28804909 is an odd 8-digits composite number following 28804908
and preceding 28804910 . In scientific notation, it is written as 2.8804909 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 24657360 positive integers (up to 28804909) that are relatively prime to 28804909.
28804909 has 8 divisors, whose sum is 32963328
The reverse of 28804909 is 90940882
Previous prime number is 911
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million eight hundred four thousand nine hundred nine
Scientific notation
2.8804909 × 10^7
Engineering notation
2.8804909 × 10^6
Prime Factorization
7 × 911 × 4517
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28804909
Product of the distinct prime numbers
The prime factorization of 28804909 is 7 × 911 × 4517.
Since it has a total of 3 prime factors.
10 , 6 , 53 , 95 , 60 , 495 , 6923 , 9806 , 45091 , 74526 , 88435 , 58499 , 6448596 , 6276604 , 62934054 , 40386087 , 634590971 , 11284209 , 5331685461 , 9187057177
n×2
57609818
n×3
86414727
n×4
115219636
n×5
144024545
n÷2
14402454.5
n÷3
9601636.3333333
n÷3
7201227.25
n÷5
5760981.8
n2
829722782498281
n3
2.390008924509E+22
n4
6.8843989579669E+29
n5
1.9830448550393E+37
2 √n
5367.0204955823
3 √n
306.54118776894
4 √n
73.259951512284
5 √n
31.037969463109
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
-28804908
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 28804909 can be divided by 8 positive divisors.
The sum of these divisors (counting 28804909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101111000011100101101
3
Ternary
2000012102220111
4
Quaternary
1231320130231
5
Quinary
24333224114
6
Senary
2505220021
8
Octal
155703455
10
Decimal
28804909
12
Duodecimal
9791611
16
Hexadecimal
1b7872d
20
Vigesimal
900c59
36
Base36
h5e0d
md5
fef834a7a6cc7e62faf4696a7dcf3e6e
sha1
11aa350f3cbe3816eb8f4f16a73de6f86f198794
sha256
8be9acc83d24a69724af772ea67ef51792bf6b661357b5bb60bad089697adc07
sha512
a4da78c6aec92dc72978849fa2e1207c325bf900e34860c3871bd1754736874ee5c71b1a9b7b1967e888deddc268a6e072b54955ba1d82ec134298796e27a650
ripemd-160
4550a01de1fa2aaeca41340ff395f046d030e26c
Diameter
57609818
Circumference
180986581.00345
Area
2.6066509980127E+15
Volume
1.0011245972335E+23
Surface area
1.0426603992051E+16
Circumference
180986581.00345
Perimeter
115219636
Area
829722782498281
Diagonal
40736292.970723
Surface area
4978336694989686
Volume
2.390008924509E+22
Space diagonal
49891565.895398
Perimeter
86414727
Area
3.5928050387111E+14
Altitude
24945782.947699
Surface area
3.5928050387111E+14
Volume
2.8166525293611E+21
Height
13578764.323574