28688399 (number)

28688399 is an odd 8-digits composite number following 28688398 and preceding 28688400. In scientific notation, it is written as 2.8688399 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 28569120 positive integers (up to 28688399) that are relatively prime to 28688399.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-eight thousand three hundred ninety-nine

Notation

Scientific notation 2.8688399 × 10^7
Engineering notation 2.8688399 × 10^6

Prime Factorization of 28688399

Prime Factorization 241 × 119039

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28688399
Product of the distinct prime numbers

The prime factorization of 28688399 is 241 × 119039. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 18, 24, 92, 726, 1139, 373, 3377, 88984, 176194, 926697, 5313141, 2067412, 18527868, 69820484, 370971006, 532450951, 2154841541, 1344774089

Basic calculations (n = 28688399)

Multiplication

n×y
n×2 57376798
n×3 86065197
n×4 114753596
n×5 143441995

Division

n÷y
n÷2 14344199.5
n÷3 9562799.6666667
n÷3 7172099.75
n÷5 5737679.8

Exponentiation

ny
n2 823024237183201
n3 2.3611247702982E+22
n4 6.7736889499099E+29
n5 1.9432629129691E+37

Nth Root

y√n
2√n 5356.1552442027
3√n 306.12733035152
4√n 73.185758479384
5√n 31.012820285698

Divisors of 28688399

1, 241, 119039, 28688399

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 -28688398
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 28688399 can be divided by 4 positive divisors. The sum of these divisors (counting 28688399) is 1, the average is 0.25.

Base conversion 28688399

Base System Value
2 Binary 1101101011100000000001111
3 Ternary 1222222112002022
4 Quaternary 1231130000033
5 Quinary 24321012044
6 Senary 2502520355
8 Octal 155340017
10 Decimal 28688399
12 Duodecimal 97360bb
16 Hexadecimal 1b5c00f
20 Vigesimal 8j60jj
36 Base36 h2w3z

Cryptographic Hash Functions

md5 b30da29bce39c570f21d60e8ab29b608
sha1 dca03cb9ca09aa2f8ec5208eb00f9fc075844c5b
sha256 5c4b43933268e68889a80979195527ce2ffcb75ce7df10b8b239c28a9dffc1c7
sha512 66e22dff660a507747eda57734e271d1ef3713a6f916bf49865c5c193ebe94151aa7767c15ecb18b62dff90a8facba5e89f50de46175aac81fa30450a6e7ba1a
ripemd-160 d442bbff23546be609c6e54dd1ebef730da1d4c8

28688399 as geometric shapes

Circle

Radius = n
Diameter 57376798
Circumference 180254527.08331
Area 2.5856068972611E+15

Sphere

Radius = n
Volume 9.8902563101037E+22
Surface area 1.0342427589044E+16
Circumference 180254527.08331

Square

Length = n
Perimeter 114753596
Area 823024237183201
Diagonal 40571522.948571

Cube

Length = n
Surface area 4938145423099206
Volume 2.3611247702982E+22
Space diagonal 49689764.655808

Equilateral Triangle

Length = n
Perimeter 86065197
Area 3.5637994866548E+14
Altitude 24844882.327904

Triangular Pyramid

Length = n
Surface area 3.5637994866548E+14
Volume 2.7826122271757E+21
Height 13523840.982857