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

21492986 (number)

21492986 is an even 8-digits composite number following 21492985 and preceding 21492987. In scientific notation, it is written as 2.1492986 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 10677888 positive integers (up to 21492986) that are relatively prime to 21492986.

Interesting facts

21492986 has 8 divisors, whose sum is 32445300
The reverse of 21492986 is 68929412
Previous prime number is 157

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	2.1492986 × 10^7
Engineering notation	2.1492986 × 10^6

Prime Factorization of 21492986

Prime Factorization 2 × 157 × 68449

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492986	Product of the distinct prime numbers

The prime factorization of 21492986 is 2 × 157 × 68449. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 4, 63, 34, 459, 371, 8390, 5488, 43803, 71796, 825970, 339959, 7243580, 1067837, 91909415, 51760760, 299511881, 981264951, 9249406241, 3844224042

Basic calculations (n = 21492986)

Multiplication

n×y

n×2	42985972
n×3	64478958
n×4	85971944
n×5	107464930

Division

n÷y

n÷2	10746493
n÷3	7164328.6666667
n÷3	5373246.5
n÷5	4298597.2

Exponentiation

n^y

n²	461948447196196
n³	9.9286515083096E+21
n⁴	2.1339636786698E+29
n⁵	4.5865251470158E+36

Nth Root

^y√n

²√n	4636.0528469809
³√n	278.03464709732
⁴√n	68.088566198599
⁵√n	29.272468758125

Divisors of 21492986

1, 2, 157, 314, 68449, 136898, 10746493, 21492986

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	-21492985	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 21492986 can be divided by 8 positive divisors. The sum of these divisors (counting 21492986) is 1, the average is 0.125.

Base conversion 21492986

Base	System	Value
2	Binary	1010001111111010011111010
3	Ternary	1111102221211112
4	Quaternary	1101333103322
5	Quinary	21000233421
6	Senary	2044400322
8	Octal	121772372
10	Decimal	21492986
12	Duodecimal	72460a2
16	Hexadecimal	147f4fa
20	Vigesimal	6e6c96
36	Base36	cso3e

Cryptographic Hash Functions

md5	8377a99154af41310770a398b9562829
sha1	d9ef667de8e1814270faee9abc7abca4bda62b06
sha256	56d9173a1a2df82e2ccb0db8d8eef5ce09cca1350626fc69e5c8533b9a5120fe
sha512	c98ab362257b35d5c5f9590a3456ab63dbc483c43c302a900790c6e1e9937394adcb4155a33bc9572903ce4e2f6a869179b0cfaa1079b5e1c4224a70cc8c8e9d
ripemd-160	f841c1a053f016a9467b22032c4cd75dac641e1b

21492986 as geometric shapes

Circle

Radius = n

Diameter	42985972
Circumference	135044413.84262
Area	1.4512538480488E+15

Sphere

Radius = n

Volume	4.1589038184745E+22
Surface area	5.8050153921951E+15
Circumference	135044413.84262

Square

Length = n

Perimeter	85971944
Area	461948447196196
Diagonal	30395672.297095

Cube

Length = n

Surface area	2771690683177176
Volume	9.9286515083096E+21
Space diagonal	37226943.758367

Equilateral Triangle

Length = n

Perimeter	64478958
Area	2.0002954525534E+14
Altitude	18613471.879183

Triangular Pyramid

Length = n

Surface area	2.0002954525534E+14
Volume	1.170102801594E+21
Height	10131890.765698