21128568 (number)

21128568 is an even 8-digits composite number following 21128567 and preceding 21128569. In scientific notation, it is written as 2.1128568 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 6892640 positive integers (up to 21128568) that are relatively prime to 21128568.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1128568 × 10^7
Engineering notation 2.1128568 × 10^6

Prime Factorization of 21128568

Prime Factorization 2 × 2 × 2 × 3 × 47 × 18731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5282142
Product of the distinct prime numbers

The prime factorization of 21128568 is 2 × 2 × 2 × 3 × 47 × 18731. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 2, 5, 35, 483, 269, 9436, 1312, 97631, 96769, 814628, 705064, 2868799, 7484229, 16016704, 55724300, 915915629, 299474338, 1977180021, 3012125968

Basic calculations (n = 21128568)

Multiplication

n×y
n×2 42257136
n×3 63385704
n×4 84514272
n×5 105642840

Division

n÷y
n÷2 10564284
n÷3 7042856
n÷3 5282142
n÷5 4225713.6

Exponentiation

ny
n2 446416385730624
n3 9.4321389622237E+21
n4 1.9928758944879E+29
n5 4.2106613852249E+36

Nth Root

y√n
2√n 4596.5822085545
3√n 276.45430325438
4√n 67.798098856491
5√n 29.172524463271

Divisors of 21128568

1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18731, 37462, 56193, 74924, 112386, 149848, 224772, 449544, 880357, 1760714, 2641071, 3521428, 5282142, 7042856, 10564284, 21128568

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21128567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21128568 can be divided by 32 positive divisors. The sum of these divisors (counting 21128568) is 1, the average is 0.03125.

Base conversion 21128568

Base System Value
2 Binary 1010000100110010101111000
3 Ternary 1110202102221120
4 Quaternary 1100212111320
5 Quinary 20402103233
6 Senary 2032505240
8 Octal 120462570
10 Decimal 21128568
12 Duodecimal 70ab220
16 Hexadecimal 1426578
20 Vigesimal 6c1188
36 Base36 ckuwo

Cryptographic Hash Functions

md5 a1fe4b895d24ec80fc99e5888b0eb200
sha1 e571a5aa571a5273e9cfc868bfe3687c0501cd36
sha256 a85e73df9d297f8de27389c07f5014dcc7728f02c86bec457c5c965599c98220
sha512 2a4f49884722d9cecbf4a6eb3dcf5eab40e62409379f3034199d0475111bcfe0be916a96c820af8e10eb73234f89dd978aacaf80f3e6d1c236f81f6de9e229a1
ripemd-160 2809f128100a5e1d33ba4d87d8d050b6d55bc5c5

21128568 as geometric shapes

Circle

Radius = n
Diameter 42257136
Circumference 132754708.01934
Area 1.4024584378534E+15

Sphere

Radius = n
Volume 3.9509251295147E+22
Surface area 5.6098337514137E+15
Circumference 132754708.01934

Square

Length = n
Perimeter 84514272
Area 446416385730624
Diagonal 29880307.419122

Cube

Length = n
Surface area 2678498314383744
Volume 9.4321389622237E+21
Space diagonal 36595753.267174

Equilateral Triangle

Length = n
Perimeter 63385704
Area 1.9330396535418E+14
Altitude 18297876.633587

Triangular Pyramid

Length = n
Surface area 1.9330396535418E+14
Volume 1.1115882368804E+21
Height 9960102.4730407