28508739 (number)

28508739 is an odd 8-digits composite number following 28508738 and preceding 28508740. In scientific notation, it is written as 2.8508739 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 16290624 positive integers (up to 28508739) that are relatively prime to 28508739.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred eight thousand seven hundred thirty-nine

Notation

Scientific notation 2.8508739 × 10^7
Engineering notation 2.8508739 × 10^6

Prime Factorization of 28508739

Prime Factorization 3 × 49 × 193937

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28508739
Product of the distinct prime numbers

The prime factorization of 28508739 is 3 × 49 × 193937. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28508739)

Multiplication

n×y
n×2 57017478
n×3 85526217
n×4 114034956
n×5 142543695

Division

n÷y
n÷2 14254369.5
n÷3 9502913
n÷3 7127184.75
n÷5 5701747.8

Exponentiation

ny
n2 812748199370121
n3 2.3170426288563E+22
n4 6.6055963557937E+29
n5 1.8831722244667E+37

Nth Root

y√n
2√n 5339.3575456229
3√n 305.4869548156
4√n 73.070907655666
5√n 30.973879296701

Divisors of 28508739

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 -28508738
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 28508739 can be divided by 8 positive divisors. The sum of these divisors (counting 28508739) is 1, the average is 0.125.

Base conversion 28508739

Base System Value
2 Binary 1101100110000001001000011
3 Ternary 1222122101122020
4 Quaternary 1230300021003
5 Quinary 24244234424
6 Senary 2455012523
8 Octal 154601103
10 Decimal 28508739
12 Duodecimal 966a143
16 Hexadecimal 1b30243
20 Vigesimal 8i3bgj
36 Base36 gz1hf

Cryptographic Hash Functions

md5 eda0f2ff00195bde28dad1ccebb55de2
sha1 0d46fa7210146f0a138dd3388312817aefb0cd56
sha256 7342d32461265dfa3ff51063f30cf48bda7111bb204a4e7473ea2f324fe51a4c
sha512 7106111852385123409fb8791d75cc21992801b63ebb633b5eba02b9fdb468453d0377415c1e25e748d3038550071fbd9a39444773918f3228d4c37c3a1188cf
ripemd-160 7ebf31c74a2d3d661b99982a14baf790530731eb

28508739 as geometric shapes

Circle

Radius = n
Diameter 57017478
Circumference 179125690.01102
Area 2.5533237723595E+15

Sphere

Radius = n
Volume 9.7056054678257E+22
Surface area 1.0213295089438E+16
Circumference 179125690.01102

Square

Length = n
Perimeter 114034956
Area 812748199370121
Diagonal 40317445.339955

Cube

Length = n
Surface area 4876489196220726
Volume 2.3170426288563E+22
Space diagonal 49378584.40772

Equilateral Triangle

Length = n
Perimeter 85526217
Area 3.5193029376729E+14
Altitude 24689292.20386

Triangular Pyramid

Length = n
Surface area 3.5193029376729E+14
Volume 2.730660925271E+21
Height 13439148.446652