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

21279938 (number)

21279938 is an even 8-digits composite number following 21279937 and preceding 21279939. In scientific notation, it is written as 2.1279938 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 10494144 positive integers (up to 21279938) that are relatively prime to 21279938.

Interesting facts

21279938 has 8 divisors, whose sum is 32357388
The reverse of 21279938 is 83997212
Previous prime number is 73

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	2.1279938 × 10^7
Engineering notation	2.1279938 × 10^6

Prime Factorization of 21279938

Prime Factorization 2 × 73 × 145753

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21279938	Product of the distinct prime numbers

The prime factorization of 21279938 is 2 × 73 × 145753. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 55, 94, 390, 660, 2670, 6687, 25298, 22509, 465201, 815360, 7902458, 8977863, 11628300, 79169441, 336959213, 230001699, 6820900123, 6023370482

Basic calculations (n = 21279938)

Multiplication

n×y

n×2	42559876
n×3	63839814
n×4	85119752
n×5	106399690

Division

n÷y

n÷2	10639969
n÷3	7093312.6666667
n÷3	5319984.5
n÷5	4255987.6

Exponentiation

n^y

n²	452835761283844
n³	9.636316924303E+21
n⁴	2.0506022669752E+29
n⁵	4.3636689103891E+36

Nth Root

^y√n

²√n	4613.0183177612
³√n	277.11292732068
⁴√n	67.919204336926
⁵√n	29.214204947192

Divisors of 21279938

1, 2, 73, 146, 145753, 291506, 10639969, 21279938

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	-21279937	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 21279938 can be divided by 8 positive divisors. The sum of these divisors (counting 21279938) is 1, the average is 0.125.

Base conversion 21279938

Base	System	Value
2	Binary	1010001001011010011000010
3	Ternary	1111001010120212
4	Quaternary	1101023103002
5	Quinary	20421424223
6	Senary	2040034122
8	Octal	121132302
10	Decimal	21279938
12	Duodecimal	7162942
16	Hexadecimal	144b4c2
20	Vigesimal	6cjjgi
36	Base36	co3pe

Cryptographic Hash Functions

md5	4dbbdc12d4a64a74ccfe49ba1900364f
sha1	2eed0c563a4018b2c753008e3deb32385ed64300
sha256	8d4746cb0cba148b036c0dc65c7e6c6688b0b620806ee2a915525b26c6ca8bb6
sha512	a46854d147bfe2d3697e6ba57fe7d8127a45f8b460b1d7d6557d3afe0164334ee8dce00b2f9de298044a7436d61be72cb32796d4d566e1aba689c7e5a7609e67
ripemd-160	5979b4ab70e19bad13137ea2ecd6f8d2f811b518

21279938 as geometric shapes

Circle

Radius = n

Diameter	42559876
Circumference	133705793.77929
Area	1.4226255009321E+15

Sphere

Radius = n

Volume	4.0364509942738E+22
Surface area	5.6905020037283E+15
Circumference	133705793.77929

Square

Length = n

Perimeter	85119752
Area	452835761283844
Diagonal	30094376.926059

Cube

Length = n

Surface area	2717014567703064
Volume	9.636316924303E+21
Space diagonal	36857933.797916

Equilateral Triangle

Length = n

Perimeter	63839814
Area	1.9608363650694E+14
Altitude	18428966.898958

Triangular Pyramid

Length = n

Surface area	1.9608363650694E+14
Volume	1.1356508404729E+21
Height	10031458.975353