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

20451491 (number)

20451491 is an odd 8-digits composite number following 20451490 and preceding 20451492. In scientific notation, it is written as 2.0451491 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 6 positive divisors. There are 19897416 positive integers (up to 20451491) that are relatively prime to 20451491.

Interesting facts

20451491 has 6 divisors, whose sum is 21020580
The reverse of 20451491 is 19415402
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

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

Notation

Scientific notation	2.0451491 × 10^7
Engineering notation	2.0451491 × 10^6

Prime Factorization of 20451491

Prime Factorization 37 × 37 × 14939

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	552743	Product of the distinct prime numbers

The prime factorization of 20451491 is 37 × 37 × 14939. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 7, 67, 86, 262, 935, 804, 6918, 4808, 41181, 559892, 864284, 4614668, 4198332, 28856585, 94054642, 926365512, 591796289, 39718654, 3029377899

Basic calculations (n = 20451491)

Multiplication

n×y

n×2	40902982
n×3	61354473
n×4	81805964
n×5	102257455

Division

n÷y

n÷2	10225745.5
n÷3	6817163.6666667
n÷3	5112872.75
n÷5	4090298.2

Exponentiation

n^y

n²	418263484123081
n³	8.5541118811718E+21
n⁴	1.7494434215078E+29
n⁵	3.5778726389976E+36

Nth Root

^y√n

²√n	4522.3324734035
³√n	273.46914016019
⁴√n	67.248289743335
⁵√n	28.983110664918

Divisors of 20451491

1, 37, 1369, 14939, 552743, 20451491

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20451490	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20451491 can be divided by 6 positive divisors. The sum of these divisors (counting 20451491) is 1, the average is 0.16666666666667.

Base conversion 20451491

Base	System	Value
2	Binary	1001110000001000010100011
3	Ternary	1102111001011122
4	Quaternary	1032001002203
5	Quinary	20213421431
6	Senary	2010202455
8	Octal	116010243
10	Decimal	20451491
12	Duodecimal	6a2342b
16	Hexadecimal	13810a3
20	Vigesimal	67g8eb
36	Base36	c6cgz

Cryptographic Hash Functions

md5	a7ffc8b7d2339d5902886761f29b7cc4
sha1	edffeeb95ca6f97d8fda39b53e253f71c910d8e9
sha256	c3f863d2b2e25ed55af192de70d2f8e5be0f9da80664184abaeac36038d93454
sha512	2e1de92e2cc0c900c4f47a079026bcab76f23b85610cadef9e849ec26ce1b0c36c862798d68ca75e8c4d5e2806bdb3fbe373b1751718ff54fe0ed1abb62a52e0
ripemd-160	9b47c231ddbeedbd61f65e5e36172c2f26cfc3db

20451491 as geometric shapes

Circle

Radius = n

Diameter	40902982
Circumference	128500507.76112
Area	1.3140134889859E+15

Sphere

Radius = n

Volume	3.5831380058499E+22
Surface area	5.2560539559438E+15
Circumference	128500507.76112

Square

Length = n

Perimeter	81805964
Area	418263484123081
Diagonal	28922775.942951

Cube

Length = n

Surface area	2509580904738486
Volume	8.5541118811718E+21
Space diagonal	35423021.502538

Equilateral Triangle

Length = n

Perimeter	61354473
Area	1.8111340136299E+14
Altitude	17711510.751269

Triangular Pyramid

Length = n

Surface area	1.8111340136299E+14
Volume	1.0081117530342E+21
Height	9640925.3143171