20128249 (number)

20128249 is an odd 8-digits composite number following 20128248 and preceding 20128250. In scientific notation, it is written as 2.0128249 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20113780 positive integers (up to 20128249) that are relatively prime to 20128249.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand two hundred forty-nine

Notation

Scientific notation 2.0128249 × 10^7
Engineering notation 2.0128249 × 10^6

Prime Factorization of 20128249

Prime Factorization 12911 × 1559

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20128249
Product of the distinct prime numbers

The prime factorization of 20128249 is 12911 × 1559. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 89, 86, 371, 773, 8135, 9945, 39200, 47094, 32501, 879465, 368898, 3513001, 92556083, 80758222, 344891137, 300028872, 4826972414, 6416844379

Basic calculations (n = 20128249)

Multiplication

n×y
n×2 40256498
n×3 60384747
n×4 80512996
n×5 100641245

Division

n÷y
n÷2 10064124.5
n÷3 6709416.3333333
n÷3 5032062.25
n÷5 4025649.8

Exponentiation

ny
n2 405146407806001
n3 8.1548877777747E+21
n4 1.6414361175811E+29
n5 3.3039234892265E+36

Nth Root

y√n
2√n 4486.4517160001
3√n 272.02072812767
4√n 66.980980255592
5√n 28.890908528757

Divisors of 20128249

1, 1559, 12911, 20128249

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128248
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128249 can be divided by 4 positive divisors. The sum of these divisors (counting 20128249) is 1, the average is 0.25.

Base conversion 20128249

Base System Value
2 Binary 1001100110010000111111001
3 Ternary 1101212121202201
4 Quaternary 1030302013321
5 Quinary 20123100444
6 Senary 1555230201
8 Octal 114620771
10 Decimal 20128249
12 Duodecimal 68a8361
16 Hexadecimal 13321f9
20 Vigesimal 65g0c9
36 Base36 bzf21

Cryptographic Hash Functions

md5 87019bc76f2182a6e376a967faf41574
sha1 8b015b54a5f4bf1f029df08144c61703a19d5c8e
sha256 560c78dcb001e6e8a286de64ff96e00bc231953f9ff63566432ff97b1c86dcc1
sha512 9633d40fa4e9bab8f89678b94bf8cd47a3dd973e741a9d2b9e262d5b621ba23990710ab98cd92d711dd8a339fecdb0334de9ac1902634b031298f7b2a7be320d
ripemd-160 e59a6afaa18618f344b73452a422b731d42761e3

20128249 as geometric shapes

Circle

Radius = n
Diameter 40256498
Circumference 126469518.37605
Area 1.2728049783916E+15

Sphere

Radius = n
Volume 3.4159114044675E+22
Surface area 5.0912199135665E+15
Circumference 126469518.37605

Square

Length = n
Perimeter 80512996
Area 405146407806001
Diagonal 28465642.722623

Cube

Length = n
Surface area 2430878446836006
Volume 8.1548877777747E+21
Space diagonal 34863149.935397

Equilateral Triangle

Length = n
Perimeter 60384747
Area 1.75433540706E+14
Altitude 17431574.967699

Triangular Pyramid

Length = n
Surface area 1.75433540706E+14
Volume 9.6106274124663E+20
Height 9488547.5742076