28831909 is an odd 8-digits composite number following 28831908
and preceding 28831910 . In scientific notation, it is written as 2.8831909 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 28315056 positive integers (up to 28831909) that are relatively prime to 28831909.
28831909 has 8 divisors, whose sum is 29351520
The reverse of 28831909 is 90913882
Previous prime number is 653
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million eight hundred thirty-one thousand nine hundred nine
Scientific notation
2.8831909 × 10^7
Engineering notation
2.8831909 × 10^6
Prime Factorization
67 × 653 × 659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28831909
Product of the distinct prime numbers
The prime factorization of 28831909 is 67 × 653 × 659.
Since it has a total of 3 prime factors.
7 , 3 , 31 , 67 , 980 , 25 , 1815 , 522 , 1685 , 30344 , 159334 , 124390 , 4937998 , 6545384 , 75655489 , 78603661 , 562103410 , 179484523 , 6493466350 , 3388391847
n×2
57663818
n×3
86495727
n×4
115327636
n×5
144159545
n÷2
14415954.5
n÷3
9610636.3333333
n÷3
7207977.25
n÷5
5766381.8
n2
831278976584281
n3
2.3967359806491E+22
n4
6.9102473691101E+29
n5
1.9923562331367E+37
2 √n
5369.5352685312
3 √n
306.63693565477
4 √n
73.277112856138
5 √n
31.043785910203
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
-28831908
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 28831909 can be divided by 8 positive divisors.
The sum of these divisors (counting 28831909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101111111000010100101
3
Ternary
2000020210221111
4
Quaternary
1231333002211
5
Quinary
24340110114
6
Senary
2505545021
8
Octal
155770245
10
Decimal
28831909
12
Duodecimal
97a5171
16
Hexadecimal
1b7f0a5
20
Vigesimal
903jf9
36
Base36
h5yud
md5
b4cab7b71053d2acdcd23a308dddf462
sha1
7d0143087578fef5a4c05a9cfdb6ba4da2f9a5dd
sha256
e20c5728bfa9e1d177df97f4d6930f5712af6fe318cd95f887be97264184e595
sha512
5f549a3af676dab9d9cb08a844e620f0bb6835179017705170f79665c38d4a4e4cc76005e3ca2f31eea58ef896a79f3367ed2c48054c1e3b03d906c2ed5f237b
ripemd-160
a26d780613db1ed85fb800889953d9fc582b99fc
Diameter
57663818
Circumference
181156227.00674
Area
2.6115399259208E+15
Volume
1.0039424199202E+23
Surface area
1.0446159703683E+16
Circumference
181156227.00674
Perimeter
115327636
Area
831278976584281
Diagonal
40774476.736907
Surface area
4987673859505686
Volume
2.3967359806491E+22
Space diagonal
49938331.267202
Perimeter
86495727
Area
3.5995435567696E+14
Altitude
24969165.633601
Surface area
3.5995435567696E+14
Volume
2.8245804410513E+21
Height
13591492.245636