28990775 is an odd 8-digits composite number following 28990774
and preceding 28990776 . In scientific notation, it is written as 2.8990775 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors.
There are 20626400 positive integers (up to 28990775) that are relatively prime to 28990775.
28990775 has 24 divisors, whose sum is 40068864
The reverse of 28990775 is 57709982
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million nine hundred ninety thousand seven hundred seventy-five
Scientific notation
2.8990775 × 10^7
Engineering notation
2.8990775 × 10^6
Prime Factorization
5 × 5 × 11 × 47 × 2243
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5798155
Product of the distinct prime numbers
The prime factorization of 28990775 is 5 × 5 × 11 × 47 × 2243.
Since it has a total of 5 prime factors.
5 , 5 , 27 , 99 , 886 , 466 , 5713 , 3516 , 50230 , 59928 , 558895 , 366181 , 6104623 , 5340589 , 21440152 , 33725337 , 249839015 , 809139530 , 3780422831 , 7718983509
n×2
57981550
n×3
86972325
n×4
115963100
n×5
144953875
n÷2
14495387.5
n÷3
9663591.6666667
n÷3
7247693.75
n÷5
5798155
n2
840465035100625
n3
2.4365732727969E+22
n4
7.0638147522669E+29
n5
2.0478546412465E+37
2 √n
5384.3082192609
3 √n
307.19910196112
4 √n
73.377845561592
5 √n
31.077921478885
1 , 5 , 11 , 25 , 47 , 55 , 235 , 275 , 517 , 1175 , 2243 , 2585 , 11215 , 12925 , 24673 , 56075 , 105421 , 123365 , 527105 , 616825 , 1159631 , 2635525 , 5798155 , 28990775
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28990774
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28990775 can be divided by 24 positive divisors.
The sum of these divisors (counting 28990775) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110100101110100110111
3
Ternary
2000112212212102
4
Quaternary
1232211310313
5
Quinary
24410201100
6
Senary
2513212315
8
Octal
156456467
10
Decimal
28990775
12
Duodecimal
986109b
16
Hexadecimal
1ba5d37
20
Vigesimal
913gif
36
Base36
h9dfb
md5
d2cb3be2e46960e8fb4f83472e59d597
sha1
baa41eddfa93da7a6ab79dc9f2c42dc84aea0a5b
sha256
4ac5abd713bc8dd6167382d78ed2628204c0a3d49d4639b31ba70a6eaa05d7b8
sha512
1ea06ae81ab422821581b31b357764a0b8a8879945992a1108a161afc69825756ef1ae240aff470b271aaf4ecb173a80596fc7b066e9d1caef6baf9802d14a1b
ripemd-160
f3f705ded22b19b3fe98ea76f5ed2f405b105ce1
Diameter
57981550
Circumference
182154411.52375
Area
2.6403987798712E+15
Volume
1.0206294258336E+23
Surface area
1.0561595119485E+16
Circumference
182154411.52375
Perimeter
115963100
Area
840465035100625
Diagonal
40999147.188707
Surface area
5042790210603750
Volume
2.4365732727969E+22
Space diagonal
50213495.250798
Perimeter
86972325
Area
3.6393203569486E+14
Altitude
25106747.625399
Surface area
3.6393203569486E+14
Volume
2.8715291400877E+21
Height
13666382.396236