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

21491038 (number)

21491038 is an even 8-digits composite number following 21491037 and preceding 21491039. In scientific notation, it is written as 2.1491038 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 10737696 positive integers (up to 21491038) that are relatively prime to 21491038.

Interesting facts

21491038 has 8 divisors, whose sum is 32260032
The reverse of 21491038 is 83019412
Previous prime number is 1777

Basic properties

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

Name

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

Notation

Scientific notation	2.1491038 × 10^7
Engineering notation	2.1491038 × 10^6

Prime Factorization of 21491038

Prime Factorization 2 × 1777 × 6047

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21491038	Product of the distinct prime numbers

The prime factorization of 21491038 is 2 × 1777 × 6047. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 16, 77, 283, 168, 3242, 7634, 44103, 28921, 911473, 612408, 6728209, 4838618, 52366954, 38841011, 650756556, 465610631, 5101906588, 3774908961

Basic calculations (n = 21491038)

Multiplication

n×y

n×2	42982076
n×3	64473114
n×4	85964152
n×5	107455190

Division

n÷y

n÷2	10745519
n÷3	7163679.3333333
n÷3	5372759.5
n÷5	4298207.6

Exponentiation

n^y

n²	461864714317444
n³	9.9259521262553E+21
n⁴	2.1331901433153E+29
n⁵	4.5844470431215E+36

Nth Root

^y√n

²√n	4635.8427497058
³√n	278.02624702584
⁴√n	68.087023357655
⁵√n	29.271938121418

Divisors of 21491038

1, 2, 1777, 3554, 6047, 12094, 10745519, 21491038

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	-21491037	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 21491038 can be divided by 8 positive divisors. The sum of these divisors (counting 21491038) is 1, the average is 0.125.

Base conversion 21491038

Base	System	Value
2	Binary	1010001111110110101011110
3	Ternary	1111102212011101
4	Quaternary	1101332311132
5	Quinary	21000203123
6	Senary	2044343314
8	Octal	121766536
10	Decimal	21491038
12	Duodecimal	7244b3a
16	Hexadecimal	147ed5e
20	Vigesimal	6e67bi
36	Base36	csmla

Cryptographic Hash Functions

md5	dd61fa89519e7a1035b1994f85516281
sha1	ac575bee2172cefc49019ffc762656cfb1dea3dd
sha256	1b9484480f3d2643c1155d2ada35fba678a3dd0e6ea03be273b626009d10aa1e
sha512	dcd9c713d1c60fcef038d8a9d716c99dd9be03ed6278b2b74a38c3db1da7b1cd6b8153f9277c31b7c4acacb6806fda9e0baa3e5d55591c5a4f6281a6f17306f1
ripemd-160	f3d15a0b0366c2efc745af4470dc9d4781eb5582

21491038 as geometric shapes

Circle

Radius = n

Diameter	42982076
Circumference	135032174.19764
Area	1.450990793452E+15

Sphere

Radius = n

Volume	4.1577731039637E+22
Surface area	5.8039631738081E+15
Circumference	135032174.19764

Square

Length = n

Perimeter	85964152
Area	461864714317444
Diagonal	30392917.409076

Cube

Length = n

Surface area	2771188285904664
Volume	9.9259521262553E+21
Space diagonal	37223569.723393

Equilateral Triangle

Length = n

Perimeter	64473114
Area	1.9999328785527E+14
Altitude	18611784.861697

Triangular Pyramid

Length = n

Surface area	1.9999328785527E+14
Volume	1.169784676368E+21
Height	10130972.469692