28776980 is an even 8-digits composite number following 28776979
and preceding 28776981 . In scientific notation, it is written as 2.8776980 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 11510784 positive integers (up to 28776980) that are relatively prime to 28776980.
28776980 has 12 divisors, whose sum is 60431700
The reverse of 28776980 is 08967782
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million seven hundred seventy-six thousand nine hundred eighty
Scientific notation
2.8776980 × 10^7
Engineering notation
2.8776980 × 10^6
Prime Factorization
2 × 2 × 5 × 1438849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14388490
Product of the distinct prime numbers
The prime factorization of 28776980 is 2 × 2 × 5 × 1438849.
Since it has a total of 4 prime factors.
7 , 8 , 56 , 28 , 989 , 538 , 1455 , 6717 , 83539 , 87732 , 697657 , 900220 , 8453041 , 7676911 , 22577279 , 57095231 , 163622382 , 81991661 , 4114235035 , 1944911889
n×2
57553960
n×3
86330940
n×4
115107920
n×5
143884900
n÷2
14388490
n÷3
9592326.6666667
n÷3
7194245
n÷5
5755396
n2
828114577920400
n3
2.3830636646524E+22
n4
6.8577375416428E+29
n5
1.973449760811E+37
2 √n
5364.4179553797
3 √n
306.44208247012
4 √n
73.242186992059
5 √n
31.031948296059
1 , 2 , 4 , 5 , 10 , 20 , 1438849 , 2877698 , 5755396 , 7194245 , 14388490 , 28776980
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
-28776979
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 28776980 can be divided by 12 positive divisors.
The sum of these divisors (counting 28776980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101110001101000010100
3
Ternary
2000011000121002
4
Quaternary
1231301220110
5
Quinary
24331330410
6
Senary
2504442432
8
Octal
155615024
10
Decimal
28776980
12
Duodecimal
9779418
16
Hexadecimal
1b71a14
20
Vigesimal
8jh290
36
Base36
h4sgk
md5
77cbe4488bd4be31cd3bc6bc36ee61cc
sha1
93c065c6a2b4199248499ae39ee20f4cd7add1f1
sha256
7cbffa483fa3a77381e266cc13256e275ebf65363ae7176f6cce02687880b1a2
sha512
5e329a030edcf29a384202caf6ddc04f390a5477910a7fc733e69a1cc879da399f585bfb4c77d729718d980471c8c87e9e32c1c2847fec4233b80720b77e0320
ripemd-160
b591d4795c982cfa4f48dd67745e08e2c2cc1ce9
Diameter
57553960
Circumference
180811097.921
Area
2.6015986743253E+15
Volume
9.9821537358782E+22
Surface area
1.0406394697301E+16
Circumference
180811097.921
Perimeter
115107920
Area
828114577920400
Diagonal
40696795.400139
Surface area
4968687467522400
Volume
2.3830636646524E+22
Space diagonal
49843191.448393
Perimeter
86330940
Area
3.5858413086165E+14
Altitude
24921595.724197
Surface area
3.5858413086165E+14
Volume
2.8084674621249E+21
Height
13565598.466713