28778967 is an odd 8-digits composite number following 28778966
and preceding 28778968 . In scientific notation, it is written as 2.8778967 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 16445088 positive integers (up to 28778967) that are relatively prime to 28778967.
28778967 has 8 divisors, whose sum is 40199280
The reverse of 28778967 is 76987782
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
twenty-eight million seven hundred seventy-eight thousand nine hundred sixty-seven
Scientific notation
2.8778967 × 10^7
Engineering notation
2.8778967 × 10^6
Prime Factorization
21 × 3 × 456809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28778967
Product of the distinct prime numbers
The prime factorization of 28778967 is 21 × 3 × 456809.
Since it has a total of 3 prime factors.
6 , 5 , 66 , 62 , 231 , 98 , 4960 , 9172 , 2426 , 78667 , 165511 , 592775 , 3759553 , 677735 , 96220938 , 63995198 , 727262197 , 911019216 , 8996950938 , 2581372668
n×2
57557934
n×3
86336901
n×4
115115868
n×5
143894835
n÷2
14389483.5
n÷3
9592989
n÷3
7194741.75
n÷5
5755793.4
n2
828228941587089
n3
2.383557337838E+22
n4
6.8596317968247E+29
n5
1.9741311711297E+37
2 √n
5364.6031540087
3 √n
306.44913540391
4 √n
73.243451270463
5 √n
31.032376824545
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
-28778966
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 28778967 can be divided by 8 positive divisors.
The sum of these divisors (counting 28778967) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101110010000111010111
3
Ternary
2000011010022200
4
Quaternary
1231302013113
5
Quinary
24331411332
6
Senary
2504455543
8
Octal
155620727
10
Decimal
28778967
12
Duodecimal
977a5b3
16
Hexadecimal
1b721d7
20
Vigesimal
8jh787
36
Base36
h4tzr
md5
03b628f808f459542668bf3c252a0c8e
sha1
7ac4c9f1631ce3932f73f0f4789533e7b9121c90
sha256
60d5309e2f04640011e1d9a5f0b6405b52b7149b325f820df85e9a16f5069ba6
sha512
7af512892d7da12855a27c48054c474cd107c41383b14027543c1a00cd9fbe9ca6e6f21cce3bfdcf8a7c14ad0ea5a0510316678dccd1fa1bf83214d40a0cba37
ripemd-160
eef0f1b02fd7b0db8ff9e103218a0064453c3bd4
Diameter
57557934
Circumference
180823582.61021
Area
2.6019579583804E+15
Volume
9.9842216292824E+22
Surface area
1.0407831833522E+16
Circumference
180823582.61021
Perimeter
115115868
Area
828228941587089
Diagonal
40699605.442488
Surface area
4969373649522534
Volume
2.383557337838E+22
Space diagonal
49846633.033348
Perimeter
86336901
Area
3.5863365178196E+14
Altitude
24923316.516674
Surface area
3.5863365178196E+14
Volume
2.8090492615536E+21
Height
13566535.147496