28407768 (number)

28407768 is an even 8-digits composite number following 28407767 and preceding 28407769. In scientific notation, it is written as 2.8407768 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 9348768 positive integers (up to 28407768) that are relatively prime to 28407768.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8407768 × 10^7
Engineering notation 2.8407768 × 10^6

Prime Factorization of 28407768

Prime Factorization 2 × 2 × 2 × 3 × 79 × 14983

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7101942
Product of the distinct prime numbers

The prime factorization of 28407768 is 2 × 2 × 2 × 3 × 79 × 14983. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28407768)

Multiplication

n×y
n×2 56815536
n×3 85223304
n×4 113631072
n×5 142038840

Division

n÷y
n÷2 14203884
n÷3 9469256
n÷3 7101942
n÷5 5681553.6

Exponentiation

ny
n2 807001282741824
n3 2.2925105215832E+22
n4 6.5125107034695E+29
n5 1.8500589316168E+37

Nth Root

y√n
2√n 5329.8938075725
3√n 305.12587476602
4√n 73.006121712994
5√n 30.951907762354

Divisors of 28407768

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28407767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28407768 can be divided by 32 positive divisors. The sum of these divisors (counting 28407768) is 1, the average is 0.03125.

Base conversion 28407768

Base System Value
2 Binary 1101100010111011111011000
3 Ternary 1222110021010120
4 Quaternary 1230113133120
5 Quinary 24233022033
6 Senary 2452513240
8 Octal 154273730
10 Decimal 28407768
12 Duodecimal 961b820
16 Hexadecimal 1b177d8
20 Vigesimal 8haj88
36 Base36 gwvko

Cryptographic Hash Functions

md5 6b6b6429f9b8a043f26b0fe79494c2c3
sha1 19452e28f7172e72a6bd50d00b7bb3671b302c97
sha256 25fb941123d717cd6530c959134ebc6f469fdd15434d8076ba6ccd23712429bd
sha512 6c00f1a43f2c726b2ab08001e162afab016b0fce468675d47a88e619e8f072188f0099fa4493a7d952a1824935ca6943b5efdc822bc65a5b984ac88c5e547086
ripemd-160 c41e7af3faf981492a9a654f4e489cbefdcc30d8

28407768 as geometric shapes

Circle

Radius = n
Diameter 56815536
Circumference 178491270.50737
Area 2.5352693012993E+15

Sphere

Radius = n
Volume 9.6028456171775E+22
Surface area 1.0141077205197E+16
Circumference 178491270.50737

Square

Length = n
Perimeter 113631072
Area 807001282741824
Diagonal 40174650.782348

Cube

Length = n
Surface area 4842007696450944
Volume 2.2925105215832E+22
Space diagonal 49203697.505629

Equilateral Triangle

Length = n
Perimeter 85223304
Area 3.4944180587052E+14
Altitude 24601848.752815

Triangular Pyramid

Length = n
Surface area 3.4944180587052E+14
Volume 2.7017495595883E+21
Height 13391550.260783