28487788 (number)

28487788 is an even 8-digits composite number following 28487787 and preceding 28487789. In scientific notation, it is written as 2.8487788 × 10^7. The sum of its digits is 52. It has a total of 5 prime factors and 24 positive divisors. There are 12161664 positive integers (up to 28487788) that are relatively prime to 28487788.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred eighty-seven thousand seven hundred eighty-eight

Notation

Scientific notation 2.8487788 × 10^7
Engineering notation 2.8487788 × 10^6

Prime Factorization of 28487788

Prime Factorization 2 × 2 × 7 × 277 × 3673

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14243894
Product of the distinct prime numbers

The prime factorization of 28487788 is 2 × 2 × 7 × 277 × 3673. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 10, 61, 18, 658, 578, 9760, 5417, 52168, 5822, 467741, 253281, 9135880, 6730731, 61604061, 7600054, 701110939, 434758882, 4513522103, 2984308176

Basic calculations (n = 28487788)

Multiplication

n×y
n×2 56975576
n×3 85463364
n×4 113951152
n×5 142438940

Division

n÷y
n÷2 14243894
n÷3 9495929.3333333
n÷3 7121947
n÷5 5697557.6

Exponentiation

ny
n2 811554065132944
n3 2.3119380158046E+22
n4 6.5862000063381E+29
n5 1.8762626950616E+37

Nth Root

y√n
2√n 5337.3952448737
3√n 305.41210261355
4√n 73.057479048169
5√n 30.969325432784

Divisors of 28487788

1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 3673, 3878, 7346, 7756, 14692, 25711, 51422, 102844, 1017421, 2034842, 4069684, 7121947, 14243894, 28487788

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28487787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28487788 can be divided by 24 positive divisors. The sum of these divisors (counting 28487788) is 1, the average is 0.041666666666667.

Base conversion 28487788

Base System Value
2 Binary 1101100101011000001101100
3 Ternary 1222121022220021
4 Quaternary 1230223001230
5 Quinary 24243102123
6 Senary 2454331524
8 Octal 154530154
10 Decimal 28487788
12 Duodecimal 9659ba4
16 Hexadecimal 1b2b06c
20 Vigesimal 8i0j98
36 Base36 gylbg

Cryptographic Hash Functions

md5 313e5abdb2f81f65d212e71d9bab8e18
sha1 52b4125867a51af3a2262cd959c04e18421903cb
sha256 5b3ee21f24261da6e5e776bfcf7ce74e075d642b76c620080dee6be1bafa181d
sha512 9e296f55a65424edafe4f13f48c2ff5c6632d92faab76f0c84536002e0e7fd000b9bbb1b7cdb9d1ea120c749630b96c206d33b7100dce600af8abab860f97bdb
ripemd-160 5cd43332e55ada96b39b2b35de9bf2e33081814a

28487788 as geometric shapes

Circle

Radius = n
Diameter 56975576
Circumference 178994050.99565
Area 2.5495722890126E+15

Sphere

Radius = n
Volume 9.6842233146754E+22
Surface area 1.019828915605E+16
Circumference 178994050.99565

Square

Length = n
Perimeter 113951152
Area 811554065132944
Diagonal 40287816.15161

Cube

Length = n
Surface area 4869324390797664
Volume 2.3119380158046E+22
Space diagonal 49342296.211251

Equilateral Triangle

Length = n
Perimeter 85463364
Area 3.5141321847483E+14
Altitude 24671148.105625

Triangular Pyramid

Length = n
Surface area 3.5141321847483E+14
Volume 2.7246450810973E+21
Height 13429272.050537