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

21490911 (number)

21490911 is an odd 8-digits composite number following 21490910 and preceding 21490912. In scientific notation, it is written as 2.1490911 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13225104 positive integers (up to 21490911) that are relatively prime to 21490911.

Interesting facts

21490911 has 8 divisors, whose sum is 25715760
The reverse of 21490911 is 11909412
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty-one million four hundred ninety thousand nine hundred eleven

Notation

Scientific notation	2.1490911 × 10^7
Engineering notation	2.1490911 × 10^6

Prime Factorization of 21490911

Prime Factorization 9 × 13 × 183683

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21490911	Product of the distinct prime numbers

The prime factorization of 21490911 is 9 × 13 × 183683. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 56, 5, 122, 436, 7020, 9278, 46735, 87239, 374618, 831121, 9401498, 361601, 7356253, 65392823, 284424461, 531169838, 911496527, 8476127029

Basic calculations (n = 21490911)

Multiplication

n×y

n×2	42981822
n×3	64472733
n×4	85963644
n×5	107454555

Division

n÷y

n÷2	10745455.5
n÷3	7163637
n÷3	5372727.75
n÷5	4298182.2

Exponentiation

n^y

n²	461859255609921
n³	9.9257761568391E+21
n⁴	2.1331397199255E+29
n⁵	4.5843115871484E+36

Nth Root

^y√n

²√n	4635.8290520682
³√n	278.02569936495
⁴√n	68.086922768387
⁵√n	29.271903525184

Divisors of 21490911

1, 9, 13, 117, 183683, 1653147, 2387879, 21490911

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	-21490910	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 21490911 can be divided by 8 positive divisors. The sum of these divisors (counting 21490911) is 1, the average is 0.125.

Base conversion 21490911

Base	System	Value
2	Binary	1010001111110110011011111
3	Ternary	1111102211222200
4	Quaternary	1101332303133
5	Quinary	21000202121
6	Senary	2044342543
8	Octal	121766337
10	Decimal	21490911
12	Duodecimal	7244a53
16	Hexadecimal	147ecdf
20	Vigesimal	6e675b
36	Base36	csmhr

Cryptographic Hash Functions

md5	6067c47be3f4133f3b01f0577758c7d9
sha1	991afab7dcd7dc9362cd1c17983b73dcd9296b45
sha256	2ba0c1b6fe1b6f7c765976583583003c6fab4efa44e1397bfad633208142c04c
sha512	454fce504989967a374f8406b3a994a3bce79c6713e9a8a343cbe6d0dcc39146456a091263b1836350212178d469232c218a14afccd8c2641f3dabb3093a904f
ripemd-160	58c5eb579c6184f6dc70e6c374a7b43d35b84941

21490911 as geometric shapes

Circle

Radius = n

Diameter	42981822
Circumference	135031376.2331
Area	1.4509736444166E+15

Sphere

Radius = n

Volume	4.157699394067E+22
Surface area	5.8038945776663E+15
Circumference	135031376.2331

Square

Length = n

Perimeter	85963644
Area	461859255609921
Diagonal	30392737.803953

Cube

Length = n

Surface area	2771155533659526
Volume	9.9257761568391E+21
Space diagonal	37223349.752941

Equilateral Triangle

Length = n

Perimeter	64472733
Area	1.9999092416558E+14
Altitude	18611674.87647

Triangular Pyramid

Length = n

Surface area	1.9999092416558E+14
Volume	1.1697639381734E+21
Height	10130912.601318