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

21493845 (number)

21493845 is an odd 8-digits composite number following 21493844 and preceding 21493846. In scientific notation, it is written as 2.1493845 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 10378368 positive integers (up to 21493845) that are relatively prime to 21493845.

Interesting facts

21493845 has 8 divisors, whose sum is 25822776
The reverse of 21493845 is 54839412
Previous prime number is 3933

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty-one million four hundred ninety-three thousand eight hundred forty-five

Notation

Scientific notation	2.1493845 × 10^7
Engineering notation	2.1493845 × 10^6

Prime Factorization of 21493845

Prime Factorization 5 × 3933 × 1093

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21493845	Product of the distinct prime numbers

The prime factorization of 21493845 is 5 × 3933 × 1093. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 86, 77, 892, 103, 4745, 9541, 34446, 65841, 150369, 731636, 5417419, 9335261, 80147349, 10513495, 621629329, 96618556, 9839455020, 7633895637

Basic calculations (n = 21493845)

Multiplication

n×y

n×2	42987690
n×3	64481535
n×4	85975380
n×5	107469225

Division

n÷y

n÷2	10746922.5
n÷3	7164615
n÷3	5373461.25
n÷5	4298769

Exponentiation

n^y

n²	461985372884025
n³	9.9298419970364E+21
n⁴	2.1343048475879E+29
n⁵	4.5874417576803E+36

Nth Root

^y√n

²√n	4636.1454895204
³√n	278.03835107436
⁴√n	68.089246504278
⁵√n	29.272702738166

Divisors of 21493845

1, 5, 1093, 3933, 5465, 19665, 4298769, 21493845

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	-21493844	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 21493845 can be divided by 8 positive divisors. The sum of these divisors (counting 21493845) is 1, the average is 0.125.

Base conversion 21493845

Base	System	Value
2	Binary	1010001111111100001010101
3	Ternary	1111110000000100
4	Quaternary	1101333201111
5	Quinary	21000300340
6	Senary	2044404313
8	Octal	121774125
10	Decimal	21493845
12	Duodecimal	7246699
16	Hexadecimal	147f855
20	Vigesimal	6e6ec5
36	Base36	csor9

Cryptographic Hash Functions

md5	657408e9aebe1028f41a5c1ea729b3bd
sha1	41d8e048010ab83525e37b3aac9836ec49bd88a5
sha256	bd71fb1f17ebe86cefb2f4eaebbdfb506d5407d1d80a608fbf3d33a7db9318f7
sha512	69d1d566d7fc00cf0f4a726b304977f8fd182b117aaa5133bffb6e1621cc722f1cc58b646ed9dc4f83ca3c3d825b32f6bcd78b9ac4086995bc1fd70b1c2a1b96
ripemd-160	3656ec6c017b4d3e6fbc276269f17bac9be4f3bf

21493845 as geometric shapes

Circle

Radius = n

Diameter	42987690
Circumference	135049811.0988
Area	1.4513698535184E+15

Sphere

Radius = n

Volume	4.1594024892263E+22
Surface area	5.8054794140736E+15
Circumference	135049811.0988

Square

Length = n

Perimeter	85975380
Area	461985372884025
Diagonal	30396887.106545

Cube

Length = n

Surface area	2771912237304150
Volume	9.9298419970364E+21
Space diagonal	37228431.59001

Equilateral Triangle

Length = n

Perimeter	64481535
Area	2.000455345472E+14
Altitude	18614215.795005

Triangular Pyramid

Length = n

Surface area	2.000455345472E+14
Volume	1.1702431020359E+21
Height	10132295.702182