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

21489966 (number)

21489966 is an even 8-digits composite number following 21489965 and preceding 21489967. In scientific notation, it is written as 2.1489966 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 7163316 positive integers (up to 21489966) that are relatively prime to 21489966.

Interesting facts

21489966 has 8 divisors, whose sum is 35816640
The reverse of 21489966 is 66998412
Previous prime number is 9

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	twenty-one million four hundred eighty-nine thousand nine hundred sixty-six

Notation

Scientific notation	2.1489966 × 10^7
Engineering notation	2.1489966 × 10^6

Prime Factorization of 21489966

Prime Factorization 2 × 9 × 1193887

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21489966	Product of the distinct prime numbers

The prime factorization of 21489966 is 2 × 9 × 1193887. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 45, 53, 625, 892, 2560, 2240, 84639, 74509, 373412, 510284, 4770778, 6705419, 51447426, 79395350, 58607529, 24340392, 1526677340, 9970693633

Basic calculations (n = 21489966)

Multiplication

n×y

n×2	42979932
n×3	64469898
n×4	85959864
n×5	107449830

Division

n÷y

n÷2	10744983
n÷3	7163322
n÷3	5372491.5
n÷5	4297993.2

Exponentiation

n^y

n²	461818638681156
n³	9.9244668434243E+21
n⁴	2.1327645503332E+29
n⁵	4.5833037672665E+36

Nth Root

^y√n

²√n	4635.727127431
³√n	278.0216241827
⁴√n	68.086174275186
⁵√n	29.271646091375

Divisors of 21489966

1, 2, 9, 18, 1193887, 2387774, 10744983, 21489966

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	-21489965	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 21489966 can be divided by 8 positive divisors. The sum of these divisors (counting 21489966) is 1, the average is 0.125.

Base conversion 21489966

Base	System	Value
2	Binary	1010001111110100100101110
3	Ternary	1111102210200200
4	Quaternary	1101332210232
5	Quinary	21000134331
6	Senary	2044334330
8	Octal	121764456
10	Decimal	21489966
12	Duodecimal	72443a6
16	Hexadecimal	147e92e
20	Vigesimal	6e64i6
36	Base36	cslri

Cryptographic Hash Functions

md5	a82c8dae096b49eeb1b8d8b8d3fc25e8
sha1	bd7cbbc849f2b2684654629204fec1d97336bd4e
sha256	564e2e69f7adec9affd7227d8ab59f6236112f4b181d6fd5c270d003fb1d7583
sha512	c1c8a37a23c582f11fc53aecf1bd8326224982347c76b76a2746419c5031c566ec6ff20b6e6964707fbdf72172c8072f446b780ef75f9183c79988499cba1d12
ripemd-160	74af48c7f38ca09e7f6e38816814bb87db2f9c8e

21489966 as geometric shapes

Circle

Radius = n

Diameter	42979932
Circumference	135025438.62299
Area	1.4508460425716E+15

Sphere

Radius = n

Volume	4.1571509501463E+22
Surface area	5.8033841702862E+15
Circumference	135025438.62299

Square

Length = n

Perimeter	85959864
Area	461818638681156
Diagonal	30391401.372137

Cube

Length = n

Surface area	2770911832086936
Volume	9.9244668434243E+21
Space diagonal	37221712.964928

Equilateral Triangle

Length = n

Perimeter	64469898
Area	1.9997333651951E+14
Altitude	18610856.482464

Triangular Pyramid

Length = n

Surface area	1.9997333651951E+14
Volume	1.1696096341077E+21
Height	10130467.124046