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

21490849 (number)

21490849 is an odd 8-digits composite number following 21490848 and preceding 21490850. In scientific notation, it is written as 2.1490849 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 21138480 positive integers (up to 21490849) that are relatively prime to 21490849.

Interesting facts

21490849 has 4 divisors, whose sum is 21843220
The reverse of 21490849 is 94809412
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.1490849 × 10^7
Engineering notation	2.1490849 × 10^6

Prime Factorization of 21490849

Prime Factorization 61 × 352309

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490849	Product of the distinct prime numbers

The prime factorization of 21490849 is 61 × 352309. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 80, 33, 852, 829, 9149, 8236, 59338, 45545, 447928, 121489, 5615996, 972780, 5785245, 3088498, 499420814, 877913667, 4122377790, 2072027550

Basic calculations (n = 21490849)

Multiplication

n×y

n×2	42981698
n×3	64472547
n×4	85963396
n×5	107454245

Division

n÷y

n÷2	10745424.5
n÷3	7163616.3333333
n÷3	5372712.25
n÷5	4298169.8

Exponentiation

n^y

n²	461856590740801
n³	9.9256902512654E+21
n⁴	2.1331151041072E+29
n⁵	4.5842454601986E+36

Nth Root

^y√n

²√n	4635.8223650179
³√n	278.02543200215
⁴√n	68.086873661653
⁵√n	29.271886635624

Divisors of 21490849

1, 61, 352309, 21490849

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	-21490848	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 21490849 can be divided by 4 positive divisors. The sum of these divisors (counting 21490849) is 1, the average is 0.25.

Base conversion 21490849

Base	System	Value
2	Binary	1010001111110110010100001
3	Ternary	1111102211220101
4	Quaternary	1101332302201
5	Quinary	21000201344
6	Senary	2044342401
8	Octal	121766241
10	Decimal	21490849
12	Duodecimal	7244a01
16	Hexadecimal	147eca1
20	Vigesimal	6e6729
36	Base36	csmg1

Cryptographic Hash Functions

md5	d2af368dc72d885c1ebd40bc8fc133e6
sha1	c4af40d600bb89fc1be9494ccd8fedc8fd983d24
sha256	a619a0cd04ec4d388e2135217e0906af8ebcc38f1897daca598ef02ed1d46b94
sha512	85f4972bca0f9744fe98e6b2faa6692bc18dc4bca3c517279f10db99adedb6e9c2108d5a3560feb35ad750aeec091795340cd929e72ea3e78ab568b60fb6c7a6
ripemd-160	7f831c3a8fc71343f94c12bc490dbcdd182d6fc2

21490849 as geometric shapes

Circle

Radius = n

Diameter	42981698
Circumference	135030986.67562
Area	1.4509652724833E+15

Sphere

Radius = n

Volume	4.1576634100244E+22
Surface area	5.8038610899333E+15
Circumference	135030986.67562

Square

Length = n

Perimeter	85963396
Area	461856590740801
Diagonal	30392650.122712

Cube

Length = n

Surface area	2771139544444806
Volume	9.9256902512654E+21
Space diagonal	37223242.365791

Equilateral Triangle

Length = n

Perimeter	64472547
Area	1.999897702434E+14
Altitude	18611621.182895

Triangular Pyramid

Length = n

Surface area	1.999897702434E+14
Volume	1.1697538141045E+21
Height	10130883.374237