28128834 is an even 8-digits composite number following 28128833
and preceding 28128835 . In scientific notation, it is written as 2.8128834 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 9376272 positive integers (up to 28128834) that are relatively prime to 28128834.
28128834 has 8 divisors, whose sum is 46881420
The reverse of 28128834 is 43882182
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million one hundred twenty-eight thousand eight hundred thirty-four
Scientific notation
2.8128834 × 10^7
Engineering notation
2.8128834 × 10^6
Prime Factorization
2 × 9 × 1562713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28128834
Product of the distinct prime numbers
The prime factorization of 28128834 is 2 × 9 × 1562713.
Since it has a total of 3 prime factors.
1 , 10 , 56 , 6 , 369 , 329 , 9307 , 4310 , 7637 , 72509 , 275485 , 143950 , 1141826 , 3212728 , 89113802 , 45168474 , 526143569 , 148709202 , 6448493830 , 7445320724
n×2
56257668
n×3
84386502
n×4
112515336
n×5
140644170
n÷2
14064417
n÷3
9376278
n÷3
7032208.5
n÷5
5625766.8
n2
791231302199556
n3
2.2256413955175E+22
n4
6.2604697358041E+29
n5
1.7609971396046E+37
2 √n
5303.6623195675
3 √n
304.12391791373
4 √n
72.826247463174
5 √n
30.890884668571
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
-28128833
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 28128834 can be divided by 8 positive divisors.
The sum of these divisors (counting 28128834) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011010011011001000010
3
Ternary
1221221002111200
4
Quaternary
1223103121002
5
Quinary
24200110314
6
Senary
2442522030
8
Octal
153233102
10
Decimal
28128834
12
Duodecimal
9506316
16
Hexadecimal
1ad3642
20
Vigesimal
8fg21e
36
Base36
gqwci
md5
966faaa1432cbc15cf37cb9f88885c5d
sha1
0f97f1278c2aef984827c5756fecda50112eda9e
sha256
fdbadb41f6dccfe8fcd24960c8b9390eb0947c3cf72aeeffda2ce9f70b407de1
sha512
dd5ca6d506c58b4264402ebd072ceec1178cf171a209ed3c55b278a8a0f8b833d91c8063dbb98bc23e8a74aa4e4eceeaf02ce0ac7576b313a96c9f419dc70c4e
ripemd-160
eaeae8cda9c5def81bbfc15b919bfde996f2063d
Diameter
56257668
Circumference
176738676.49689
Area
2.4857264462804E+15
Volume
9.3227448769109E+22
Surface area
9.9429057851216E+15
Circumference
176738676.49689
Perimeter
112515336
Area
791231302199556
Diagonal
39780178.536541
Surface area
4747387813197336
Volume
2.2256413955175E+22
Space diagonal
48720569.645671
Perimeter
84386502
Area
3.4261320398713E+14
Altitude
24360284.822835
Surface area
3.4261320398713E+14
Volume
2.6229435387665E+21
Height
13260059.51218