28804901 is an odd 8-digits composite number following 28804900
and preceding 28804902 . In scientific notation, it is written as 2.8804901 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 26735280 positive integers (up to 28804901) that are relatively prime to 28804901.
28804901 has 16 divisors, whose sum is 30965760
The reverse of 28804901 is 10940882
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million eight hundred four thousand nine hundred one
Scientific notation
2.8804901 × 10^7
Engineering notation
2.8804901 × 10^6
Prime Factorization
23 × 79 × 83 × 191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28804901
Product of the distinct prime numbers
The prime factorization of 28804901 is 23 × 79 × 83 × 191.
Since it has a total of 4 prime factors.
4 , 3 , 83 , 22 , 1 , 723 , 3137 , 3123 , 26788 , 23338 , 484553 , 457749 , 2533518 , 6676712 , 19944040 , 68094329 , 641737199 , 464155213 , 98894874 , 7995556914
n×2
57609802
n×3
86414703
n×4
115219604
n×5
144024505
n÷2
14402450.5
n÷3
9601633.6666667
n÷3
7201225.25
n÷5
5760980.2
n2
829722321619801
n3
2.3900069331749E+22
n4
6.8843913099415E+29
n5
1.9830421012813E+37
2 √n
5367.0197502897
3 √n
306.54115939033
4 √n
73.259946425654
5 √n
31.037967739071
1 , 23 , 79 , 83 , 191 , 1817 , 1909 , 4393 , 6557 , 15089 , 15853 , 150811 , 347047 , 364619 , 1252387 , 28804901
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28804900
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28804901 can be divided by 16 positive divisors.
The sum of these divisors (counting 28804901) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101111000011100100101
3
Ternary
2000012102220012
4
Quaternary
1231320130211
5
Quinary
24333224101
6
Senary
2505220005
8
Octal
155703445
10
Decimal
28804901
12
Duodecimal
9791605
16
Hexadecimal
1b78725
20
Vigesimal
900c51
36
Base36
h5e05
md5
db31e7f192ed58be2b0fb425a7601639
sha1
a2ad98276d302545f110eaae78a3cdfcc3be19c7
sha256
cc939b249ba2d6e381976959f38b544010c51f9c536278c6151588632afad6d1
sha512
f67c225be8386228c98a6f8147837ca0d0de10e0f6a9dcb2edfe832427f34ddb644b547580887c63448494fe84e99d2cace4bad4cb93dee3c6f73e0d3fe02c1a
ripemd-160
7adcfa2a3bba3ac0fb94a14d7fca9d7da45f8bc1
Diameter
57609802
Circumference
180986530.73796
Area
2.6066495501202E+15
Volume
1.0011237631054E+23
Surface area
1.0426598200481E+16
Circumference
180986530.73796
Perimeter
115219604
Area
829722321619801
Diagonal
40736281.657014
Surface area
4978333929718806
Volume
2.3900069331749E+22
Space diagonal
49891552.038992
Perimeter
86414703
Area
3.5928030430488E+14
Altitude
24945776.019496
Surface area
3.5928030430488E+14
Volume
2.8166501825513E+21
Height
13578760.552338