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

21490906 (number)

21490906 is an even 8-digits composite number following 21490905 and preceding 21490907. In scientific notation, it is written as 2.1490906 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10738560 positive integers (up to 21490906) that are relatively prime to 21490906.

Interesting facts

21490906 has 8 divisors, whose sum is 32257044
The reverse of 21490906 is 60909412
Previous prime number is 4513

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	2.1490906 × 10^7
Engineering notation	2.1490906 × 10^6

Prime Factorization of 21490906

Prime Factorization 2 × 4513 × 2381

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21490906	Product of the distinct prime numbers

The prime factorization of 21490906 is 2 × 4513 × 2381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 10, 84, 60, 509, 981, 3746, 106, 18962, 747, 95312, 905020, 6377632, 264317, 2203018, 48513019, 492567753, 404382496, 9592912057, 4923740613

Basic calculations (n = 21490906)

Multiplication

n×y

n×2	42981812
n×3	64472718
n×4	85963624
n×5	107454530

Division

n÷y

n÷2	10745453
n÷3	7163635.3333333
n÷3	5372726.5
n÷5	4298181.2

Exponentiation

n^y

n²	461859040700836
n³	9.9257692289518E+21
n⁴	2.133137734771E+29
n⁵	4.5843062543016E+36

Nth Root

^y√n

²√n	4635.8285127904
³√n	278.02567780345
⁴√n	68.08691880817
⁵√n	29.271902163124

Divisors of 21490906

1, 2, 2381, 4513, 4762, 9026, 10745453, 21490906

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	-21490905	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 21490906 can be divided by 8 positive divisors. The sum of these divisors (counting 21490906) is 1, the average is 0.125.

Base conversion 21490906

Base	System	Value
2	Binary	1010001111110110011011010
3	Ternary	1111102211222111
4	Quaternary	1101332303122
5	Quinary	21000202111
6	Senary	2044342534
8	Octal	121766332
10	Decimal	21490906
12	Duodecimal	7244a4a
16	Hexadecimal	147ecda
20	Vigesimal	6e6756
36	Base36	csmhm

Cryptographic Hash Functions

md5	f3936589e604bf3aada764f16ca7fc71
sha1	247f1c5b09b6216948f430a38308ac1676bbbddf
sha256	c330b82f84cfca3bc7c0b9644e9377b079ca39395cc13f7c91ec751e2f5484a6
sha512	4ab5f88ef1394a32cbf1db26cc94aa3c3360d2605da7a08b7deb5520d44d72be754a633ff4fe8e5c59d1edc2908c610386bcd5d612a3b8e8901c83214577caf6
ripemd-160	489d2ce2542d7f909d5f088cc68dc80423797063

21490906 as geometric shapes

Circle

Radius = n

Diameter	42981812
Circumference	135031344.81718
Area	1.4509729692598E+15

Sphere

Radius = n

Volume	4.1576964921204E+22
Surface area	5.8038918770391E+15
Circumference	135031344.81718

Square

Length = n

Perimeter	85963624
Area	461859040700836
Diagonal	30392730.732885

Cube

Length = n

Surface area	2771154244205016
Volume	9.9257692289518E+21
Space diagonal	37223341.092687

Equilateral Triangle

Length = n

Perimeter	64472718
Area	1.9999083110722E+14
Altitude	18611670.546343

Triangular Pyramid

Length = n

Surface area	1.9999083110722E+14
Volume	1.1697631217141E+21
Height	10130910.244295