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

21494894 (number)

21494894 is an even 8-digits composite number following 21494893 and preceding 21494895. In scientific notation, it is written as 2.1494894 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 10747446 positive integers (up to 21494894) that are relatively prime to 21494894.

Interesting facts

21494894 has 4 divisors, whose sum is 32242344
The reverse of 21494894 is 49849412
Previous prime number is 2

Basic properties

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

Name

Name	twenty-one million four hundred ninety-four thousand eight hundred ninety-four

Notation

Scientific notation	2.1494894 × 10^7
Engineering notation	2.1494894 × 10^6

Prime Factorization of 21494894

Prime Factorization 2 × 10747447

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21494894	Product of the distinct prime numbers

The prime factorization of 21494894 is 2 × 10747447. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 5, 62, 2, 471, 62, 9161, 713, 91600, 34370, 304064, 472680, 5209442, 5637215, 42934114, 42709733, 697658259, 529779327, 1621828197, 5206383752

Basic calculations (n = 21494894)

Multiplication

n×y

n×2	42989788
n×3	64484682
n×4	85979576
n×5	107474470

Division

n÷y

n÷2	10747447
n÷3	7164964.6666667
n÷3	5373723.5
n÷5	4298978.8

Exponentiation

n^y

n²	462030468071236
n³	9.9312959359616E+21
n⁴	2.1347215342613E+29
n⁵	4.5885613098463E+36

Nth Root

^y√n

²√n	4636.2586209141
³√n	278.04287419071
⁴√n	68.090077257366
⁵√n	29.272988461504

Divisors of 21494894

1, 2, 10747447, 21494894

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21494893	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494894 can be divided by 4 positive divisors. The sum of these divisors (counting 21494894) is 1, the average is 0.25.

Base conversion 21494894

Base	System	Value
2	Binary	1010001111111110001101110
3	Ternary	1111110001110012
4	Quaternary	1101333301232
5	Quinary	21000314034
6	Senary	2044413222
8	Octal	121776156
10	Decimal	21494894
12	Duodecimal	7247212
16	Hexadecimal	147fc6e
20	Vigesimal	6e6h4e
36	Base36	cspke

Cryptographic Hash Functions

md5	83c54d52960e9ec86e355ab07dff4096
sha1	164665b9852273ed8bcd9a842d995eca14327338
sha256	770fe85071f5e8efda7c22c23c6235b34754647ec13a0fe166e457d3f0445c96
sha512	beb70d34d066c1b22032416f57b72e1be97f072953b515f35e951356eaa4311a87837c87d173d68a93f45a604958e53b0877872488659ba7dd07185ad92f037a
ripemd-160	2b00051d1e6bc672adf3ddff90c897b630375829

21494894 as geometric shapes

Circle

Radius = n

Diameter	42989788
Circumference	135056402.16018
Area	1.4515115242272E+15

Sphere

Radius = n

Volume	4.1600115137391E+22
Surface area	5.806046096909E+15
Circumference	135056402.16018

Square

Length = n

Perimeter	85979576
Area	462030468071236
Diagonal	30398370.616572

Cube

Length = n

Surface area	2772182808427416
Volume	9.9312959359616E+21
Space diagonal	37230248.511307

Equilateral Triangle

Length = n

Perimeter	64484682
Area	2.0006506133605E+14
Altitude	18615124.255654

Triangular Pyramid

Length = n

Surface area	2.0006506133605E+14
Volume	1.1704144503815E+21
Height	10132790.205524