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

20081491 (number)

20081491 is an odd 8-digits composite number following 20081490 and preceding 20081492. In scientific notation, it is written as 2.0081491 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19476288 positive integers (up to 20081491) that are relatively prime to 20081491.

Interesting facts

20081491 has 8 divisors, whose sum is 20690240
The reverse of 20081491 is 19418002
Previous prime number is 409

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0081491 × 10^7
Engineering notation	2.0081491 × 10^6

Prime Factorization of 20081491

Prime Factorization 37 × 409 × 1327

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20081491	Product of the distinct prime numbers

The prime factorization of 20081491 is 37 × 409 × 1327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 10, 75, 41, 875, 467, 710, 2905, 12498, 97031, 992141, 424907, 6056371, 8853245, 36246908, 38820017, 63981330, 563169682, 7871607463, 499496051

Basic calculations (n = 20081491)

Multiplication

n×y

n×2	40162982
n×3	60244473
n×4	80325964
n×5	100407455

Division

n÷y

n÷2	10040745.5
n÷3	6693830.3333333
n÷3	5020372.75
n÷5	4016298.2

Exponentiation

n^y

n²	403266280783081
n³	8.0981881881489E+21
n⁴	1.6262369321662E+29
n⁵	3.2657262317163E+36

Nth Root

^y√n

²√n	4481.2376638603
³√n	271.80992974823
⁴√n	66.9420470546
⁵√n	28.877473300544

Divisors of 20081491

1, 37, 409, 1327, 15133, 49099, 542743, 20081491

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	-20081490	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 20081491 can be divided by 8 positive divisors. The sum of these divisors (counting 20081491) is 1, the average is 0.125.

Base conversion 20081491

Base	System	Value
2	Binary	1001100100110101101010011
3	Ternary	1101210020121221
4	Quaternary	1030212231103
5	Quinary	20120101431
6	Senary	1554225511
8	Octal	114465523
10	Decimal	20081491
12	Duodecimal	6885297
16	Hexadecimal	1326b53
20	Vigesimal	65a3eb
36	Base36	byez7

Cryptographic Hash Functions

md5	2c6efad82e0d2071760b4b207816c216
sha1	3e1ec76b94d1056158ca2ffaffcd5e8e6af834cc
sha256	6373deb9384204a07fc083f7d4deb152b11f386a9e16adbd1e0b5ec65fbadb8a
sha512	cb40f3233ef44f122e830352b66a66f30500ad147b263389626fe86d1a36974c8a9af8013895c996b0d5f40d393ddfc4e1ea8da404711b2590a9761ce1c35939
ripemd-160	6ddd0c57f2958a21ea52870cd7a9d4f7a82b3769

20081491 as geometric shapes

Circle

Radius = n

Diameter	40162982
Circumference	126175729.19746
Area	1.2668983851486E+15

Sphere

Radius = n

Volume	3.3921611359035E+22
Surface area	5.0675935405944E+15
Circumference	126175729.19746

Square

Length = n

Perimeter	80325964
Area	403266280783081
Diagonal	28399516.924873

Cube

Length = n

Surface area	2419597684698486
Volume	8.0981881881489E+21
Space diagonal	34782162.703737

Equilateral Triangle

Length = n

Perimeter	60244473
Area	1.7461942182391E+14
Altitude	17391081.351869

Triangular Pyramid

Length = n

Surface area	1.7461942182391E+14
Volume	9.5438063052748E+20
Height	9466505.6416244