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

21006939 (number)

21006939 is an odd 8-digits composite number following 21006938 and preceding 21006940. In scientific notation, it is written as 2.1006939 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13976096 positive integers (up to 21006939) that are relatively prime to 21006939.

Interesting facts

21006939 has 8 divisors, whose sum is 28066320
The reverse of 21006939 is 93960012
Previous prime number is 509

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million six thousand nine hundred thirty-nine

Notation

Scientific notation	2.1006939 × 10^7
Engineering notation	2.1006939 × 10^6

Prime Factorization of 21006939

Prime Factorization 3 × 509 × 13757

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21006939	Product of the distinct prime numbers

The prime factorization of 21006939 is 3 × 509 × 13757. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 52, 40, 243, 185, 5620, 2338, 47398, 4141, 455221, 629270, 4983662, 730074, 84261319, 16334006, 394253056, 192676427, 3470331349, 8668442483

Basic calculations (n = 21006939)

Multiplication

n×y

n×2	42013878
n×3	63020817
n×4	84027756
n×5	105034695

Division

n÷y

n÷2	10503469.5
n÷3	7002313
n÷3	5251734.75
n÷5	4201387.8

Exponentiation

n^y

n²	441291486149721
n³	9.2701833307665E+21
n⁴	1.9473817574823E+29
n⁵	4.0908529789143E+36

Nth Root

^y√n

²√n	4583.3327393939
³√n	275.92280187089
⁴√n	67.700315652099
⁵√n	29.138859866446

Divisors of 21006939

1, 3, 509, 1527, 13757, 41271, 7002313, 21006939

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	-21006938	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 21006939 can be divided by 8 positive divisors. The sum of these divisors (counting 21006939) is 1, the average is 0.125.

Base conversion 21006939

Base	System	Value
2	Binary	1010000001000101001011011
3	Ternary	1110112021002210
4	Quaternary	1100020221123
5	Quinary	20334210224
6	Senary	2030130203
8	Octal	120105133
10	Decimal	21006939
12	Duodecimal	7050963
16	Hexadecimal	1408a5b
20	Vigesimal	6b5h6j
36	Base36	ci923

Cryptographic Hash Functions

md5	7f04eaab09f97c5beaf94d11e21d3caf
sha1	f681d37eb8347acbd884595fedd74dd1e7441713
sha256	cdf9982871f78899d018659f7a19ed0855d1073fff20b06fdd890677b9dac75c
sha512	db38f44728659480e496b00c4a69e70575c6d335496c4cf192d8e27023ef3b455490f7f707c38088be8caa906f98fd8225a7894113663ae274ac023a05313df4
ripemd-160	1f1beefa4f6eaa085a60a5dda6b227bcca82bb73

21006939 as geometric shapes

Circle

Radius = n

Diameter	42013878
Circumference	131990490.47362
Area	1.3863580909797E+15

Sphere

Radius = n

Volume	3.8830853132489E+22
Surface area	5.5454323639187E+15
Circumference	131990490.47362

Square

Length = n

Perimeter	84027756
Area	441291486149721
Diagonal	29708298.037744

Cube

Length = n

Surface area	2647748916898326
Volume	9.2701833307665E+21
Space diagonal	36385085.6595

Equilateral Triangle

Length = n

Perimeter	63020817
Area	1.9108481873972E+14
Altitude	18192542.82975

Triangular Pyramid

Length = n

Surface area	1.9108481873972E+14
Volume	1.0925015826713E+21
Height	9902766.0125814