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

20191491 (number)

20191491 is an odd 8-digits composite number following 20191490 and preceding 20191492. In scientific notation, it is written as 2.0191491 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13460976 positive integers (up to 20191491) that are relatively prime to 20191491.

Interesting facts

20191491 has 8 divisors, whose sum is 29913360
The reverse of 20191491 is 19419102
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	2.0191491 × 10^7
Engineering notation	2.0191491 × 10^6

Prime Factorization of 20191491

Prime Factorization 3 × 9 × 747833

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20191491	Product of the distinct prime numbers

The prime factorization of 20191491 is 3 × 9 × 747833. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 81, 28, 883, 341, 6036, 1695, 89687, 80804, 291739, 713428, 4121700, 8189121, 31665767, 24579025, 455944030, 788498412, 1215299362, 3092758772

Basic calculations (n = 20191491)

Multiplication

n×y

n×2	40382982
n×3	60574473
n×4	80765964
n×5	100957455

Division

n÷y

n÷2	10095745.5
n÷3	6730497
n÷3	5047872.75
n÷5	4038298.2

Exponentiation

n^y

n²	407696308803081
n³	8.2319963499306E+21
n⁴	1.6621628021166E+29
n⁵	3.3561545259472E+36

Nth Root

^y√n

²√n	4493.4942973147
³√n	272.30532233369
⁴√n	67.033531141621
⁵√n	28.90904052691

Divisors of 20191491

1, 3, 9, 27, 747833, 2243499, 6730497, 20191491

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	-20191490	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 20191491 can be divided by 8 positive divisors. The sum of these divisors (counting 20191491) is 1, the average is 0.125.

Base conversion 20191491

Base	System	Value
2	Binary	1001101000001100100000011
3	Ternary	1101222211112000
4	Quaternary	1031001210003
5	Quinary	20132111431
6	Senary	2000435043
8	Octal	115014403
10	Decimal	20191491
12	Duodecimal	6918a83
16	Hexadecimal	1341903
20	Vigesimal	663ieb
36	Base36	c0rur

Cryptographic Hash Functions

md5	779c4934ce8a4471988f6baeb86ab374
sha1	14eefa2486e479c76f713c9d38e3e3179764fe45
sha256	5810fc2666a51db9c1496cbdc408e1a0310b10b090e8492185e950a05c1d44c2
sha512	7544312b114f19691755b4152c849ae5552a210e2fa77919b0d8f08eeeaf47e9142670abb1b4e0b8f76b37ee56ddf0e30bd702c564b8b1561c2dfe747500fba5
ripemd-160	3dd83b405aff0fcdb744a1379170474bdcbc3159

20191491 as geometric shapes

Circle

Radius = n

Diameter	40382982
Circumference	126866879.58125
Area	1.2808157286314E+15

Sphere

Radius = n

Volume	3.4482105676427E+22
Surface area	5.1232629145257E+15
Circumference	126866879.58125

Square

Length = n

Perimeter	80765964
Area	407696308803081
Diagonal	28555080.416734

Cube

Length = n

Surface area	2446177852818486
Volume	8.2319963499306E+21
Space diagonal	34972688.29257

Equilateral Triangle

Length = n

Perimeter	60574473
Area	1.7653768022631E+14
Altitude	17486344.146285

Triangular Pyramid

Length = n

Surface area	1.7653768022631E+14
Volume	9.7015007362314E+20
Height	9518360.1389114