28198909 (number)

28198909 is an odd 8-digits composite number following 28198908 and preceding 28198910. In scientific notation, it is written as 2.8198909 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 28137280 positive integers (up to 28198909) that are relatively prime to 28198909.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred ninety-eight thousand nine hundred nine

Notation

Scientific notation 2.8198909 × 10^7
Engineering notation 2.8198909 × 10^6

Prime Factorization of 28198909

Prime Factorization 461 × 61169

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28198909
Product of the distinct prime numbers

The prime factorization of 28198909 is 461 × 61169. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 15, 19, 998, 685, 8941, 656, 46003, 58662, 344667, 980474, 3289518, 4858658, 28625924, 81324634, 379999494, 540676123, 1338110141, 4694784026

Basic calculations (n = 28198909)

Multiplication

n×y
n×2 56397818
n×3 84596727
n×4 112795636
n×5 140994545

Division

n÷y
n÷2 14099454.5
n÷3 9399636.3333333
n÷3 7049727.25
n÷5 5639781.8

Exponentiation

ny
n2 795178468790281
n3 2.2423165280176E+22
n4 6.3230879722766E+29
n5 1.7830418232922E+37

Nth Root

y√n
2√n 5310.2644943543
3√n 304.37625460652
4√n 72.871561629722
5√n 30.9062605273

Divisors of 28198909

1, 461, 61169, 28198909

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 -28198908
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 28198909 can be divided by 4 positive divisors. The sum of these divisors (counting 28198909) is 1, the average is 0.25.

Base conversion 28198909

Base System Value
2 Binary 1101011100100011111111101
3 Ternary 1222001122122001
4 Quaternary 1223210133331
5 Quinary 24204331114
6 Senary 2444222301
8 Octal 153443775
10 Decimal 28198909
12 Duodecimal 953a991
16 Hexadecimal 1ae47fd
20 Vigesimal 8g4h59
36 Base36 gsef1

Cryptographic Hash Functions

md5 61da99f23109178fde9df57337deec47
sha1 41c08590b903f89d261882295d6bf0655eeac281
sha256 e07956f50a16f220c91dee9f4928c79a6af4cacc1581700073d41003dbfe0099
sha512 aeab6c078f8c758c20ef7db441211dceee48a4b8d5971dcdb245efa0cd44be2618baabf64518c78e77955b639acc26a5ab3a8d94ab834f82b2e3357ed4db0546
ripemd-160 1456570b08711ea2544458931b357df4b96461d2

28198909 as geometric shapes

Circle

Radius = n
Diameter 56397818
Circumference 177178970.70729
Area 2.4981268358443E+15

Sphere

Radius = n
Volume 9.392593508591E+22
Surface area 9.9925073433773E+15
Circumference 177178970.70729

Square

Length = n
Perimeter 112795636
Area 795178468790281
Diagonal 39879279.551925

Cube

Length = n
Surface area 4771070812741686
Volume 2.2423165280176E+22
Space diagonal 48841943.106011

Equilateral Triangle

Length = n
Perimeter 84596727
Area 3.443223772574E+14
Altitude 24420971.553006

Triangular Pyramid

Length = n
Surface area 3.443223772574E+14
Volume 2.6425953708799E+21
Height 13293093.183975