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

21031438 (number)

21031438 is an even 8-digits composite number following 21031437 and preceding 21031439. In scientific notation, it is written as 2.1031438 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 10114272 positive integers (up to 21031438) that are relatively prime to 21031438.

Interesting facts

21031438 has 8 divisors, whose sum is 31580640
The reverse of 21031438 is 83413012
Previous prime number is 10121

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	2.1031438 × 10^7
Engineering notation	2.1031438 × 10^6

Prime Factorization of 21031438

Prime Factorization 2 × 10121 × 1039

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031438	Product of the distinct prime numbers

The prime factorization of 21031438 is 2 × 10121 × 1039. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 21, 27, 879, 172, 2159, 4056, 60859, 48649, 885908, 761402, 7548958, 3034988, 6662140, 40999202, 460044669, 257170816, 3218078181, 2368509869

Basic calculations (n = 21031438)

Multiplication

n×y

n×2	42062876
n×3	63094314
n×4	84125752
n×5	105157190

Division

n÷y

n÷2	10515719
n÷3	7010479.3333333
n÷3	5257859.5
n÷5	4206287.6

Exponentiation

n^y

n²	442321384347844
n³	9.3026547709859E+21
n⁴	1.9564820705139E+29
n⁵	4.1147631364125E+36

Nth Root

^y√n

²√n	4586.0045791517
³√n	276.03002368898
⁴√n	67.720045622782
⁵√n	29.145653242136

Divisors of 21031438

1, 2, 1039, 2078, 10121, 20242, 10515719, 21031438

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	-21031437	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 21031438 can be divided by 8 positive divisors. The sum of these divisors (counting 21031438) is 1, the average is 0.125.

Base conversion 21031438

Base	System	Value
2	Binary	1010000001110101000001110
3	Ternary	1110120111201011
4	Quaternary	1100032220032
5	Quinary	20341001223
6	Senary	2030435434
8	Octal	120165016
10	Decimal	21031438
12	Duodecimal	7062b7a
16	Hexadecimal	140ea0e
20	Vigesimal	6b8ibi
36	Base36	cirym

Cryptographic Hash Functions

md5	d21ea1dc91666b8b1647a8f62ca7856a
sha1	5ae71ef620f96d3064e274a3423391ec5460f1cf
sha256	82be2a20879bb92a1019151579ceb4317b0bcc45055ff9e6ae785575c7cbd3ee
sha512	4fcd66f0a6d5e385ec1d851f34ba234c2c30057941ee335d0084b47445df5a15ca1a018df6cbe0be1adee491a480e8215f685dc61e8fb12301fe71302eddc83a
ripemd-160	db2247b9818315670a8bce815af8c6cf5a639d88

21031438 as geometric shapes

Circle

Radius = n

Diameter	42062876
Circumference	132144422.23046
Area	1.3895936115929E+15

Sphere

Radius = n

Volume	3.8966869183215E+22
Surface area	5.5583744463714E+15
Circumference	132144422.23046

Square

Length = n

Perimeter	84125752
Area	442321384347844
Diagonal	29742944.855809

Cube

Length = n

Surface area	2653928306087064
Volume	9.3026547709859E+21
Space diagonal	36427519.172235

Equilateral Triangle

Length = n

Perimeter	63094314
Area	1.9153077774117E+14
Altitude	18213759.586117

Triangular Pyramid

Length = n

Surface area	1.9153077774117E+14
Volume	1.0963283786002E+21
Height	9914314.9519363