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

21123742 (number)

21123742 is an even 8-digits composite number following 21123741 and preceding 21123743. In scientific notation, it is written as 2.1123742 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 10527600 positive integers (up to 21123742) that are relatively prime to 21123742.

Interesting facts

21123742 has 8 divisors, whose sum is 31788432
The reverse of 21123742 is 24732112
Previous prime number is 311

Basic properties

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

Name

Name	twenty-one million one hundred twenty-three thousand seven hundred forty-two

Notation

Scientific notation	2.1123742 × 10^7
Engineering notation	2.1123742 × 10^6

Prime Factorization of 21123742

Prime Factorization 2 × 311 × 33961

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21123742	Product of the distinct prime numbers

The prime factorization of 21123742 is 2 × 311 × 33961. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 3, 10, 23, 817, 540, 8629, 149, 78918, 69501, 468043, 372544, 9852278, 542125, 49395930, 34236966, 8910705, 465718782, 9664202141, 658634460

Basic calculations (n = 21123742)

Multiplication

n×y

n×2	42247484
n×3	63371226
n×4	84494968
n×5	105618710

Division

n÷y

n÷2	10561871
n÷3	7041247.3333333
n÷3	5280935.5
n÷5	4224748.4

Exponentiation

n^y

n²	446212476082564
n³	9.4256772219493E+21
n⁴	1.9910557381173E+29
n⁵	4.205854771961E+36

Nth Root

^y√n

²√n	4596.0572233165
³√n	276.43325323875
⁴√n	67.794227064821
⁵√n	29.171191675666

Divisors of 21123742

1, 2, 311, 622, 33961, 67922, 10561871, 21123742

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	-21123741	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 21123742 can be divided by 8 positive divisors. The sum of these divisors (counting 21123742) is 1, the average is 0.125.

Base conversion 21123742

Base	System	Value
2	Binary	1010000100101001010011110
3	Ternary	1110202012022211
4	Quaternary	1100211022132
5	Quinary	20401424432
6	Senary	2032431034
8	Octal	120451236
10	Decimal	21123742
12	Duodecimal	70a847a
16	Hexadecimal	142529e
20	Vigesimal	6c0972
36	Base36	ckr6m

Cryptographic Hash Functions

md5	af12bb2f9e31772c38d7edd5e51a96ca
sha1	714ca1a39f73200932bd13f777a6d51eba2e7a96
sha256	e773ecd6a2f009cce6e7e8954735a7e583c7d127b1510c2322dfac1d44dece5c
sha512	9bd3914d090964ba2890b6d12a05f6aa7d7e73b560157e2f02e77c592abcdf02506fcc87a6eaf4018e9ab6d0d95a14c2f42fa337c6ebdb43be1793a5f2e410a9
ripemd-160	a452ddeaeba0838df18cf9f72c159be0eba255c9

21123742 as geometric shapes

Circle

Radius = n

Diameter	42247484
Circumference	132724385.36705
Area	1.4018178368011E+15

Sphere

Radius = n

Volume	3.9482184420779E+22
Surface area	5.6072713472044E+15
Circumference	132724385.36705

Square

Length = n

Perimeter	84494968
Area	446212476082564
Diagonal	29873482.42447

Cube

Length = n

Surface area	2677274856495384
Volume	9.4256772219493E+21
Space diagonal	36587394.389977

Equilateral Triangle

Length = n

Perimeter	63371226
Area	1.9321566988653E+14
Altitude	18293697.194988

Triangular Pyramid

Length = n

Surface area	1.9321566988653E+14
Volume	1.110826713486E+21
Height	9957827.4748234