28937031 is an odd 8-digits composite number following 28937030
and preceding 28937032 . In scientific notation, it is written as 2.8937031 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 19291352 positive integers (up to 28937031) that are relatively prime to 28937031.
28937031 has 4 divisors, whose sum is 38582712
The reverse of 28937031 is 13073982
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million nine hundred thirty-seven thousand thirty-one
Scientific notation
2.8937031 × 10^7
Engineering notation
2.8937031 × 10^6
Prime Factorization
3 × 9645677
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28937031
Product of the distinct prime numbers
The prime factorization of 28937031 is 3 × 9645677.
Since it has a total of 2 prime factors.
3 , 7 , 4 , 85 , 894 , 142 , 4517 , 8853 , 38826 , 62027 , 134310 , 337866 , 4729391 , 9900372 , 31108837 , 1586173 , 189939537 , 974400709 , 1253513612 , 7059174387
n×2
57874062
n×3
86811093
n×4
115748124
n×5
144685155
n÷2
14468515.5
n÷3
9645677
n÷3
7234257.75
n÷5
5787406.2
n2
837351763094961
n3
2.4230473926584E+22
n4
7.0115797515824E+29
n5
2.0289430063051E+37
2 √n
5379.315105104
3 √n
307.00915278621
4 √n
73.343814361567
5 √n
31.066390281549
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28937030
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28937031 can be divided by 4 positive divisors.
The sum of these divisors (counting 28937031) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110011000101101000111
3
Ternary
2000110011010220
4
Quaternary
1232120231013
5
Quinary
24401441111
6
Senary
2512115423
8
Octal
156305507
10
Decimal
28937031
12
Duodecimal
9835b73
16
Hexadecimal
1b98b47
20
Vigesimal
90h2bb
36
Base36
h87yf
md5
8b4d3d489f31d5479077e42445b348d9
sha1
84d927e46e213379534e762e98afed4561ee4450
sha256
a76cf0ee56c0096cae7ef68c62f54a64a1761e42acb1524d5ff5b930a828d8e1
sha512
0c25e724486f9cb73c7d5350373ffa1961735d89b42b418c4b7e2e18b1bf18ff7ed5649628e2f8afe25ddf59c92ee66ad4eb58f786268101fe9fc5db7365e6fd
ripemd-160
be3033908968396b971ea46c29d2d56dc30c2718
Diameter
57874062
Circumference
181816728.0126
Area
2.6306181474096E+15
Volume
1.0149637184101E+23
Surface area
1.0522472589638E+16
Circumference
181816728.0126
Perimeter
115748124
Area
837351763094961
Diagonal
40923141.695011
Surface area
5024110578569766
Volume
2.4230473926584E+22
Space diagonal
50120407.912196
Perimeter
86811093
Area
3.6258394937196E+14
Altitude
25060203.956098
Surface area
3.6258394937196E+14
Volume
2.8555887374752E+21
Height
13641047.23167