28804945 (number)

28804945 is an odd 8-digits composite number following 28804944 and preceding 28804946. In scientific notation, it is written as 2.8804945 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 21271296 positive integers (up to 28804945) that are relatively prime to 28804945.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred four thousand nine hundred forty-five

Notation

Scientific notation 2.8804945 × 10^7
Engineering notation 2.8804945 × 10^6

Prime Factorization of 28804945

Prime Factorization 5 × 13 × 443153

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28804945
Product of the distinct prime numbers

The prime factorization of 28804945 is 5 × 13 × 443153. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 4, 58, 23, 185, 617, 8297, 5110, 83785, 58208, 202494, 865761, 9913442, 9408212, 41439563, 58807098, 682058727, 335240729, 1921216505, 6212208256

Basic calculations (n = 28804945)

Multiplication

n×y
n×2 57609890
n×3 86414835
n×4 115219780
n×5 144024725

Division

n÷y
n÷2 14402472.5
n÷3 9601648.3333333
n÷3 7201236.25
n÷5 5760989

Exponentiation

ny
n2 829724856453025
n3 2.3900178855262E+22
n4 6.8844333741599E+29
n5 1.9830572469884E+37

Nth Root

y√n
2√n 5367.0238493974
3√n 306.54131547262
4√n 73.259974402107
5√n 31.037977221275

Divisors of 28804945

1, 5, 13, 65, 443153, 2215765, 5760989, 28804945

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 -28804944
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 28804945 can be divided by 8 positive divisors. The sum of these divisors (counting 28804945) is 1, the average is 0.125.

Base conversion 28804945

Base System Value
2 Binary 1101101111000011101010001
3 Ternary 2000012102221211
4 Quaternary 1231320131101
5 Quinary 24333224240
6 Senary 2505220121
8 Octal 155703521
10 Decimal 28804945
12 Duodecimal 9791641
16 Hexadecimal 1b78751
20 Vigesimal 900c75
36 Base36 h5e1d

Cryptographic Hash Functions

md5 daf7caded08e88ca78f0df7ccd9b1ff6
sha1 e53fe35fdb625bf235ff4f804c8da853243552b9
sha256 3504b74f4daa96e002226e748ba48ace30ffb892b2c232c3404e3cee9f4ba7ac
sha512 40748370deaa62fe300aaeadd115b0bbedbaf93c0a56410c5b82efe1c2335ca04f9f1be189c1f5d3826583a8c0543daf858a7d7df8799d44df591f578ce21289
ripemd-160 24dcdc31cc7001082048cfa1c81564addfc2a3b0

28804945 as geometric shapes

Circle

Radius = n
Diameter 57609890
Circumference 180986807.19812
Area 2.6066575135337E+15

Sphere

Radius = n
Volume 1.0011283508157E+23
Surface area 1.0426630054135E+16
Circumference 180986807.19812

Square

Length = n
Perimeter 115219780
Area 829724856453025
Diagonal 40736343.882411

Cube

Length = n
Surface area 4978349138718150
Volume 2.3900178855262E+22
Space diagonal 49891628.249227

Equilateral Triangle

Length = n
Perimeter 86414835
Area 3.5928140191986E+14
Altitude 24945814.124614

Triangular Pyramid

Length = n
Surface area 3.5928140191986E+14
Volume 2.8166630900212E+21
Height 13578781.294137