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

21239938 (number)

21239938 is an even 8-digits composite number following 21239937 and preceding 21239939. In scientific notation, it is written as 2.1239938 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 10461396 positive integers (up to 21239938) that are relatively prime to 21239938.

Interesting facts

21239938 has 8 divisors, whose sum is 32335632
The reverse of 21239938 is 83993212
Previous prime number is 67

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty-one million two hundred thirty-nine thousand nine hundred thirty-eight

Notation

Scientific notation	2.1239938 × 10^7
Engineering notation	2.1239938 × 10^6

Prime Factorization of 21239938

Prime Factorization 2 × 67 × 158507

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21239938	Product of the distinct prime numbers

The prime factorization of 21239938 is 2 × 67 × 158507. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 7, 46, 22, 574, 873, 1499, 2383, 32539, 87726, 16008, 867816, 6787819, 47563, 84201590, 66800135, 29652933, 565959268, 68246845, 9783196791

Basic calculations (n = 21239938)

Multiplication

n×y

n×2	42479876
n×3	63719814
n×4	84959752
n×5	106199690

Division

n÷y

n÷2	10619969
n÷3	7079979.3333333
n÷3	5309984.5
n÷5	4247987.6

Exponentiation

n^y

n²	451134966243844
n³	9.5820787126513E+21
n⁴	2.0352275776783E+29
n⁵	4.3228107565778E+36

Nth Root

^y√n

²√n	4608.6807222892
³√n	276.9391882562
⁴√n	67.887264801943
⁵√n	29.203213864273

Divisors of 21239938

1, 2, 67, 134, 158507, 317014, 10619969, 21239938

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	-21239937	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 21239938 can be divided by 8 positive divisors. The sum of these divisors (counting 21239938) is 1, the average is 0.125.

Base conversion 21239938

Base	System	Value
2	Binary	1010001000001100010000010
3	Ternary	1110222002201101
4	Quaternary	1101001202002
5	Quinary	20414134223
6	Senary	2035125014
8	Octal	121014202
10	Decimal	21239938
12	Duodecimal	714376a
16	Hexadecimal	1441882
20	Vigesimal	6cejgi
36	Base36	cn8ua

Cryptographic Hash Functions

md5	590c0e57aedeb914312a17c929d3607e
sha1	3c6da71ed4ce2634373083664e467aca694e7795
sha256	aac8304715ea9b46053787fc03206c6feffd9441b575b0205a7f7e6be67a89bd
sha512	780716d91bf32ed2dafc9fd5e2e666502d541cc228c1d21dd66b650f04a37a9cdb355449a9598cbbd49e1ec834322a5460a34d39dce92c936e1f9e753a961e37
ripemd-160	aaf92049e0ee66b0bb1cd2c8383922e11b970e58

21239938 as geometric shapes

Circle

Radius = n

Diameter	42479876
Circumference	133454466.36701
Area	1.4172822957291E+15

Sphere

Radius = n

Volume	4.0137317453046E+22
Surface area	5.6691291829166E+15
Circumference	133454466.36701

Square

Length = n

Perimeter	84959752
Area	451134966243844
Diagonal	30037808.383564

Cube

Length = n

Surface area	2706809797463064
Volume	9.5820787126513E+21
Space diagonal	36788651.765613

Equilateral Triangle

Length = n

Perimeter	63719814
Area	1.953471706513E+14
Altitude	18394325.882806

Triangular Pyramid

Length = n

Surface area	1.953471706513E+14
Volume	1.1292588059298E+21
Height	10012602.794521