42745 is an odd 5-digits composite number following 42744
and preceding 42746 . In scientific notation, it is written as 4.2745 × 10^4.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 33456 positive integers (up to 42745) that are relatively prime to 42745.
42745 has 8 divisors, whose sum is 52416
The reverse of 42745 is 54724
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 22
Digital Root 4
Name
forty-two thousand seven hundred forty-five
Scientific notation
4.2745 × 10^4
Engineering notation
4.2745 × 10^3
Prime Factorization
5 × 83 × 103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42745
Product of the distinct prime numbers
The prime factorization of 42745 is 5 × 83 × 103.
Since it has a total of 3 prime factors.
3 , 1 , 52 , 12 , 872 , 361 , 9187 , 3245 , 56872 , 6648 , 81205 , 493751 , 3944917 , 9023867 , 58525217 , 98308807 , 526220082 , 356606086 , 724234275 , 7292297179
n×2
85490
n×3
128235
n×4
170980
n×5
213725
n÷2
21372.5
n÷3
14248.333333333
n÷3
10686.25
n÷5
8549
n2
1827135025
n3
78100886643625
n4
3338422399581750625
n5
1.4270086547012E+23
2 √n
206.74863965695
3 √n
34.964590037695
4 √n
14.378756540708
5 √n
8.4367866015117
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
-42744
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 42745 can be divided by 8 positive divisors.
The sum of these divisors (counting 42745) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011011111001
3
Ternary
2011122011
4
Quaternary
22123321
5
Quinary
2331440
6
Senary
525521
8
Octal
123371
10
Decimal
42745
12
Duodecimal
208a1
16
Hexadecimal
a6f9
20
Vigesimal
56h5
36
Base36
wzd
md5
7548329c2fff56d8d1b3dabb8959b6d6
sha1
652690f6fb9c97e44581ddc49df1669ecbaa0c51
sha256
c0756526678331089ba4661d9d3e31193204a6ad62c4b1bb6a9c356818de1bcc
sha512
cfc5d789a4aa9996e6c46a76a690ae5c86a280166ac46d69fdfc8336d68d9e2619247ed4f2cccb5669fbc62854dcb554257c078e50763c24be5fe3db6296a24a
ripemd-160
9e937c88fdeb2136b3c2d22f7f3e0fa14dff73d1
Diameter
85490
Circumference
268574.75595539
Area
5740113971.6566
Volume
3.2714822895795E+14
Surface area
22960455886.626
Circumference
268574.75595539
Perimeter
170980
Area
1827135025
Diagonal
60450.558723638
Surface area
10962810150
Volume
78100886643625
Space diagonal
74036.511769532
Perimeter
128235
Area
791172673.89716
Altitude
37018.255884766
Surface area
791172673.89716
Volume
9204277760398.2
Height
20150.186241213