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

21493906 (number)

21493906 is an even 8-digits composite number following 21493905 and preceding 21493907. In scientific notation, it is written as 2.1493906 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 9211668 positive integers (up to 21493906) that are relatively prime to 21493906.

Interesting facts

21493906 has 8 divisors, whose sum is 36846720
The reverse of 21493906 is 60939412
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-one million four hundred ninety-three thousand nine hundred six

Notation

Scientific notation	2.1493906 × 10^7
Engineering notation	2.1493906 × 10^6

Prime Factorization of 21493906

Prime Factorization 2 × 7 × 1535279

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21493906	Product of the distinct prime numbers

The prime factorization of 21493906 is 2 × 7 × 1535279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 1, 60, 80, 618, 45, 1496, 9781, 32238, 88073, 602702, 322492, 8920656, 3522636, 5871668, 29753455, 252963547, 26559106, 7409526076, 7223802870

Basic calculations (n = 21493906)

Multiplication

n×y

n×2	42987812
n×3	64481718
n×4	85975624
n×5	107469530

Division

n÷y

n÷2	10746953
n÷3	7164635.3333333
n÷3	5373476.5
n÷5	4298781.2

Exponentiation

n^y

n²	461987995136836
n³	9.9299265405996E+21
n⁴	2.1343290765055E+29
n⁵	4.5875068543477E+36

Nth Root

^y√n

²√n	4636.1520682566
³√n	278.03861410041
⁴√n	68.089294813918
⁵√n	29.27271935346

Divisors of 21493906

1, 2, 7, 14, 1535279, 3070558, 10746953, 21493906

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	-21493905	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 21493906 can be divided by 8 positive divisors. The sum of these divisors (counting 21493906) is 1, the average is 0.125.

Base conversion 21493906

Base	System	Value
2	Binary	1010001111111100010010010
3	Ternary	1111110000002121
4	Quaternary	1101333202102
5	Quinary	21000301111
6	Senary	2044404454
8	Octal	121774222
10	Decimal	21493906
12	Duodecimal	724672a
16	Hexadecimal	147f892
20	Vigesimal	6e6ef6
36	Base36	csosy

Cryptographic Hash Functions

md5	7b09aed1253dbea373eb0df67a7e3ea7
sha1	33e90cd1984daaae4af69bed117e811f318e3992
sha256	e7d1b4fd6a52ab5d341b6a0c3151349dec1d6585be27a6fdc7738749c491a7a1
sha512	7e876dfdb21d819cec506caf0e860f3258c36fccf1f710f05a71521cc78fda3d276edfa5b1301291da45ef345b715bae378b8e37b70440409ab025678af751ba
ripemd-160	5f6f1287095533b404d5cd49df3ee7dcd3fd4719

21493906 as geometric shapes

Circle

Radius = n

Diameter	42987812
Circumference	135050194.3731
Area	1.4513780915686E+15

Sphere

Radius = n

Volume	4.1594379027512E+22
Surface area	5.8055123662742E+15
Circumference	135050194.3731

Square

Length = n

Perimeter	85975624
Area	461987995136836
Diagonal	30396973.373572

Cube

Length = n

Surface area	2771927970821016
Volume	9.9299265405996E+21
Space diagonal	37228537.24511

Equilateral Triangle

Length = n

Perimeter	64481718
Area	2.0004667001597E+14
Altitude	18614268.622555

Triangular Pyramid

Length = n

Surface area	2.0004667001597E+14
Volume	1.1702530655904E+21
Height	10132324.457857