28481878 is an even 8-digits composite number following 28481877
and preceding 28481879 . In scientific notation, it is written as 2.8481878 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 14240938 positive integers (up to 28481878) that are relatively prime to 28481878.
28481878 has 4 divisors, whose sum is 42722820
The reverse of 28481878 is 87818482
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million four hundred eighty-one thousand eight hundred seventy-eight
Scientific notation
2.8481878 × 10^7
Engineering notation
2.8481878 × 10^6
Prime Factorization
2 × 14240939
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28481878
Product of the distinct prime numbers
The prime factorization of 28481878 is 2 × 14240939.
Since it has a total of 2 prime factors.
4 , 10 , 4 , 44 , 439 , 365 , 1430 , 474 , 67814 , 89129 , 822180 , 150144 , 5308066 , 2386188 , 18739685 , 13742869 , 128807089 , 712632330 , 514348578 , 9073074139
n×2
56963756
n×3
85445634
n×4
113927512
n×5
142409390
n÷2
14240939
n÷3
9493959.3333333
n÷3
7120469.5
n÷5
5696375.6
n2
811217374406884
n3
2.3104994289337E+22
n4
6.580736285396E+29
n5
1.8743172803082E+37
2 √n
5336.841575314
3 √n
305.39098116132
4 √n
73.053689676251
5 √n
30.968040363523
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
-28481877
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 28481878 can be divided by 4 positive divisors.
The sum of these divisors (counting 28481878) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101001100101010110
3
Ternary
1222121000210101
4
Quaternary
1230221211112
5
Quinary
24242410003
6
Senary
2454244314
8
Octal
154514526
10
Decimal
28481878
12
Duodecimal
965669a
16
Hexadecimal
1b29956
20
Vigesimal
8i04di
36
Base36
gygra
md5
7d4d44a1425ad3391e592e2dcc9f1627
sha1
2b13ab9c0e52aeb9223b629bfb48936369615497
sha256
40e49d969365abf9b54d871c9241c6e06dd259bcb0695903fd8fc5112153bb2c
sha512
20b19f558e976e0ff664f0c9a9be37cc6ad109beecb24cad45c63ff717caa8b46ce08ce16887638c834453f049a4217690183efed341c25ff818cbd57b33272b
ripemd-160
c9f375baee0440f193ab1c1f7af1a3d8bedc1a27
Diameter
56963756
Circumference
178956917.37048
Area
2.5485145439011E+15
Volume
9.6781973760821E+22
Surface area
1.0194058175604E+16
Circumference
178956917.37048
Perimeter
113927512
Area
811217374406884
Diagonal
40279458.149456
Surface area
4867304246441304
Volume
2.3104994289337E+22
Space diagonal
49332059.790978
Perimeter
85445634
Area
3.5126742711384E+14
Altitude
24666029.895489
Surface area
3.5126742711384E+14
Volume
2.7229496902111E+21
Height
13426486.049819