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

21490909 (number)

21490909 is an odd 8-digits composite number following 21490908 and preceding 21490910. In scientific notation, it is written as 2.1490909 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 19501440 positive integers (up to 21490909) that are relatively prime to 21490909.

Interesting facts

21490909 has 8 divisors, whose sum is 23487552
The reverse of 21490909 is 90909412
Previous prime number is 673

Basic properties

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

Name

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

Notation

Scientific notation	2.1490909 × 10^7
Engineering notation	2.1490909 × 10^6

Prime Factorization of 21490909

Prime Factorization 11 × 673 × 2903

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21490909	Product of the distinct prime numbers

The prime factorization of 21490909 is 11 × 673 × 2903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 9, 7, 56, 142, 860, 1787, 8396, 5942, 24621, 214359, 597274, 4959587, 7111122, 72435938, 64526256, 363075322, 176680859, 4524089693, 5600589321

Basic calculations (n = 21490909)

Multiplication

n×y

n×2	42981818
n×3	64472727
n×4	85963636
n×5	107454545

Division

n÷y

n÷2	10745454.5
n÷3	7163636.3333333
n÷3	5372727.25
n÷5	4298181.8

Exponentiation

n^y

n²	461859169646281
n³	9.9257733856838E+21
n⁴	2.1331389258635E+29
n⁵	4.5843094540091E+36

Nth Root

^y√n

²√n	4635.8288363571
³√n	278.02569074035
⁴√n	68.0869211843
⁵√n	29.27190298036

Divisors of 21490909

1, 11, 673, 2903, 7403, 31933, 1953719, 21490909

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	-21490908	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 21490909 can be divided by 8 positive divisors. The sum of these divisors (counting 21490909) is 1, the average is 0.125.

Base conversion 21490909

Base	System	Value
2	Binary	1010001111110110011011101
3	Ternary	1111102211222121
4	Quaternary	1101332303131
5	Quinary	21000202114
6	Senary	2044342541
8	Octal	121766335
10	Decimal	21490909
12	Duodecimal	7244a51
16	Hexadecimal	147ecdd
20	Vigesimal	6e6759
36	Base36	csmhp

Cryptographic Hash Functions

md5	22cd7a2fc595d3cbba9d1769c85fbecb
sha1	d2771232d1cf558f8f86c9e07834b52be60586b3
sha256	7f3bf6d2951c4655f56df49b31921db2332a55395f40107ed70cabcdbbfb2f30
sha512	c006bf4e9becff3c4fd134abe538627875ff8cb6390457df4223c379764e09b8e36b28a943e486a4443836a431717331e3c378fc2ae3828db905b8d6ee50eb9d
ripemd-160	095f266cbf19c6d33efb6febce7600ce4187e6c4

21490909 as geometric shapes

Circle

Radius = n

Diameter	42981818
Circumference	135031363.66673
Area	1.4509733743538E+15

Sphere

Radius = n

Volume	4.1576982332882E+22
Surface area	5.8038934974154E+15
Circumference	135031363.66673

Square

Length = n

Perimeter	85963636
Area	461859169646281
Diagonal	30392734.975526

Cube

Length = n

Surface area	2771155017877686
Volume	9.9257733856838E+21
Space diagonal	37223346.288839

Equilateral Triangle

Length = n

Perimeter	64472727
Area	1.9999088694223E+14
Altitude	18611673.14442

Triangular Pyramid

Length = n

Surface area	1.9999088694223E+14
Volume	1.1697636115897E+21
Height	10130911.658509