28778832 is an even 8-digits composite number following 28778831
and preceding 28778833 . In scientific notation, it is written as 2.8778832 × 10^7.
The sum of its digits is 45. It has a total of 7 prime factors and 30 positive divisors.
There are 9592896 positive integers (up to 28778832) that are relatively prime to 28778832.
28778832 has 30 divisors, whose sum is 80541162
The reverse of 28778832 is 23887782
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million seven hundred seventy-eight thousand eight hundred thirty-two
Scientific notation
2.8778832 × 10^7
Engineering notation
2.8778832 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 3 × 199853
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1199118
Product of the distinct prime numbers
The prime factorization of 28778832 is 2 × 2 × 2 × 2 × 3 × 3 × 199853.
Since it has a total of 7 prime factors.
1 , 6 , 52 , 27 , 600 , 974 , 9437 , 6081 , 4081 , 15901 , 987380 , 827952 , 6958434 , 1392082 , 20174760 , 77672071 , 741586118 , 278639294 , 4993910206 , 885969702
n×2
57557664
n×3
86336496
n×4
115115328
n×5
143894160
n÷2
14389416
n÷3
9592944
n÷3
7194708
n÷5
5755766.4
n2
828221171284224
n3
2.3835237947232E+22
n4
6.8595030856341E+29
n5
1.9740848690495E+37
2 √n
5364.5905715162
3 √n
306.44865622644
4 √n
73.243365375412
5 √n
31.032347710375
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 16 , 18 , 24 , 36 , 48 , 72 , 144 , 199853 , 399706 , 599559 , 799412 , 1199118 , 1598824 , 1798677 , 2398236 , 3197648 , 3597354 , 4796472 , 7194708 , 9592944 , 14389416 , 28778832
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28778831
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28778832 can be divided by 30 positive divisors.
The sum of these divisors (counting 28778832) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
1101101110010000101010000
3
Ternary
2000011010010200
4
Quaternary
1231302011100
5
Quinary
24331410312
6
Senary
2504455200
8
Octal
155620520
10
Decimal
28778832
12
Duodecimal
977a500
16
Hexadecimal
1b72150
20
Vigesimal
8jh71c
36
Base36
h4tw0
md5
3a10895544ba583f5c119c5a9bf3de73
sha1
829d4ec2da1a16384a95af9ddef706b18f53c237
sha256
805457ca5cb1f0ea968ccbe5e876b7d9c336e7f33122ea82f362605c18f5b898
sha512
45db99e53622ff13d6f5355c1985530a441aa0893db30a86c2c7eded4ddde378872dc2d968f9c7e08abfacb65b491cdd6d5f229625b163bb12348ac3c83b9023
ripemd-160
f7f48bdd97fff61266a2ed55d0e131aff8af6e32
Diameter
57557664
Circumference
180822734.38019
Area
2.6019335472541E+15
Volume
9.9840811242118E+22
Surface area
1.0407734189016E+16
Circumference
180822734.38019
Perimeter
115115328
Area
828221171284224
Diagonal
40699414.523657
Surface area
4969327027705344
Volume
2.3835237947232E+22
Space diagonal
49846399.206489
Perimeter
86336496
Area
3.5863028714212E+14
Altitude
24923199.603245
Surface area
3.5863028714212E+14
Volume
2.8090097306138E+21
Height
13566471.507886