28939969 is an odd 8-digits composite number following 28939968
and preceding 28939970 . In scientific notation, it is written as 2.8939969 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 28543680 positive integers (up to 28939969) that are relatively prime to 28939969.
28939969 has 8 divisors, whose sum is 29338848
The reverse of 28939969 is 96993982
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
twenty-eight million nine hundred thirty-nine thousand nine hundred sixty-nine
Scientific notation
2.8939969 × 10^7
Engineering notation
2.8939969 × 10^6
Prime Factorization
107 × 307 × 881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28939969
Product of the distinct prime numbers
The prime factorization of 28939969 is 107 × 307 × 881.
Since it has a total of 3 prime factors.
6 , 1 , 46 , 93 , 652 , 281 , 3489 , 5473 , 98288 , 84964 , 791030 , 397704 , 7911642 , 2668088 , 74332177 , 31994295 , 427717042 , 480050862 , 5011040457 , 5696944495
n×2
57879938
n×3
86819907
n×4
115759876
n×5
144699845
n÷2
14469984.5
n÷3
9646656.3333333
n÷3
7234992.25
n÷5
5787993.8
n2
837521805720961
n3
2.4237855094389E+22
n4
7.014427750581E+29
n5
2.0299732165455E+37
2 √n
5379.5881812644
3 √n
307.01954272988
4 √n
73.345675954786
5 √n
31.067021095042
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28939968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28939969 can be divided by 8 positive divisors.
The sum of these divisors (counting 28939969) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110011001011011000001
3
Ternary
2000110022011201
4
Quaternary
1232121123001
5
Quinary
24402034334
6
Senary
2512141201
8
Octal
156313301
10
Decimal
28939969
12
Duodecimal
9837801
16
Hexadecimal
1b996c1
20
Vigesimal
90h9i9
36
Base36
h8a81
md5
b3312bd5998c22ce6ab4f08e3128b3cd
sha1
8f7aba0013dd401975b35d13f39a0f36f2ddea1c
sha256
70dd24765c5d7f7aa1efc26e30a79510a7f76058ae0091d1ee6c2716e04d164d
sha512
b033684788468d6f3f9fe5bf9115abc822c08cf1baf372b51d8c7b2ae5233677b1d9ea07e59d0e85dac308f3dce2d1d8654d5ae1342a41c1d35a6e4b471e4cf8
ripemd-160
3f601af6657f78f28b0bfe9df7f57a00f5edf832
Diameter
57879938
Circumference
181835188.01103
Area
2.6311523520742E+15
Volume
1.0152729000441E+23
Surface area
1.0524609408297E+16
Circumference
181835188.01103
Perimeter
115759876
Area
837521805720961
Diagonal
40927296.654457
Surface area
5025130834325766
Volume
2.4237855094389E+22
Space diagonal
50125496.677468
Perimeter
86819907
Area
3.6265757998888E+14
Altitude
25062748.338734
Surface area
3.6265757998888E+14
Volume
2.8564586164432E+21
Height
13642432.218152