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

20081381 (number)

20081381 is an odd 8-digits composite number following 20081380 and preceding 20081382. In scientific notation, it is written as 2.0081381 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20047692 positive integers (up to 20081381) that are relatively prime to 20081381.

Interesting facts

20081381 has 4 divisors, whose sum is 20115072
The reverse of 20081381 is 18318002
Previous prime number is 33083

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

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

Notation

Scientific notation	2.0081381 × 10^7
Engineering notation	2.0081381 × 10^6

Prime Factorization of 20081381

Prime Factorization 33083 × 607

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20081381	Product of the distinct prime numbers

The prime factorization of 20081381 is 33083 × 607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 37, 40, 664, 513, 2689, 649, 20034, 19253, 557507, 308603, 4747220, 8869394, 99457344, 69852478, 725851531, 322383994, 9418798242, 9114641409

Basic calculations (n = 20081381)

Multiplication

n×y

n×2	40162762
n×3	60244143
n×4	80325524
n×5	100406905

Division

n÷y

n÷2	10040690.5
n÷3	6693793.6666667
n÷3	5020345.25
n÷5	4016276.2

Exponentiation

n^y

n²	403261862867161
n³	8.0980551110052E+21
n⁴	1.6262013004309E+29
n⁵	3.2656367896649E+36

Nth Root

^y√n

²√n	4481.2253904485
³√n	271.8094334513
⁴√n	66.941955382618
⁵√n	28.877441664158

Divisors of 20081381

1, 607, 33083, 20081381

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	-20081380	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 20081381 can be divided by 4 positive divisors. The sum of these divisors (counting 20081381) is 1, the average is 0.25.

Base conversion 20081381

Base	System	Value
2	Binary	1001100100110101011100101
3	Ternary	1101210020110212
4	Quaternary	1030212223211
5	Quinary	20120101011
6	Senary	1554225205
8	Octal	114465345
10	Decimal	20081381
12	Duodecimal	6885205
16	Hexadecimal	1326ae5
20	Vigesimal	65a391
36	Base36	byew5

Cryptographic Hash Functions

md5	d9419e34b48bdafce3c8c535a5d807ca
sha1	4cafb9580c2b331e2d4a94cb1d8b0873c3cd7855
sha256	6a09a202d0344985dc4f8ef35804d7b6610baace6893571ce1ae96cd19707090
sha512	532884c1abbca4cf3c73392293149822ada522728c3b832d7913f69e381450a0fcc4d90aed672419d50566aaa0f3bcf62050ae0dc254a609e02e4f75e646450a
ripemd-160	d987b975ac2c5583f047324730ee87fa6f8b4092

20081381 as geometric shapes

Circle

Radius = n

Diameter	40162762
Circumference	126175038.04708
Area	1.2668845058564E+15

Sphere

Radius = n

Volume	3.3921053926799E+22
Surface area	5.0675380234256E+15
Circumference	126175038.04708

Square

Length = n

Perimeter	80325524
Area	403261862867161
Diagonal	28399361.361381

Cube

Length = n

Surface area	2419571177202966
Volume	8.0980551110052E+21
Space diagonal	34781972.178148

Equilateral Triangle

Length = n

Perimeter	60244143
Area	1.746175088102E+14
Altitude	17390986.089074

Triangular Pyramid

Length = n

Surface area	1.746175088102E+14
Volume	9.5436494723569E+20
Height	9466453.7871271