28778877 is an odd 8-digits composite number following 28778876
and preceding 28778878 . In scientific notation, it is written as 2.8778877 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 19155528 positive integers (up to 28778877) that are relatively prime to 28778877.
28778877 has 8 divisors, whose sum is 32027200
The reverse of 28778877 is 77887782
Previous prime number is 739
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 eight hundred seventy-seven
Scientific notation
2.8778877 × 10^7
Engineering notation
2.8778877 × 10^6
Prime Factorization
9 × 739 × 4327
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
28778877 Product of the distinct prime numbers
The prime factorization of 28778877 is 9 × 739 × 4327.
Since it has a total of 3 prime factors.
5 , 6 , 76 , 30 , 784 , 417 , 126 , 3585 , 50537 , 98593 , 405503 , 952173 , 3148400 , 9729166 , 65739323 , 7749655 , 209108427 , 132601455 , 1380015573 , 8738356548
n×2
57557754
n×3
86336631
n×4
115115508
n×5
143894385
n÷2
14389438.5
n÷3
9592959
n÷3
7194719.25
n÷5
5755775.4
n2
828223761381129
n3
2.3835349757265E+22
n4
6.8595459891631E+29
n5
1.9741003029797E+37
2 √n5364.5947656836
3 √n306.44881595243
4 √n73.243394007129
5 √n31.03235741511
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
-28778876 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 28778877 can be divided by 8 positive divisors.
The sum of these divisors (counting 28778877) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101110010000101111101
3
Ternary
2000011010012100
4
Quaternary
1231302011331
5
Quinary
24331411002
6
Senary
2504455313
8
Octal
155620575
10
Decimal
28778877
12
Duodecimal
977a539
16
Hexadecimal
1b7217d
20
Vigesimal
8jh73h
36
Base36
h4tx9
md5
14e84b1c35021645fe85542d579743f6
sha1
952a0f8a33ff0074f02de4599338a6291e41b512
sha256
9c07c048c803e8b41009d9471930b9a74ee875405f46dfe4110db8b1dda16492
sha512
15b4ae8799514c2e50e0c53a926185cdf62bfdb098bfa4ded7999a11ae7050d66cc2450abba3da6552369b3d3e4b23f90ceeb08fbbf0828c7bc17c88744a73c4
ripemd-160
c6c2fe39b8bb12a9e3d93f30c47674e9f184e918
Diameter
57557754
Circumference
180823017.12353
Area
2.6019416842835E+15
Volume
9.9841279590889E+22
Surface area
1.0407766737134E+16
Circumference
180823017.12353
Perimeter
115115508
Area
828223761381129
Diagonal
40699478.163267
Surface area
4969342568286774
Volume
2.3835349757265E+22
Space diagonal
49846477.148775
Perimeter
86336631
Area
3.5863140868698E+14
Altitude
24923238.574388
Surface area
3.5863140868698E+14
Volume
2.8090229075525E+21
Height
13566492.721089