28387777 is an odd 8-digits composite number following 28387776
and preceding 28387778 . In scientific notation, it is written as 2.8387777 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 25807060 positive integers (up to 28387777) that are relatively prime to 28387777.
28387777 has 4 divisors, whose sum is 30968496
The reverse of 28387777 is 77778382
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million three hundred eighty-seven thousand seven hundred seventy-seven
Scientific notation
2.8387777 × 10^7
Engineering notation
2.8387777 × 10^6
Prime Factorization
11 × 2580707
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28387777
Product of the distinct prime numbers
The prime factorization of 28387777 is 11 × 2580707.
Since it has a total of 2 prime factors.
9 , 4 , 86 , 66 , 933 , 593 , 6451 , 3472 , 892 , 44706 , 110470 , 856784 , 8301079 , 3953567 , 45402161 , 46898707 , 294817241 , 237311403 , 2168301010 , 4704238043
n×2
56775554
n×3
85163331
n×4
113551108
n×5
141938885
n÷2
14193888.5
n÷3
9462592.3333333
n÷3
7096944.25
n÷5
5677555.4
n2
805865883001729
n3
2.2876740978561E+22
n4
6.4941982138616E+29
n5
1.843558506889E+37
2 √n
5328.0181118311
3 √n
305.05428398661
4 √n
72.993274428752
5 √n
30.94755026525
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28387776
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28387777 can be divided by 4 positive divisors.
The sum of these divisors (counting 28387777) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010010100111000001
3
Ternary
1222102020201011
4
Quaternary
1230102213001
5
Quinary
24231402102
6
Senary
2452240521
8
Octal
154224701
10
Decimal
28387777
12
Duodecimal
9610141
16
Hexadecimal
1b129c1
20
Vigesimal
8h898h
36
Base36
gwg5d
md5
5e6a792eaa1e0adc10875f1f838b41f8
sha1
86d6f5bc28382b7bf5a48e6dd8598204d4bdb434
sha256
fbeab171a9adcdfc2757a08a05392ac377c40e3a6f04a7a4f55f046fcb6d6a82
sha512
5120950a95b75e2118b53e63bbcdbbcdc1347cddec3abc02956724ad30f1d998f08b72026bd9dc89a66ac5cd6f8cd6155cad7f5d479193ef4a2d1d04eacb8e96
ripemd-160
8311f65c2ff96b9fea9b015bf2b9c8d5eb9a4cab
Diameter
56775554
Circumference
178365663.34989
Area
2.5317023378169E+15
Volume
9.5825868528432E+22
Surface area
1.0126809351268E+16
Circumference
178365663.34989
Perimeter
113551108
Area
805865883001729
Diagonal
40146379.239023
Surface area
4835195298010374
Volume
2.2876740978561E+22
Space diagonal
49169072.077935
Perimeter
85163331
Area
3.4895016336134E+14
Altitude
24584536.038968
Surface area
3.4895016336134E+14
Volume
2.6960497795648E+21
Height
13382126.413008