28378009 is an odd 8-digits composite number following 28378008
and preceding 28378010 . In scientific notation, it is written as 2.8378009 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors.
There are 25798080 positive integers (up to 28378009) that are relatively prime to 28378009.
28378009 has 6 divisors, whose sum is 31192490
The reverse of 28378009 is 90087382
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million three hundred seventy-eight thousand nine
Scientific notation
2.8378009 × 10^7
Engineering notation
2.8378009 × 10^6
Prime Factorization
11 × 11 × 234529
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2579819
Product of the distinct prime numbers
The prime factorization of 28378009 is 11 × 11 × 234529.
Since it has a total of 3 prime factors.
4 , 2 , 79 , 46 , 943 , 529 , 5137 , 7613 , 20102 , 22016 , 132006 , 131002 , 8058780 , 8941803 , 4137095 , 65768522 , 327224543 , 1357904 , 4896212961 , 7371093056
n×2
56756018
n×3
85134027
n×4
113512036
n×5
141890045
n÷2
14189004.5
n÷3
9459336.3333333
n÷3
7094502.25
n÷5
5675601.8
n2
805311394804081
n3
2.2853134009553E+22
n4
6.4852644260129E+29
n5
1.8403889224878E+37
2 √n
5327.1013694128
3 √n
305.01929108476
4 √n
72.9869945224
5 √n
30.945420212681
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28378008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28378009 can be divided by 6 positive divisors.
The sum of these divisors (counting 28378009) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101100010000001110011001
3
Ternary
1222101202022101
4
Quaternary
1230100032121
5
Quinary
24231044014
6
Senary
2452123401
8
Octal
154201631
10
Decimal
28378009
12
Duodecimal
9606561
16
Hexadecimal
1b10399
20
Vigesimal
8h7509
36
Base36
gw8m1
md5
5424f0cf06dcef3d8eb7f1f32029a537
sha1
b5c29c547fa044e3bb034601550cf36626b346f9
sha256
aa78f1e1ebcfcdf405f63af7d0a84bed73fe6e186cdb07400621653ba33486f1
sha512
d5d39ac429e5a78fc1ad58c014b94cd212f4b2a5b85f7c64c82def614d298320df5c0eeac74a9d651c94e7f68edec187c7e6f8c1beb538e32e85694696e4cc07
ripemd-160
0b96130a9af190d6507d7f4d583183033e3b032d
Diameter
56756018
Circumference
178304289.19581
Area
2.5299603617687E+15
Volume
9.5726983887885E+22
Surface area
1.0119841447075E+16
Circumference
178304289.19581
Perimeter
113512036
Area
805311394804081
Diagonal
40132565.200946
Surface area
4831868368824486
Volume
2.2853134009553E+22
Space diagonal
49152153.405647
Perimeter
85134027
Area
3.4871006292871E+14
Altitude
24576076.702823
Surface area
3.4871006292871E+14
Volume
2.6932676715866E+21
Height
13377521.733649