28939970 is an even 8-digits composite number following 28939969
and preceding 28939971 . In scientific notation, it is written as 2.8939970 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 11176704 positive integers (up to 28939970) that are relatively prime to 28939970.
28939970 has 16 divisors, whose sum is 53888760
The reverse of 28939970 is 07993982
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million nine hundred thirty-nine thousand nine hundred seventy
Scientific notation
2.8939970 × 10^7
Engineering notation
2.8939970 × 10^6
Prime Factorization
2 × 5 × 29 × 99793
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28939970
Product of the distinct prime numbers
The prime factorization of 28939970 is 2 × 5 × 29 × 99793.
Since it has a total of 4 prime factors.
8 , 5 , 84 , 11 , 373 , 14 , 4541 , 5432 , 90446 , 29642 , 273702 , 516542 , 3016907 , 8818940 , 52096438 , 93188204 , 200544395 , 299315913 , 1065324766 , 6784836108
n×2
57879940
n×3
86819910
n×4
115759880
n×5
144699850
n÷2
14469985
n÷3
9646656.6666667
n÷3
7234992.5
n÷5
5787994
n2
837521863600900
n3
2.4237857606954E+22
n4
7.0144287200952E+29
n5
2.0299735672669E+37
2 √n
5379.5882742084
3 √n
307.01954626616
4 √n
73.345676588388
5 √n
31.067021309742
1 , 2 , 5 , 10 , 29 , 58 , 145 , 290 , 99793 , 199586 , 498965 , 997930 , 2893997 , 5787994 , 14469985 , 28939970
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
-28939969
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 28939970 can be divided by 16 positive divisors.
The sum of these divisors (counting 28939970) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110011001011011000010
3
Ternary
2000110022011202
4
Quaternary
1232121123002
5
Quinary
24402034340
6
Senary
2512141202
8
Octal
156313302
10
Decimal
28939970
12
Duodecimal
9837802
16
Hexadecimal
1b996c2
20
Vigesimal
90h9ia
36
Base36
h8a82
md5
0321d76da3486c9ed7241c7a711b1187
sha1
d60b6641824fdabb8693e4fce3f831067fa40163
sha256
ec7fab8e75e2a9b51827ffa49edd09cf96bc3e539820d40362f87fe3308b0e93
sha512
fad50147a7d0b92bc38b7897168c22492077a79a2179fd883f7d306508dbcd9216d06e5a71d37ee0cfcd9a6b6075ee6b7493a05eb4b0dcfb3e164b5d70343d28
ripemd-160
ccac0466481efee05575c1bc23652e119d3d2a9b
Diameter
57879940
Circumference
181835194.29422
Area
2.6311525339094E+15
Volume
1.0152730052902E+23
Surface area
1.0524610135638E+16
Circumference
181835194.29422
Perimeter
115759880
Area
837521863600900
Diagonal
40927298.068671
Surface area
5025131181605400
Volume
2.4237857606954E+22
Space diagonal
50125498.409519
Perimeter
86819910
Area
3.6265760505163E+14
Altitude
25062749.20476
Surface area
3.6265760505163E+14
Volume
2.8564589125519E+21
Height
13642432.689557