28939944 is an even 8-digits composite number following 28939943
and preceding 28939945 . In scientific notation, it is written as 2.8939944 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 32 positive divisors.
There are 8769600 positive integers (up to 28939944) that are relatively prime to 28939944.
28939944 has 32 divisors, whose sum is 78927840
The reverse of 28939944 is 44993982
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million nine hundred thirty-nine thousand nine hundred forty-four
Scientific notation
2.8939944 × 10^7
Engineering notation
2.8939944 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 11 × 109621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7234986
Product of the distinct prime numbers
The prime factorization of 28939944 is 2 × 2 × 2 × 3 × 11 × 109621.
Since it has a total of 6 prime factors.
5 , 1 , 78 , 60 , 203 , 473 , 2489 , 9327 , 37108 , 34879 , 527257 , 858745 , 4892404 , 5177989 , 4354240 , 14522502 , 244430591 , 254835445 , 1661868074 , 6743877486
n×2
57879888
n×3
86819832
n×4
115759776
n×5
144699720
n÷2
14469972
n÷3
9646648
n÷3
7234986
n÷5
5787988.8
n2
837520358723136
n3
2.4237792280307E+22
n4
7.0144035127573E+29
n5
2.029964448526E+37
2 √n
5379.585857666
3 √n
307.01945432284
4 √n
73.345660114733
5 √n
31.067015727547
1 , 2 , 3 , 4 , 6 , 8 , 11 , 12 , 22 , 24 , 33 , 44 , 66 , 88 , 132 , 264 , 109621 , 219242 , 328863 , 438484 , 657726 , 876968 , 1205831 , 1315452 , 2411662 , 2630904 , 3617493 , 4823324 , 7234986 , 9646648 , 14469972 , 28939944
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28939943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28939944 can be divided by 32 positive divisors.
The sum of these divisors (counting 28939944) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110011001011010101000
3
Ternary
2000110022010210
4
Quaternary
1232121122220
5
Quinary
24402034234
6
Senary
2512141120
8
Octal
156313250
10
Decimal
28939944
12
Duodecimal
98377a0
16
Hexadecimal
1b996a8
20
Vigesimal
90h9h4
36
Base36
h8a7c
md5
943537752c7ca29237ce1ffe6b79fe68
sha1
0bf554965901de01d6203db45af01a23d132d5d2
sha256
529902c56c770d81fad73819c848440df6fb62e874c9701f47eca3cadfe7e6a2
sha512
3a49e4db98627cefe20850d6738d9ff571e7834240e03bd5e6f6e2f9d55c994b4d56d1b8e8b7b82cd3fd58210a0501336bd8f094751622a7b330ea3ccf5c3558
ripemd-160
c89153eda2324bf3f7fcf5d995bb9227acba0802
Diameter
57879888
Circumference
181835030.9314
Area
2.6311478061965E+15
Volume
1.015270268894E+23
Surface area
1.0524591224786E+16
Circumference
181835030.9314
Perimeter
115759776
Area
837520358723136
Diagonal
40927261.299118
Surface area
5025122152338816
Volume
2.4237792280307E+22
Space diagonal
50125453.376198
Perimeter
86819832
Area
3.6265695342045E+14
Altitude
25062726.688099
Surface area
3.6265695342045E+14
Volume
2.8564512137327E+21
Height
13642420.433039