28403868 is an even 8-digits composite number following 28403867
and preceding 28403869 . In scientific notation, it is written as 2.8403868 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 9467952 positive integers (up to 28403868) that are relatively prime to 28403868.
28403868 has 12 divisors, whose sum is 66275720
The reverse of 28403868 is 86830482
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred three thousand eight hundred sixty-eight
Scientific notation
2.8403868 × 10^7
Engineering notation
2.8403868 × 10^6
Prime Factorization
2 × 2 × 3 × 2366989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14201934
Product of the distinct prime numbers
The prime factorization of 28403868 is 2 × 2 × 3 × 2366989.
Since it has a total of 4 prime factors.
8 , 1 , 86 , 24 , 495 , 850 , 3252 , 1565 , 68302 , 4836 , 354533 , 977689 , 9800897 , 5059180 , 3837265 , 54999861 , 896402410 , 709517699 , 25425694 , 5840041629
n×2
56807736
n×3
85211604
n×4
113615472
n×5
142019340
n÷2
14201934
n÷3
9467956
n÷3
7100967
n÷5
5680773.6
n2
806779717361424
n3
2.2915664597011E+22
n4
6.5089351234578E+29
n5
1.8487893406726E+37
2 √n
5329.527934067
3 √n
305.11191091674
4 √n
73.003615897207
5 √n
30.951057860527
1 , 2 , 3 , 4 , 6 , 12 , 2366989 , 4733978 , 7100967 , 9467956 , 14201934 , 28403868
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28403867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28403868 can be divided by 12 positive divisors.
The sum of these divisors (counting 28403868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100010110100010011100
3
Ternary
1222110001210010
4
Quaternary
1230112202130
5
Quinary
24232410433
6
Senary
2452443220
8
Octal
154264234
10
Decimal
28403868
12
Duodecimal
9619510
16
Hexadecimal
1b1689c
20
Vigesimal
8ha9d8
36
Base36
gwskc
md5
07430618968121cbcb0d29496c4dca30
sha1
07487041327449329b9878fcbcd34c552089ae82
sha256
73cceecb07c493952d18b0dbb5485ba025d99bda887c1e2ba1930a0658300357
sha512
f5d0cdbe30d0f16dec5870447af3ad1f61875093317b51335394dc8ba9239cf8e71d618ba69bf6efa092344c1362a658fa30bd16c5664283c97a87a6967e34aa
ripemd-160
ec36fd411a47d01cdb1dfa78d3fbf6802f1c6c66
Diameter
56807736
Circumference
178466766.08467
Area
2.5345732331279E+15
Volume
9.5988911400131E+22
Surface area
1.0138292932512E+16
Circumference
178466766.08467
Perimeter
113615472
Area
806779717361424
Diagonal
40169135.349455
Surface area
4840678304168544
Volume
2.2915664597011E+22
Space diagonal
49196942.50748
Perimeter
85211604
Area
3.4934586524651E+14
Altitude
24598471.25374
Surface area
3.4934586524651E+14
Volume
2.7006369719905E+21
Height
13389711.783152