28138515 (number)

28138515 is an odd 8-digits composite number following 28138514 and preceding 28138516. In scientific notation, it is written as 2.8138515 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 15007200 positive integers (up to 28138515) that are relatively prime to 28138515.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-eight thousand five hundred fifteen

Notation

Scientific notation 2.8138515 × 10^7
Engineering notation 2.8138515 × 10^6

Prime Factorization of 28138515

Prime Factorization 3 × 5 × 1875901

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28138515
Product of the distinct prime numbers

The prime factorization of 28138515 is 3 × 5 × 1875901. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28138515)

Multiplication

n×y
n×2 56277030
n×3 84415545
n×4 112554060
n×5 140692575

Division

n÷y
n÷2 14069257.5
n÷3 9379505
n÷3 7034628.75
n÷5 5627703

Exponentiation

ny
n2 791776026405225
n3 2.2279401595644E+22
n4 6.2690927599005E+29
n5 1.7640296066085E+37

Nth Root

y√n
2√n 5304.5749122809
3√n 304.15880365821
4√n 72.832512741776
5√n 30.893010696924

Divisors of 28138515

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28138514
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28138515 can be divided by 8 positive divisors. The sum of these divisors (counting 28138515) is 1, the average is 0.125.

Base conversion 28138515

Base System Value
2 Binary 1101011010101110000010011
3 Ternary 1221221120210020
4 Quaternary 1223111300103
5 Quinary 24200413030
6 Senary 2443034523
8 Octal 153256023
10 Decimal 28138515
12 Duodecimal 950ba43
16 Hexadecimal 1ad5c13
20 Vigesimal 8fh65f
36 Base36 gr3tf

Cryptographic Hash Functions

md5 d374adf10c7200aeb9612c3a92ab5473
sha1 43cdd0ea948f66b40acc082de816b8eaf2ffd374
sha256 d5117aec125d7e7fbef6b5ce04bbc12e65162cfbb521799dc88412e5d0a0c5a2
sha512 a26639e7ab1f103f8e7c3fdb8e650151d449ecc958e02ea0b6269e8a32db1564edc79a397d6c2945eb194f2bcd46ba137591f100ed573729c0571e99ad6efaa9
ripemd-160 39b73587441c497fcc5fde82fe4aa4843e70812d

28138515 as geometric shapes

Circle

Radius = n
Diameter 56277030
Circumference 176799504.01385
Area 2.4874377478432E+15

Sphere

Radius = n
Volume 9.3323739172335E+22
Surface area 9.9497509913727E+15
Circumference 176799504.01385

Square

Length = n
Perimeter 112554060
Area 791776026405225
Diagonal 39793869.538039

Cube

Length = n
Surface area 4750656158431350
Volume 2.2279401595644E+22
Space diagonal 48737337.629539

Equilateral Triangle

Length = n
Perimeter 84415545
Area 3.4284907648721E+14
Altitude 24368668.814769

Triangular Pyramid

Length = n
Surface area 3.4284907648721E+14
Volume 2.6256526581764E+21
Height 13264623.179346