21568989 (number)

21568989 is an odd 8-digits composite number following 21568988 and preceding 21568990. In scientific notation, it is written as 2.1568989 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 13273200 positive integers (up to 21568989) that are relatively prime to 21568989.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand nine hundred eighty-nine

Notation

Scientific notation 2.1568989 × 10^7
Engineering notation 2.1568989 × 10^6

Prime Factorization of 21568989

Prime Factorization 3 × 13 × 553051

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21568989
Product of the distinct prime numbers

The prime factorization of 21568989 is 3 × 13 × 553051. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21568989)

Multiplication

n×y
n×2 43137978
n×3 64706967
n×4 86275956
n×5 107844945

Division

n÷y
n÷2 10784494.5
n÷3 7189663
n÷3 5392247.25
n÷5 4313797.8

Exponentiation

ny
n2 465221286482121
n3 1.0034352810699E+22
n4 2.1643084539608E+29
n5 4.6681945236087E+36

Nth Root

y√n
2√n 4644.2425647246
3√n 278.36198811762
4√n 68.148679845795
5√n 29.293142062386

Divisors of 21568989

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 -21568988
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 21568989 can be divided by 8 positive divisors. The sum of these divisors (counting 21568989) is 1, the average is 0.125.

Base conversion 21568989

Base System Value
2 Binary 1010010010001110111011101
3 Ternary 1111120211002110
4 Quaternary 1102101313131
5 Quinary 21010201424
6 Senary 2050144233
8 Octal 122216735
10 Decimal 21568989
12 Duodecimal 7282079
16 Hexadecimal 1491ddd
20 Vigesimal 6eg299
36 Base36 cuaql

Cryptographic Hash Functions

md5 cacbd5dc561c24e796f07e9640d661f5
sha1 f8bf0452013f16768b04472293a45d4970ad3a92
sha256 3ca5c6bcd73c0a10123f99504d19dc5362411fc49683117b0132605df1d464a5
sha512 4a323a558e1b48d86e575d79926e602054972a93918350c5173f1f0aeef9ab2315ac17cc71b804d6386aa001cfe7be39fb763fbc5abbb7616324b1e9ce8beea4
ripemd-160 f006dbc302fa0c428150a5b3a80a9bd04cd11ab4

21568989 as geometric shapes

Circle

Radius = n
Diameter 43137978
Circumference 135521954.77552
Area 1.4615357759058E+15

Sphere

Radius = n
Volume 4.2031798764826E+22
Surface area 5.8461431036233E+15
Circumference 135521954.77552

Square

Length = n
Perimeter 86275956
Area 465221286482121
Diagonal 30503156.770476

Cube

Length = n
Surface area 2791327718892726
Volume 1.0034352810699E+22
Space diagonal 37358584.815894

Equilateral Triangle

Length = n
Perimeter 64706967
Area 2.014467262374E+14
Altitude 18679292.407947

Triangular Pyramid

Length = n
Surface area 2.014467262374E+14
Volume 1.1825598195439E+21
Height 10167718.923492