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

21039991 (number)

21039991 is an odd 8-digits composite number following 21039990 and preceding 21039992. In scientific notation, it is written as 2.1039991 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 17805528 positive integers (up to 21039991) that are relatively prime to 21039991.

Interesting facts

21039991 has 8 divisors, whose sum is 24350720
The reverse of 21039991 is 19993012
Previous prime number is 79

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	2.1039991 × 10^7
Engineering notation	2.1039991 × 10^6

Prime Factorization of 21039991

Prime Factorization 7 × 79 × 38047

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21039991	Product of the distinct prime numbers

The prime factorization of 21039991 is 7 × 79 × 38047. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 9, 19, 336, 701, 7088, 8298, 93237, 74128, 689654, 359771, 2871048, 9618892, 94052747, 64350621, 598168226, 813268534, 284283347, 4040505407

Basic calculations (n = 21039991)

Multiplication

n×y

n×2	42079982
n×3	63119973
n×4	84159964
n×5	105199955

Division

n÷y

n÷2	10519995.5
n÷3	7013330.3333333
n÷3	5259997.75
n÷5	4207998.2

Exponentiation

n^y

n²	442681221280081
n³	9.3140089116019E+21
n⁴	1.9596666367402E+29
n⁵	4.1231368400015E+36

Nth Root

^y√n

²√n	4586.9369954252
³√n	276.06743696248
⁴√n	67.726929617584
⁵√n	29.148023429387

Divisors of 21039991

1, 7, 79, 553, 38047, 266329, 3005713, 21039991

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	-21039990	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 21039991 can be divided by 8 positive divisors. The sum of these divisors (counting 21039991) is 1, the average is 0.125.

Base conversion 21039991

Base	System	Value
2	Binary	1010000010000101101110111
3	Ternary	1110120221102221
4	Quaternary	1100100231313
5	Quinary	20341234431
6	Senary	2030543211
8	Octal	120205567
10	Decimal	21039991
12	Duodecimal	7067b07
16	Hexadecimal	1410b77
20	Vigesimal	6b9jjb
36	Base36	ciyk7

Cryptographic Hash Functions

md5	6518937ee36311654f307723db993e11
sha1	0e7ca77eb99e0334afaad2423eebd09b1fdae737
sha256	75c8ff11665bf259e76f1c21bb551c560744ecaf4c8ee40d22c7f6e14727e40c
sha512	cf206ded89ad6250ac9cd19ae6f7dc839c9f1b2ac5e1df901a2bc6170da255c3e0e1d5c9c14b2d4794bac85f748306b5ca3f41ff7a3def160d3d014dd1a2e8e0
ripemd-160	77d63eba7123e9fbd8f102e150210c6d8d785914

21039991 as geometric shapes

Circle

Radius = n

Diameter	42079982
Circumference	132198162.31439
Area	1.3907240726557E+15

Sphere

Radius = n

Volume	3.9014429296211E+22
Surface area	5.5628962906226E+15
Circumference	132198162.31439

Square

Length = n

Perimeter	84159964
Area	442681221280081
Diagonal	29755040.624408

Cube

Length = n

Surface area	2656087327680486
Volume	9.3140089116019E+21
Space diagonal	36442333.402792

Equilateral Triangle

Length = n

Perimeter	63119973
Area	1.9168659170344E+14
Altitude	18221166.701396

Triangular Pyramid

Length = n

Surface area	1.9168659170344E+14
Volume	1.0976664769043E+21
Height	9918346.8748026