28939975 is an odd 8-digits composite number following 28939974
and preceding 28939976 . In scientific notation, it is written as 2.8939975 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 23094720 positive integers (up to 28939975) that are relatively prime to 28939975.
28939975 has 8 divisors, whose sum is 30172064
The reverse of 28939975 is 57993982
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million nine hundred thirty-nine thousand nine hundred seventy-five
Scientific notation
2.8939975 × 10^7
Engineering notation
2.8939975 × 10^6
Prime Factorization
25 × 487 × 2377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28939975
Product of the distinct prime numbers
The prime factorization of 28939975 is 25 × 487 × 2377.
Since it has a total of 3 prime factors.
9 , 7 , 10 , 84 , 353 , 7 , 2720 , 9920 , 53279 , 37936 , 147725 , 391969 , 6390509 , 3945386 , 22924375 , 90268372 , 806013156 , 630470111 , 7364543152 , 4202399779
n×2
57879950
n×3
86819925
n×4
115759900
n×5
144699875
n÷2
14469987.5
n÷3
9646658.3333333
n÷3
7234993.75
n÷5
5787995
n2
837522153000625
n3
2.4237870169784E+22
n4
7.014433567668E+29
n5
2.0299753208747E+37
2 √n
5379.5887389279
3 √n
307.01956394756
4 √n
73.345679756397
5 √n
31.067022383241
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
-28939974
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 28939975 can be divided by 8 positive divisors.
The sum of these divisors (counting 28939975) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110011001011011000111
3
Ternary
2000110022011221
4
Quaternary
1232121123013
5
Quinary
24402034400
6
Senary
2512141211
8
Octal
156313307
10
Decimal
28939975
12
Duodecimal
9837807
16
Hexadecimal
1b996c7
20
Vigesimal
90h9if
36
Base36
h8a87
md5
b830a4c1069c48e481cc431afe7c8fc5
sha1
ed59abb974c4a92acba00e89f6277a564e7bb04c
sha256
b56ba3484eb93d91ec18703fd43300c0c465abb90d8f0d544e7080a847ba8209
sha512
736ceac9dd3331c1fa7f3afd957146e02cae775096b33552fc0f1c2cb50eabebe37d27680c736e2e45bb8054adcf3e1bea4aee33a61750e4b3debcaa0e080a5a
ripemd-160
513b479cdf38627e62a4b7dc6efe5e570d898a63
Diameter
57879950
Circumference
181835225.71014
Area
2.6311534430855E+15
Volume
1.0152735315208E+23
Surface area
1.0524613772342E+16
Circumference
181835225.71014
Perimeter
115759900
Area
837522153000625
Diagonal
40927305.139738
Surface area
5025132918003750
Volume
2.4237870169784E+22
Space diagonal
50125507.069773
Perimeter
86819925
Area
3.6265773036539E+14
Altitude
25062753.534887
Surface area
3.6265773036539E+14
Volume
2.8564603930956E+21
Height
13642435.046579