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

21000931 (number)

21000931 is an odd 8-digits composite number following 21000930 and preceding 21000932. In scientific notation, it is written as 2.1000931 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 18000792 positive integers (up to 21000931) that are relatively prime to 21000931.

Interesting facts

21000931 has 4 divisors, whose sum is 24001072
The reverse of 21000931 is 13900012
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-one million nine hundred thirty-one

Notation

Scientific notation	2.1000931 × 10^7
Engineering notation	2.1000931 × 10^6

Prime Factorization of 21000931

Prime Factorization 7 × 3000133

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000931	Product of the distinct prime numbers

The prime factorization of 21000931 is 7 × 3000133. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 56, 77, 134, 70, 6217, 4679, 66211, 23651, 175939, 22049, 8657312, 9196747, 48182595, 36384734, 71596201, 605682838, 2253827253, 9959052585

Basic calculations (n = 21000931)

Multiplication

n×y

n×2	42001862
n×3	63002793
n×4	84003724
n×5	105004655

Division

n÷y

n÷2	10500465.5
n÷3	7000310.3333333
n÷3	5250232.75
n÷5	4200186.2

Exponentiation

n^y

n²	441039102866761
n³	9.2622317676068E+21
n⁴	1.9451549025752E+29
n⁵	4.0850063893293E+36

Nth Root

^y√n

²√n	4582.6772742579
³√n	275.8964946547
⁴√n	67.695474547845
⁵√n	29.137192928667

Divisors of 21000931

1, 7, 3000133, 21000931

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	-21000930	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 21000931 can be divided by 4 positive divisors. The sum of these divisors (counting 21000931) is 1, the average is 0.25.

Base conversion 21000931

Base	System	Value
2	Binary	1010000000111001011100011
3	Ternary	1110111221212021
4	Quaternary	1100013023203
5	Quinary	20334012211
6	Senary	2030042311
8	Octal	120071343
10	Decimal	21000931
12	Duodecimal	7049397
16	Hexadecimal	14072e3
20	Vigesimal	6b526b
36	Base36	ci4f7

Cryptographic Hash Functions

md5	5c263a34f72593c804ea0d0c0fe9e24c
sha1	efa0dba95263f39b19ce7d7baaa24045f5a1797d
sha256	97f9dd834ec19deae1dbdc8fc3c6ca8b758da718b8083c85e11af0617a933187
sha512	5f56821390f660fc745d3324df7c2ad282fedc5a9d6bb4a5c6b7103579c681dc9c6e6c57b5a883dd246ad0787d4bbde9feed706b24d85460fede7a27c91662cf
ripemd-160	4f27baff1068f37570c10a0b962a583e19517d51

21000931 as geometric shapes

Circle

Radius = n

Diameter	42001862
Circumference	131952741.09629
Area	1.385565205512E+15

Sphere

Radius = n

Volume	3.8797545702612E+22
Surface area	5.5422608220482E+15
Circumference	131952741.09629

Square

Length = n

Perimeter	84003724
Area	441039102866761
Diagonal	29699801.442662

Cube

Length = n

Surface area	2646234617200566
Volume	9.2622317676068E+21
Space diagonal	36374679.498248

Equilateral Triangle

Length = n

Perimeter	63002793
Area	1.9097553357246E+14
Altitude	18187339.749124

Triangular Pyramid

Length = n

Surface area	1.9097553357246E+14
Volume	1.091564481966E+21
Height	9899933.8142205