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

21090989 (number)

21090989 is an odd 8-digits composite number following 21090988 and preceding 21090990. In scientific notation, it is written as 2.1090989 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 21026940 positive integers (up to 21090989) that are relatively prime to 21090989.

Interesting facts

21090989 has 4 divisors, whose sum is 21155040
The reverse of 21090989 is 98909012
Previous prime number is 331

Basic properties

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

Name

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

Notation

Scientific notation	2.1090989 × 10^7
Engineering notation	2.1090989 × 10^6

Prime Factorization of 21090989

Prime Factorization 331 × 63719

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21090989	Product of the distinct prime numbers

The prime factorization of 21090989 is 331 × 63719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 6, 24, 93, 849, 109, 68, 2254, 19791, 71521, 883802, 953816, 8223092, 8190673, 28423849, 36046776, 317356847, 948343888, 6768169158, 8747323775

Basic calculations (n = 21090989)

Multiplication

n×y

n×2	42181978
n×3	63272967
n×4	84363956
n×5	105454945

Division

n÷y

n÷2	10545494.5
n÷3	7030329.6666667
n÷3	5272747.25
n÷5	4218197.8

Exponentiation

n^y

n²	444829816998121
n³	9.3819007771794E+21
n⁴	1.9787356609058E+29
n⁵	4.1733492058072E+36

Nth Root

^y√n

²√n	4592.492678274
³√n	276.29030662938
⁴√n	67.767932521761
⁵√n	29.162139897143

Divisors of 21090989

1, 331, 63719, 21090989

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	-21090988	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 21090989 can be divided by 4 positive divisors. The sum of these divisors (counting 21090989) is 1, the average is 0.25.

Base conversion 21090989

Base	System	Value
2	Binary	1010000011101001010101101
3	Ternary	1110200112101202
4	Quaternary	1100131022231
5	Quinary	20344402424
6	Senary	2032015245
8	Octal	120351255
10	Decimal	21090989
12	Duodecimal	7091525
16	Hexadecimal	141d2ad
20	Vigesimal	6bg799
36	Base36	ck1wt

Cryptographic Hash Functions

md5	82f8761cb7a45b77af4fdc5ca91bad8f
sha1	d7356695cfe8d0c74ec5d886f699a0fd9c89be48
sha256	b5a8cde2ccb59019ee9bac7d2af70582769ab1a6d37388426af79ea64c593ec6
sha512	b7dc744cb2d21faa1767bc77e8ad82369b468e94f5689acbd5d30fc6ded7d50c8fe74e38800ec38f98db018c103a0a9e56ff81a46107bfe6f51121818179c80e
ripemd-160	09d877efc488be7ad090068f2b5f4053bfd24e32

21090989 as geometric shapes

Circle

Radius = n

Diameter	42181978
Circumference	132518592.19869
Area	1.397474085179E+15

Sphere

Radius = n

Volume	3.9298814077727E+22
Surface area	5.589896340716E+15
Circumference	132518592.19869

Square

Length = n

Perimeter	84363956
Area	444829816998121
Diagonal	29827162.687662

Cube

Length = n

Surface area	2668978901988726
Volume	9.3819007771794E+21
Space diagonal	36530664.529876

Equilateral Triangle

Length = n

Perimeter	63272967
Area	1.9261696094058E+14
Altitude	18265332.264938

Triangular Pyramid

Length = n

Surface area	1.9261696094058E+14
Volume	1.1056676099938E+21
Height	9942387.5625539