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

20138491 (number)

20138491 is an odd 8-digits composite number following 20138490 and preceding 20138492. In scientific notation, it is written as 2.0138491 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 19471200 positive integers (up to 20138491) that are relatively prime to 20138491.

Interesting facts

20138491 has 8 divisors, whose sum is 20815344
The reverse of 20138491 is 19483102
Previous prime number is 101

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0138491 × 10^7
Engineering notation	2.0138491 × 10^6

Prime Factorization of 20138491

Prime Factorization 43 × 101 × 4637

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20138491	Product of the distinct prime numbers

The prime factorization of 20138491 is 43 × 101 × 4637. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 90, 98, 233, 779, 6642, 7581, 57573, 37334, 253392, 674003, 5961353, 890204, 55529789, 93846345, 903124466, 390973748, 5395197276, 7031083061

Basic calculations (n = 20138491)

Multiplication

n×y

n×2	40276982
n×3	60415473
n×4	80553964
n×5	100692455

Division

n÷y

n÷2	10069245.5
n÷3	6712830.3333333
n÷3	5034622.75
n÷5	4027698.2

Exponentiation

n^y

n²	405558819757081
n³	8.1673426416486E+21
n⁴	1.6447795628276E+29
n⁵	3.3123378422987E+36

Nth Root

^y√n

²√n	4487.5930073927
³√n	272.06685838445
⁴√n	66.989499232288
⁵√n	28.893848083782

Divisors of 20138491

1, 43, 101, 4343, 4637, 199391, 468337, 20138491

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	-20138490	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 20138491 can be divided by 8 positive divisors. The sum of these divisors (counting 20138491) is 1, the average is 0.125.

Base conversion 20138491

Base	System	Value
2	Binary	1001100110100100111111011
3	Ternary	1101220010211001
4	Quaternary	1030310213323
5	Quinary	20123412431
6	Senary	1555345431
8	Octal	114644773
10	Decimal	20138491
12	Duodecimal	68b2277
16	Hexadecimal	13349fb
20	Vigesimal	65h64b
36	Base36	bzmyj

Cryptographic Hash Functions

md5	1c6916fb980603f69dc2b6098d10e761
sha1	95ce80dabb00ca616bb850b1697759a62f0f77c9
sha256	666d10e61724ecbbc04700b96e40a96857e8a003449621a0ad4d58f9b50de15e
sha512	61a3b598cbd53b3e270257c5282f8a40591cd0f214c27425902ffc93343258904d0f10741c09c9a15e62a421e22f1bd86179c787b54e803679403e9648fee26c
ripemd-160	cb3de63eaeca1dff4e6d3579041b11ded42a9923

20138491 as geometric shapes

Circle

Radius = n

Diameter	40276982
Circumference	126533870.75997
Area	1.2741006087474E+15

Sphere

Radius = n

Volume	3.4211284856472E+22
Surface area	5.0964024349896E+15
Circumference	126533870.75997

Square

Length = n

Perimeter	80553964
Area	405558819757081
Diagonal	28480127.097929

Cube

Length = n

Surface area	2433352918542486
Volume	8.1673426416486E+21
Space diagonal	34880889.599769

Equilateral Triangle

Length = n

Perimeter	60415473
Area	1.7561212031923E+14
Altitude	17440444.799884

Triangular Pyramid

Length = n

Surface area	1.7561212031923E+14
Volume	9.6253056103063E+20
Height	9493375.6993095