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

21307988 (number)

21307988 is an even 8-digits composite number following 21307987 and preceding 21307989. In scientific notation, it is written as 2.1307988 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 9834432 positive integers (up to 21307988) that are relatively prime to 21307988.

Interesting facts

21307988 has 12 divisors, whose sum is 40157460
The reverse of 21307988 is 88970312
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-one million three hundred seven thousand nine hundred eighty-eight

Notation

Scientific notation	2.1307988 × 10^7
Engineering notation	2.1307988 × 10^6

Prime Factorization of 21307988

Prime Factorization 2 × 2 × 13 × 409769

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10653994	Product of the distinct prime numbers

The prime factorization of 21307988 is 2 × 2 × 13 × 409769. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 1, 77, 110, 993, 1937, 3992, 39251, 32770, 901033, 455996, 2759651, 8516849, 1301385, 18436317, 33377752, 944148814, 3925970277, 3190023480

Basic calculations (n = 21307988)

Multiplication

n×y

n×2	42615976
n×3	63923964
n×4	85231952
n×5	106539940

Division

n÷y

n÷2	10653994
n÷3	7102662.6666667
n÷3	5326997
n÷5	4261597.6

Exponentiation

n^y

n²	454030352608144
n³	9.6744733050101E+21
n⁴	2.0614356108948E+29
n⁵	4.3925045259718E+36

Nth Root

^y√n

²√n	4616.0576252902
³√n	277.23463201102
⁴√n	67.94157508691
⁵√n	29.221902589214

Divisors of 21307988

1, 2, 4, 13, 26, 52, 409769, 819538, 1639076, 5326997, 10653994, 21307988

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21307987	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21307988 can be divided by 12 positive divisors. The sum of these divisors (counting 21307988) is 1, the average is 0.083333333333333.

Base conversion 21307988

Base	System	Value
2	Binary	1010001010010001001010100
3	Ternary	1111002120001202
4	Quaternary	1101102021110
5	Quinary	20423323423
6	Senary	2040412032
8	Octal	121221124
10	Decimal	21307988
12	Duodecimal	7177018
16	Hexadecimal	1452254
20	Vigesimal	6d39j8
36	Base36	copck

Cryptographic Hash Functions

md5	878e7536a262bedd07a5e39d3beef77f
sha1	fc351d48b05531348658a039199f9c89de7b70d8
sha256	d5038f8b8f7bab0f6b84a8bb445c792e0e11e6bf0162a8cf083a66009f20b04f
sha512	fb54859ecdec7fe2c6ef7cfe3d5810be2a4f175027dc24078717c5737f99fd7019779575e82cfa915dafab43a57dcff64fd44febfe8b2aa80f68418564362c72
ripemd-160	150e743ecb196a1a8fb9943ee6023f0a06e42cd9

21307988 as geometric shapes

Circle

Radius = n

Diameter	42615976
Circumference	133882037.12716
Area	1.4263784202605E+15

Sphere

Radius = n

Volume	4.0524339016494E+22
Surface area	5.7055136810421E+15
Circumference	133882037.12716

Square

Length = n

Perimeter	85231952
Area	454030352608144
Diagonal	30134045.616483

Cube

Length = n

Surface area	2724182115648864
Volume	9.6744733050101E+21
Space diagonal	36906517.823068

Equilateral Triangle

Length = n

Perimeter	63923964
Area	1.9660090972393E+14
Altitude	18453258.911534

Triangular Pyramid

Length = n

Surface area	1.9660090972393E+14
Volume	1.1401476130635E+21
Height	10044681.872161