28990806 is an even 8-digits composite number following 28990805
and preceding 28990807 . In scientific notation, it is written as 2.8990806 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 8889504 positive integers (up to 28990806) that are relatively prime to 28990806.
28990806 has 16 divisors, whose sum is 44755200
The reverse of 28990806 is 60809982
Previous prime number is 443
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million nine hundred ninety thousand eight hundred six
Scientific notation
2.8990806 × 10^7
Engineering notation
2.8990806 × 10^6
Prime Factorization
2 × 39 × 443 × 839
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28990806
Product of the distinct prime numbers
The prime factorization of 28990806 is 2 × 39 × 443 × 839.
Since it has a total of 4 prime factors.
2 , 3 , 96 , 25 , 12 , 774 , 5129 , 6019 , 16570 , 32353 , 830958 , 281926 , 5626267 , 1679249 , 96262650 , 45694480 , 255667698 , 158026389 , 739011180 , 9602897884
n×2
57981612
n×3
86972418
n×4
115963224
n×5
144954030
n÷2
14495403
n÷3
9663602
n÷3
7247701.5
n÷5
5798161.2
n2
840466832529636
n3
2.4365810891301E+22
n4
7.063844965824E+29
n5
2.0478655901828E+37
2 √n
5384.3110979957
3 √n
307.19921145767
4 √n
73.377865177421
5 √n
31.077928125242
1 , 2 , 39 , 78 , 443 , 839 , 886 , 1678 , 17277 , 32721 , 34554 , 65442 , 371677 , 743354 , 14495403 , 28990806
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
-28990805
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 28990806 can be divided by 16 positive divisors.
The sum of these divisors (counting 28990806) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100101110101010110
3
Ternary
2000112212220120
4
Quaternary
1232211311112
5
Quinary
24410201211
6
Senary
2513212410
8
Octal
156456526
10
Decimal
28990806
12
Duodecimal
9861106
16
Hexadecimal
1ba5d56
20
Vigesimal
913h06
36
Base36
h9dg6
md5
21cc9d9ac5c207ad38d9bd344fa818cd
sha1
98e47c3932504bab56af650cd9125655ca2a42ec
sha256
2c104ff567561bf2d816b77c3b8c79f9806db62f4e3f14d842aebbfe0213e6fc
sha512
92f8c2c25d501eb076b3bba79bffe899e04a4249b2e49467b2921fa6ad481061056b17bdcf4cd35d625e9785eb079e7f793ae141a85e55ee47d1ce1e48c4cfc8
ripemd-160
0ea5ff31cdddc0a703136211a8b7c2d7ab6518ad
Diameter
57981612
Circumference
182154606.30249
Area
2.640404426661E+15
Volume
1.0206326999316E+23
Surface area
1.0561617706644E+16
Circumference
182154606.30249
Perimeter
115963224
Area
840466832529636
Diagonal
40999191.029327
Surface area
5042800995177816
Volume
2.4365810891301E+22
Space diagonal
50213548.944373
Perimeter
86972418
Area
3.6393281400445E+14
Altitude
25106774.472186
Surface area
3.6393281400445E+14
Volume
2.8715383517247E+21
Height
13666397.009776