28008894 is an even 8-digits composite number following 28008893
and preceding 28008895 . In scientific notation, it is written as 2.8008894 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 8404352 positive integers (up to 28008894) that are relatively prime to 28008894.
28008894 has 32 divisors, whose sum is 61896960
The reverse of 28008894 is 49880082
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million eight thousand eight hundred ninety-four
Scientific notation
2.8008894 × 10^7
Engineering notation
2.8008894 × 10^6
Prime Factorization
2 × 3 × 23 × 17 × 11939
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28008894
Product of the distinct prime numbers
The prime factorization of 28008894 is 2 × 3 × 23 × 17 × 11939.
Since it has a total of 5 prime factors.
3 , 6 , 27 , 99 , 514 , 86 , 30 , 3305 , 56367 , 80143 , 108298 , 227056 , 1734637 , 9846304 , 97402361 , 98441103 , 515595691 , 831755872 , 5679382400 , 9219575071
n×2
56017788
n×3
84026682
n×4
112035576
n×5
140044470
n÷2
14004447
n÷3
9336298
n÷3
7002223.5
n÷5
5601778.8
n2
784498143103236
n3
2.1972925333375E+22
n4
6.1543733653243E+29
n5
1.7237719122579E+37
2 √n
5292.3429594084
3 √n
303.69104547715
4 √n
72.748491114307
5 √n
30.864496172059
1 , 2 , 3 , 6 , 17 , 23 , 34 , 46 , 51 , 69 , 102 , 138 , 391 , 782 , 1173 , 2346 , 11939 , 23878 , 35817 , 71634 , 202963 , 274597 , 405926 , 549194 , 608889 , 823791 , 1217778 , 1647582 , 4668149 , 9336298 , 14004447 , 28008894
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
-28008893
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 28008894 can be divided by 32 positive divisors.
The sum of these divisors (counting 28008894) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101010110110000110111110
3
Ternary
1221200222222110
4
Quaternary
1222312012332
5
Quinary
24132241034
6
Senary
2440154450
8
Octal
152660676
10
Decimal
28008894
12
Duodecimal
9468a26
16
Hexadecimal
1ab61be
20
Vigesimal
8f124e
36
Base36
gobsu
md5
79691c11803b8cca14f90ea176b20fbf
sha1
aad85cedc9dd7a034efafe5c3de9d1c8b0db2a95
sha256
ea79beb6301695d0e1c2c026490731628577501b1b79058b0410036e942f8588
sha512
568d81ff88bc9965730c5ebadac7c6235ef81364efdc25940df93edba63aba6495d8fc220c0a39431de225557f4b40ca4fb8b981479e6ec706cc619f2767adcf
ripemd-160
35a2f5975caf80422504274a713292bb8a701c52
Diameter
56017788
Circumference
175985071.25115
Area
2.464573603128E+15
Volume
9.2039974406945E+22
Surface area
9.8582944125118E+15
Circumference
175985071.25115
Perimeter
112035576
Area
784498143103236
Diagonal
39610557.76187
Surface area
4706988858619416
Volume
2.1972925333375E+22
Space diagonal
48512827.471811
Perimeter
84026682
Area
3.3969766057456E+14
Altitude
24256413.735906
Surface area
3.3969766057456E+14
Volume
2.5895340842892E+21
Height
13203519.253957