21568238 (number)

21568238 is an even 8-digits composite number following 21568237 and preceding 21568239. In scientific notation, it is written as 2.1568238 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 10468920 positive integers (up to 21568238) that are relatively prime to 21568238.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1568238 × 10^7
Engineering notation 2.1568238 × 10^6

Prime Factorization of 21568238

Prime Factorization 2 × 71 × 67 × 2267

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21568238
Product of the distinct prime numbers

The prime factorization of 21568238 is 2 × 71 × 67 × 2267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 62, 27, 477, 290, 9366, 9617, 89943, 65643, 405285, 615209, 7863921, 4091036, 24417120, 31791941, 344632315, 288681752, 7800765843, 7378327544

Basic calculations (n = 21568238)

Multiplication

n×y
n×2 43136476
n×3 64704714
n×4 86272952
n×5 107841190

Division

n÷y
n÷2 10784119
n÷3 7189412.6666667
n÷3 5392059.5
n÷5 4313647.6

Exponentiation

ny
n2 465188890424644
n3 1.0033304703635E+22
n4 2.1640070377451E+29
n5 4.6673818823762E+36

Nth Root

y√n
2√n 4644.1617112241
3√n 278.35875736382
4√n 68.148086629223
5√n 29.292938070849

Divisors of 21568238

1, 2, 67, 71, 134, 142, 2267, 4534, 4757, 9514, 151889, 160957, 303778, 321914, 10784119, 21568238

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568237
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568238 can be divided by 16 positive divisors. The sum of these divisors (counting 21568238) is 1, the average is 0.0625.

Base conversion 21568238

Base System Value
2 Binary 1010010010001101011101110
3 Ternary 1111120210001122
4 Quaternary 1102101223232
5 Quinary 21010140423
6 Senary 2050140542
8 Octal 122215356
10 Decimal 21568238
12 Duodecimal 7281752
16 Hexadecimal 1491aee
20 Vigesimal 6eg0bi
36 Base36 cua5q

Cryptographic Hash Functions

md5 dc0a34b50fb6584cb6d48a8082e57833
sha1 2c89c1020b51922d72011843bd62ae8991c485b6
sha256 e14b15c44109712e6a0b46fc8ce984884f5f3095f3b688f908597d9962c87026
sha512 3ef1df47000e3c142a0b0435fcb962c2eff899b3e008f4afc0ec0346e8e0121e8328eee36b50c5d884ce621ac39ca18f4f14290aba90b392228079dcd212c083
ripemd-160 90a8a265f1a25926833e80dbe0ac452f37e3fcc1

21568238 as geometric shapes

Circle

Radius = n
Diameter 43136476
Circumference 135517236.10335
Area 1.4614340006896E+15

Sphere

Radius = n
Volume 4.2027408464222E+22
Surface area 5.8457360027586E+15
Circumference 135517236.10335

Square

Length = n
Perimeter 86272952
Area 465188890424644
Diagonal 30502094.696091

Cube

Length = n
Surface area 2791133342547864
Volume 1.0033304703635E+22
Space diagonal 37357284.045738

Equilateral Triangle

Length = n
Perimeter 64704714
Area 2.0143269833302E+14
Altitude 18678642.022869

Triangular Pyramid

Length = n
Surface area 2.0143269833302E+14
Volume 1.1824362989418E+21
Height 10167364.898697