length = n

Perimeter	80325564
Area	403262264494881
Diagonal	28399375.503517

Cube

Length = n

Surface area	2419573586969286
Volume	8.0980672088671E+21
Space diagonal	34781989.498656

Equilateral Triangle

Length = n

Perimeter	60244173
Area	1.746176827201E+14
Altitude	17390994.749328

Triangular Pyramid

Length = n

Surface area	1.746176827201E+14
Volume	9.5436637298239E+20
Height	9466458.5011723