28939967 is an odd 8-digits composite number following 28939966
and preceding 28939968 . In scientific notation, it is written as 2.8939967 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 23182848 positive integers (up to 28939967) that are relatively prime to 28939967.
28939967 has 16 divisors, whose sum is 35265600
The reverse of 28939967 is 76993982
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-eight million nine hundred thirty-nine thousand nine hundred sixty-seven
Scientific notation
2.8939967 × 10^7
Engineering notation
2.8939967 × 10^6
Prime Factorization
7 × 17 × 157 × 1549
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28939967
Product of the distinct prime numbers
The prime factorization of 28939967 is 7 × 17 × 157 × 1549.
Since it has a total of 4 prime factors.
6 , 3 , 45 , 55 , 173 , 904 , 4608 , 7210 , 52865 , 53347 , 573716 , 306756 , 7893131 , 9287630 , 50703337 , 31535658 , 141623955 , 978137363 , 9555236747 , 9934606844
n×2
57879934
n×3
86819901
n×4
115759868
n×5
144699835
n÷2
14469983.5
n÷3
9646655.6666667
n÷3
7234991.75
n÷5
5787993.4
n2
837521689961089
n3
2.4237850069258E+22
n4
7.0144258115528E+29
n5
2.0299725151029E+37
2 √n
5379.5879953766
3 √n
307.01953565732
4 √n
73.345674687582
5 √n
31.067020665643
1 , 7 , 17 , 119 , 157 , 1099 , 1549 , 2669 , 10843 , 18683 , 26333 , 184331 , 243193 , 1702351 , 4134281 , 28939967
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
-28939966
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 28939967 can be divided by 16 positive divisors.
The sum of these divisors (counting 28939967) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110011001011010111111
3
Ternary
2000110022011122
4
Quaternary
1232121122333
5
Quinary
24402034332
6
Senary
2512141155
8
Octal
156313277
10
Decimal
28939967
12
Duodecimal
98377bb
16
Hexadecimal
1b996bf
20
Vigesimal
90h9i7
36
Base36
h8a7z
md5
89a59f37a8e014c5cdc3160e3bc378bf
sha1
fbbe1a6b3fcd2e5dc18e527da8d02ab8ab78c04c
sha256
0da0816ef523b3cb0075a261ee2d254448d7eda73de0c662494f3e7ea41b1037
sha512
1aec5bb89229b5572c10229c9c010f2444d5480962da04c2643186ae5f7b10168ec71197603b64733603591854359ec610e2051b6453866166d1c56f313e1bb3
ripemd-160
2732a7ee6a053d11907bf498abe4b12aac6321f6
Diameter
57879934
Circumference
181835175.44466
Area
2.6311519884039E+15
Volume
1.0152726895519E+23
Surface area
1.0524607953615E+16
Circumference
181835175.44466
Perimeter
115759868
Area
837521689961089
Diagonal
40927293.82603
Surface area
5025130139766534
Volume
2.4237850069258E+22
Space diagonal
50125493.213367
Perimeter
86819901
Area
3.6265752986339E+14
Altitude
25062746.606683
Surface area
3.6265752986339E+14
Volume
2.8564580242259E+21
Height
13642431.275343