28778835 is an odd 8-digits composite number following 28778834
and preceding 28778836 . In scientific notation, it is written as 2.8778835 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 15226848 positive integers (up to 28778835) that are relatively prime to 28778835.
28778835 has 8 divisors, whose sum is 30941184
The reverse of 28778835 is 53887782
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million seven hundred seventy-eight thousand eight hundred thirty-five
Scientific notation
2.8778835 × 10^7
Engineering notation
2.8778835 × 10^6
Prime Factorization
15 × 127 × 15107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28778835
Product of the distinct prime numbers
The prime factorization of 28778835 is 15 × 127 × 15107.
Since it has a total of 3 prime factors.
10 , 9 , 9 , 71 , 270 , 255 , 7830 , 7274 , 18971 , 75325 , 952743 , 184379 , 355238 , 5789446 , 92212645 , 25582289 , 152094998 , 867866606 , 9881975646 , 8664879441
n×2
57557670
n×3
86336505
n×4
115115340
n×5
143894175
n÷2
14389417.5
n÷3
9592945
n÷3
7194708.75
n÷5
5755767
n2
828221343957225
n3
2.3835245401223E+22
n4
6.8595059458631E+29
n5
1.9740858979751E+37
2 √n
5364.5908511274
3 √n
306.44866687485
4 √n
73.243367284195
5 √n
31.032348357358
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
-28778834
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 28778835 can be divided by 8 positive divisors.
The sum of these divisors (counting 28778835) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101110010000101010011
3
Ternary
2000011010010210
4
Quaternary
1231302011103
5
Quinary
24331410320
6
Senary
2504455203
8
Octal
155620523
10
Decimal
28778835
12
Duodecimal
977a503
16
Hexadecimal
1b72153
20
Vigesimal
8jh71f
36
Base36
h4tw3
md5
c894d4607f5e26d15478e00bd129531e
sha1
a03378d97e96df38ac46f34906df80fc7b6cef40
sha256
f6178f7a3fb20e54c08b0410538755e49b8e256f13b7dae266a06f409556f557
sha512
88c12203c4c88a6aa90b952c34ad0dc837407ee6f33c82f8582d2865b0c364d1b273bc717060d98ac1384731bc247c93d04aea01b83d51c83b7a21024c96eae9
ripemd-160
3eb27eb0784dd6b4390006b022c4be27e2abd692
Diameter
57557670
Circumference
180822753.22975
Area
2.6019340897223E+15
Volume
9.9840842465324E+22
Surface area
1.0407736358889E+16
Circumference
180822753.22975
Perimeter
115115340
Area
828221343957225
Diagonal
40699418.766298
Surface area
4969328063743350
Volume
2.3835245401223E+22
Space diagonal
49846404.402641
Perimeter
86336505
Area
3.5863036191172E+14
Altitude
24923202.201321
Surface area
3.5863036191172E+14
Volume
2.8090106090751E+21
Height
13566472.922099