28001838 is an even 8-digits composite number following 28001837
and preceding 28001839 . In scientific notation, it is written as 2.8001838 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 9333944 positive integers (up to 28001838) that are relatively prime to 28001838.
28001838 has 8 divisors, whose sum is 56003688
The reverse of 28001838 is 83810082
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million one thousand eight hundred thirty-eight
Scientific notation
2.8001838 × 10^7
Engineering notation
2.8001838 × 10^6
Prime Factorization
2 × 3 × 4666973
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28001838
Product of the distinct prime numbers
The prime factorization of 28001838 is 2 × 3 × 4666973.
Since it has a total of 3 prime factors.
8 , 6 , 100 , 12 , 843 , 281 , 7516 , 7770 , 73036 , 8186 , 626195 , 753008 , 5608495 , 3514436 , 89580023 , 12687795 , 470540222 , 57848 , 3603383343 , 7743162174
n×2
56003676
n×3
84005514
n×4
112007352
n×5
140009190
n÷2
14000919
n÷3
9333946
n÷3
7000459.5
n÷5
5600367.6
n2
784102931378244
n3
2.1956323259779E+22
n4
6.1481740699596E+29
n5
1.7216017430281E+37
2 √n
5291.6762939545
3 √n
303.66554138806
4 √n
72.743908981814
5 √n
30.862940938686
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
-28001837
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 28001838 can be divided by 8 positive divisors.
The sum of these divisors (counting 28001838) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110100011000101110
3
Ternary
1221200122022010
4
Quaternary
1222310120232
5
Quinary
24132024323
6
Senary
2440102050
8
Octal
152643056
10
Decimal
28001838
12
Duodecimal
9464926
16
Hexadecimal
1ab462e
20
Vigesimal
8f04bi
36
Base36
go6cu
md5
03c35bc51d61394d6a256763ae94f2d4
sha1
1356e52b14610ef7db6447e8646d24365899d623
sha256
7dc11b967418f2968bdd05d280d5ec0048eef817b7f19f43d320b23e09dfcad7
sha512
3657f195a4b3be9230094b4b419426dc8a4b0e3aed71da1ac61fc691e8e7cef083b6d2eedb65efd5d34c92c4bc65b8ea9f81d76ec8cdc327d9def85b7cdccf18
ripemd-160
72f652e6878b624fcd7be9fc663638a14619c307
Diameter
56003676
Circumference
175940737.09562
Area
2.4633320088761E+15
Volume
9.1970431803685E+22
Surface area
9.8533280355045E+15
Circumference
175940737.09562
Perimeter
112007352
Area
784102931378244
Diagonal
39600579.070974
Surface area
4704617588269464
Volume
2.1956323259779E+22
Space diagonal
48500606.121313
Perimeter
84005514
Area
3.395265288777E+14
Altitude
24250303.060656
Surface area
3.395265288777E+14
Volume
2.5875775111522E+21
Height
13200193.023658