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

21494731 (number)

21494731 is an odd 8-digits composite number following 21494730 and preceding 21494732. In scientific notation, it is written as 2.1494731 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21370312 positive integers (up to 21494731) that are relatively prime to 21494731.

Interesting facts

21494731 has 4 divisors, whose sum is 21619152
The reverse of 21494731 is 13749412
Previous prime number is 173

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million four hundred ninety-four thousand seven hundred thirty-one

Notation

Scientific notation	2.1494731 × 10^7
Engineering notation	2.1494731 × 10^6

Prime Factorization of 21494731

Prime Factorization 173 × 124247

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21494731	Product of the distinct prime numbers

The prime factorization of 21494731 is 173 × 124247. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 8, 20, 61, 808, 533, 4787, 1138, 12865, 88880, 680435, 392107, 2446873, 5434167, 81518526, 41966540, 738033162, 961906959, 6879126054, 9178030337

Basic calculations (n = 21494731)

Multiplication

n×y

n×2	42989462
n×3	64484193
n×4	85978924
n×5	107473655

Division

n÷y

n÷2	10747365.5
n÷3	7164910.3333333
n÷3	5373682.75
n÷5	4298946.2

Exponentiation

n^y

n²	462023460762361
n³	9.931070004776E+21
n⁴	2.1346567829483E+29
n⁵	4.5883873326799E+36

Nth Root

^y√n

²√n	4636.2410420512
³√n	278.04217137104
⁴√n	68.089948171894
⁵√n	29.272944064806

Divisors of 21494731

1, 173, 124247, 21494731

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	-21494730	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 21494731 can be divided by 4 positive divisors. The sum of these divisors (counting 21494731) is 1, the average is 0.25.

Base conversion 21494731

Base	System	Value
2	Binary	1010001111111101111001011
3	Ternary	1111110001020011
4	Quaternary	1101333233023
5	Quinary	21000312411
6	Senary	2044412351
8	Octal	121775713
10	Decimal	21494731
12	Duodecimal	72470b7
16	Hexadecimal	147fbcb
20	Vigesimal	6e6ggb
36	Base36	cspfv

Cryptographic Hash Functions

md5	6d910b91282d55b5f89abfff436abd11
sha1	6fa6f9775cb53b4c36c298b3b0266519c6aeed20
sha256	dd4d08bc046fc87994f540be026623874d57a902c2196d0e5f63fc60df5c7ff6
sha512	7ae5ee85665067d304dd3efdbcdbadac576b6eeb29434b6a52e3c01673f537ecb4e1f6dbca61167238169fd1a8e568a56705930cb85404a99dfe16f7e681354b
ripemd-160	39c87d883f9ba87795aea74a55213731cb7e04df

21494731 as geometric shapes

Circle

Radius = n

Diameter	42989462
Circumference	135055378.00098
Area	1.4514895101172E+15

Sphere

Radius = n

Volume	4.1599168759054E+22
Surface area	5.8059580404687E+15
Circumference	135055378.00098

Square

Length = n

Perimeter	85978924
Area	462023460762361
Diagonal	30398140.099761

Cube

Length = n

Surface area	2772140764574166
Volume	9.931070004776E+21
Space diagonal	37229966.187026

Equilateral Triangle

Length = n

Perimeter	64484193
Area	2.000620270823E+14
Altitude	18614983.093513

Triangular Pyramid

Length = n

Surface area	2.000620270823E+14
Volume	1.1703878241359E+21
Height	10132713.366587