21568268 (number)

21568268 is an even 8-digits composite number following 21568267 and preceding 21568269. In scientific notation, it is written as 2.1568268 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 10216512 positive integers (up to 21568268) that are relatively prime to 21568268.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand two hundred sixty-eight

Notation

Scientific notation 2.1568268 × 10^7
Engineering notation 2.1568268 × 10^6

Prime Factorization of 21568268

Prime Factorization 2 × 2 × 19 × 283793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10784134
Product of the distinct prime numbers

The prime factorization of 21568268 is 2 × 2 × 19 × 283793. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 1, 79, 218, 514, 2643, 3982, 17865, 11008, 751069, 21973, 5370756, 5192339, 64234707, 34546681, 894694886, 336147232, 7464389901, 750710384

Basic calculations (n = 21568268)

Multiplication

n×y
n×2 43136536
n×3 64704804
n×4 86273072
n×5 107841340

Division

n÷y
n÷2 10784134
n÷3 7189422.6666667
n÷3 5392067
n÷5 4313653.6

Exponentiation

ny
n2 465190184519824
n3 1.0033346570693E+22
n4 2.1640190777359E+29
n5 4.667414342572E+36

Nth Root

y√n
2√n 4644.1649410847
3√n 278.35888642333
4√n 68.148110326587
5√n 29.292946219754

Divisors of 21568268

1, 2, 4, 19, 38, 76, 283793, 567586, 1135172, 5392067, 10784134, 21568268

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568267
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568268 can be divided by 12 positive divisors. The sum of these divisors (counting 21568268) is 1, the average is 0.083333333333333.

Base conversion 21568268

Base System Value
2 Binary 1010010010001101100001100
3 Ternary 1111120210002202
4 Quaternary 1102101230030
5 Quinary 21010141033
6 Senary 2050141032
8 Octal 122215414
10 Decimal 21568268
12 Duodecimal 7281778
16 Hexadecimal 1491b0c
20 Vigesimal 6eg0d8
36 Base36 cua6k

Cryptographic Hash Functions

md5 fd17683d0c923bc89027c5aa4e59421b
sha1 30db95dccb7d90710f8b4b4e8928d6649bf7104c
sha256 ed262c7600d48dd3fa211b538638eb1ddf1f4c84d4ec7a8570cd74bf7397b234
sha512 d549dc9834572074e03314ddec61d5088ddb316c1e49ad19d59aede85ec5916974a36af33b8e8eb3c540f5a207a3e1f4b61f2e1243b920f63234b8dfa60d3c80
ripemd-160 c7f8e0e359a1111325391a9880ec7b26b08310c3

21568268 as geometric shapes

Circle

Radius = n
Diameter 43136536
Circumference 135517424.59891
Area 1.4614380662096E+15

Sphere

Radius = n
Volume 4.2027583836546E+22
Surface area 5.8457522648382E+15
Circumference 135517424.59891

Square

Length = n
Perimeter 86273072
Area 465190184519824
Diagonal 30502137.122498

Cube

Length = n
Surface area 2791141107118944
Volume 1.0033346570693E+22
Space diagonal 37357336.007262

Equilateral Triangle

Length = n
Perimeter 64704804
Area 2.0143325869267E+14
Altitude 18678668.003631

Triangular Pyramid

Length = n
Surface area 2.0143325869267E+14
Volume 1.182441233022E+21
Height 10167379.040833