28004881 is an odd 8-digits composite number following 28004880
and preceding 28004882 . In scientific notation, it is written as 2.8004881 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 27530164 positive integers (up to 28004881) that are relatively prime to 28004881.
28004881 has 4 divisors, whose sum is 28479600
The reverse of 28004881 is 18840082
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million four thousand eight hundred eighty-one
Scientific notation
2.8004881 × 10^7
Engineering notation
2.8004881 × 10^6
Prime Factorization
59 × 474659
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28004881
Product of the distinct prime numbers
The prime factorization of 28004881 is 59 × 474659.
Since it has a total of 2 prime factors.
3 , 7 , 47 , 6 , 921 , 156 , 4392 , 968 , 59152 , 58142 , 66741 , 944220 , 234497 , 8634774 , 96787219 , 95000173 , 185149262 , 974425927 , 309218634 , 5913014009
n×2
56009762
n×3
84014643
n×4
112019524
n×5
140024405
n÷2
14002440.5
n÷3
9334960.3333333
n÷3
7001220.25
n÷5
5600976.2
n2
784273359824161
n3
2.1963482113346E+22
n4
6.1508470292988E+29
n5
1.7225373910472E+37
2 √n
5291.9638131794
3 √n
303.6765409133
4 √n
72.745885197579
5 √n
30.863611693564
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
-28004880
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 28004881 can be divided by 4 positive divisors.
The sum of these divisors (counting 28004881) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110101001000010001
3
Ternary
1221200210110211
4
Quaternary
1222311020101
5
Quinary
24132124011
6
Senary
2440124121
8
Octal
152651021
10
Decimal
28004881
12
Duodecimal
9466641
16
Hexadecimal
1ab5211
20
Vigesimal
8f0c41
36
Base36
go8pd
md5
4a669d887d8879cd10d16492cb97a762
sha1
20c5cede45f35655a87f03d8d575f295e41324b2
sha256
d8fe60d72103f79f45a2e25b20bb38ec955d8e7450ce10b842b8e3a62c4ae683
sha512
556970124bb8a8e0e74ae33bf87349b59d533c44c1c8c460f75063f890065f57cd9737368ee5dff8b40f238be74884b057bc756a0b60274d43a0e31511be0fd5
ripemd-160
51581666f85bf387b80fd52d85e05eb6562ea4d4
Diameter
56009762
Circumference
175959856.82851
Area
2.4638674256298E+15
Volume
9.2000418739384E+22
Surface area
9.8554697025191E+15
Circumference
175959856.82851
Perimeter
112019524
Area
784273359824161
Diagonal
39604882.522845
Surface area
4705640158944966
Volume
2.1963482113346E+22
Space diagonal
48505876.75192
Perimeter
84014643
Area
3.3960032655955E+14
Altitude
24252938.37596
Surface area
3.3960032655955E+14
Volume
2.588421190136E+21
Height
13201627.507615