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

21494493 (number)

21494493 is an odd 8-digits composite number following 21494492 and preceding 21494494. In scientific notation, it is written as 2.1494493 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 14329656 positive integers (up to 21494493) that are relatively prime to 21494493.

Interesting facts

21494493 has 4 divisors, whose sum is 23882780
The reverse of 21494493 is 39449412
Previous prime number is 9

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-four thousand four hundred ninety-three

Notation

Scientific notation	2.1494493 × 10^7
Engineering notation	2.1494493 × 10^6

Prime Factorization of 21494493

Prime Factorization 9 × 2388277

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21494493	Product of the distinct prime numbers

The prime factorization of 21494493 is 9 × 2388277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 10, 19, 540, 3, 123, 5561, 37755, 33443, 395606, 364642, 3152629, 1621528, 43072270, 43469394, 475455212, 79808002, 1616269765, 3412991010

Basic calculations (n = 21494493)

Multiplication

n×y

n×2	42988986
n×3	64483479
n×4	85977972
n×5	107472465

Division

n÷y

n÷2	10747246.5
n÷3	7164831
n÷3	5373623.25
n÷5	4298898.6

Exponentiation

n^y

n²	462013229327049
n³	9.9307401236776E+21
n⁴	2.1345622407321E+29
n⁵	4.588133314148E+36

Nth Root

^y√n

²√n	4636.2153746348
³√n	278.0411451617
⁴√n	68.089759689947
⁵√n	29.272879239696

Divisors of 21494493

1, 9, 2388277, 21494493

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	-21494492	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 21494493 can be divided by 4 positive divisors. The sum of these divisors (counting 21494493) is 1, the average is 0.25.

Base conversion 21494493

Base	System	Value
2	Binary	1010001111111101011011101
3	Ternary	1111110000220100
4	Quaternary	1101333223131
5	Quinary	21000310433
6	Senary	2044411313
8	Octal	121775335
10	Decimal	21494493
12	Duodecimal	7246b39
16	Hexadecimal	147fadd
20	Vigesimal	6e6g4d
36	Base36	csp99

Cryptographic Hash Functions

md5	42fbae5676fdc43028356774e9ebc356
sha1	9ca8afe30c63f148a9033257c045fdf13787a3f9
sha256	87985efd67bf8af2f74c4a151c6199f8b71c219eb3554221f61b3403dd14a152
sha512	362da3eebb544a54078305d80b053b018db6d6d4fab7f5361e5a8c0780b9004c0a73de53aaceda04553f6c068d845ed5a9ef56a708102cec3d0957e1fc296f3b
ripemd-160	376016213fc02cfb9cd44cfb58f36f3262ee7fcc

21494493 as geometric shapes

Circle

Radius = n

Diameter	42988986
Circumference	135053882.60287
Area	1.4514573671152E+15

Sphere

Radius = n

Volume	4.159778695634E+22
Surface area	5.8058294684606E+15
Circumference	135053882.60287

Square

Length = n

Perimeter	85977972
Area	462013229327049
Diagonal	30397803.516934

Cube

Length = n

Surface area	2772079375962294
Volume	9.9307401236776E+21
Space diagonal	37229553.958934

Equilateral Triangle

Length = n

Perimeter	64483479
Area	2.0005759674086E+14
Altitude	18614776.979467

Triangular Pyramid

Length = n

Surface area	2.0005759674086E+14
Volume	1.1703489472756E+21
Height	10132601.172311