21728298 (number)

21728298 is an even 8-digits composite number following 21728297 and preceding 21728299. In scientific notation, it is written as 2.1728298 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 7234656 positive integers (up to 21728298) that are relatively prime to 21728298.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred twenty-eight thousand two hundred ninety-eight

Notation

Scientific notation 2.1728298 × 10^7
Engineering notation 2.1728298 × 10^6

Prime Factorization of 21728298

Prime Factorization 2 × 3 × 2729 × 1327

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21728298
Product of the distinct prime numbers

The prime factorization of 21728298 is 2 × 3 × 2729 × 1327. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 96, 72, 350, 158, 911, 8227, 69811, 61037, 179944, 295321, 6523359, 5679297, 41448131, 77512661, 795361001, 620960174, 7711982658, 9571854730

Basic calculations (n = 21728298)

Multiplication

n×y
n×2 43456596
n×3 65184894
n×4 86913192
n×5 108641490

Division

n÷y
n÷2 10864149
n÷3 7242766
n÷3 5432074.5
n÷5 4345659.6

Exponentiation

ny
n2 472118933976804
n3 1.025834088889E+22
n4 2.2289628781939E+29
n5 4.8431569648336E+36

Nth Root

y√n
2√n 4661.3622472406
3√n 279.04563686089
4√n 68.274169692795
5√n 29.33628673395

Divisors of 21728298

1, 2, 3, 6, 1327, 2654, 2729, 3981, 5458, 7962, 8187, 16374, 3621383, 7242766, 10864149, 21728298

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 -21728297
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 21728298 can be divided by 16 positive divisors. The sum of these divisors (counting 21728298) is 1, the average is 0.0625.

Base conversion 21728298

Base System Value
2 Binary 1010010111000110000101010
3 Ternary 1111212220121210
4 Quaternary 1102320300222
5 Quinary 21030301143
6 Senary 2053413550
8 Octal 122706052
10 Decimal 21728298
12 Duodecimal 733a2b6
16 Hexadecimal 14b8c2a
20 Vigesimal 6fg0ei
36 Base36 cxpnu

Cryptographic Hash Functions

md5 00cf3ff51161f8fade33970bdeb4f4c5
sha1 a9dcaa59957fd3f3c3ba01b963ff0ce8c3e95811
sha256 54d0d844e9a8a7eb54dadf2acd453bd5237f3bd905ce30fc1534a31abc46d51b
sha512 3f11fa10abf9ac9662b4fc517f49d51a9e8699811f778cf3b42b52fb013a26c3fcbd286a67b4a09e3c9c79d2cbf354cabd00b58b3f3ba605159feb05fd7f34c6
ripemd-160 338112ec2d967a0321077499297b6c78f1bfec62

21728298 as geometric shapes

Circle

Radius = n
Diameter 43456596
Circumference 136522922.74362
Area 1.4832053746022E+15

Sphere

Radius = n
Volume 4.2970037832744E+22
Surface area 5.9328214984087E+15
Circumference 136522922.74362

Square

Length = n
Perimeter 86913192
Area 472118933976804
Diagonal 30728453.718884

Cube

Length = n
Surface area 2832713603860824
Volume 1.025834088889E+22
Space diagonal 37634516.097997

Equilateral Triangle

Length = n
Perimeter 65184894
Area 2.0443349521577E+14
Altitude 18817258.048999

Triangular Pyramid

Length = n
Surface area 2.0443349521577E+14
Volume 1.2089570677096E+21
Height 10242817.906295