28931070 is an even 8-digits composite number following 28931069
and preceding 28931071 . In scientific notation, it is written as 2.8931070 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6612480 positive integers (up to 28931070) that are relatively prime to 28931070.
28931070 has 16 divisors, whose sum is 46764432
The reverse of 28931070 is 07013982
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million nine hundred thirty-one thousand seventy
Scientific notation
2.8931070 × 10^7
Engineering notation
2.8931070 × 10^6
Prime Factorization
2 × 21 × 35 × 19681
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931070
Product of the distinct prime numbers
The prime factorization of 28931070 is 2 × 21 × 35 × 19681.
Since it has a total of 4 prime factors.
1 , 3 , 2 , 16 , 521 , 445 , 8313 , 8785 , 49504 , 81934 , 898844 , 636698 , 5265741 , 8630075 , 3076941 , 75113768 , 720102271 , 647955764 , 6381023565 , 5903659964
n×2
57862140
n×3
86793210
n×4
115724280
n×5
144655350
n÷2
14465535
n÷3
9643690
n÷3
7232767.5
n÷5
5786214
n2
837006811344900
n3
2.4215502649496E+22
n4
7.0058040223776E+29
n5
2.0268540657769E+37
2 √n
5378.7610097494
3 √n
306.98807014371
4 √n
73.340036881293
5 √n
31.065110246886
1 , 2 , 21 , 35 , 42 , 70 , 735 , 1470 , 19681 , 39362 , 413301 , 688835 , 826602 , 1377670 , 14465535 , 28931070
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
-28931069
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 28931070 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931070) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111001111111110
3
Ternary
2000102211222010
4
Quaternary
1232113033332
5
Quinary
24401243240
6
Senary
2512032050
8
Octal
156271776
10
Decimal
28931070
12
Duodecimal
9832626
16
Hexadecimal
1b973fe
20
Vigesimal
90g7da
36
Base36
h83cu
md5
bc278ea6073a6e3f24537725ea7b14fd
sha1
e92ffa4cbfbbc821e942782b7fae34d718427fc4
sha256
97ed63eabf4fd8113e2700d3fc5d3485125c5acf43adaa55288e365288701cdf
sha512
86b5d20b70e6d785024ae7060ed1a48d8b7d7e1f1594d25b68ba54ef4ffaa2086b988c5315d11dd4107ba699b0e2bb424c4e3ea6ebbf8eec71316f7e8e762465
ripemd-160
1796b4b1eae396227200d7bad0f8c1af7b2237ca
Diameter
57862140
Circumference
181779273.94498
Area
2.6295344495258E+15
Volume
1.0143366030219E+23
Surface area
1.0518137798103E+16
Circumference
181779273.94498
Perimeter
115724280
Area
837006811344900
Diagonal
40914711.567965
Surface area
5022040868069400
Volume
2.4215502649496E+22
Space diagonal
50110083.157332
Perimeter
86793210
Area
3.6243458088265E+14
Altitude
25055041.578666
Surface area
3.6243458088265E+14
Volume
2.8538243555499E+21
Height
13638237.189322