42788081 is an odd 8-digits composite number following 42788080
and preceding 42788082 . In scientific notation, it is written as 4.2788081 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 36675492 positive integers (up to 42788081) that are relatively prime to 42788081.
42788081 has 4 divisors, whose sum is 48900672
The reverse of 42788081 is 18088724
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
forty-two million seven hundred eighty-eight thousand eighty-one
Scientific notation
4.2788081 × 10^7
Engineering notation
4.2788081 × 10^6
Prime Factorization
7 × 6112583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42788081
Product of the distinct prime numbers
The prime factorization of 42788081 is 7 × 6112583.
Since it has a total of 2 prime factors.
8 , 7 , 12 , 23 , 782 , 631 , 4126 , 9622 , 52001 , 73038 , 695613 , 507432 , 2169417 , 3910033 , 18922844 , 95674145 , 215714937 , 577821733 , 7072721156 , 209476407
n×2
85576162
n×3
128364243
n×4
171152324
n×5
213940405
n÷2
21394040.5
n÷3
14262693.666667
n÷3
10697020.25
n÷5
8557616.2
n2
1830819875662561
n3
7.833726913626E+22
n4
3.3519014171211E+30
n5
1.4342142933979E+38
2 √n
6541.2598939348
3 √n
349.7633257083
4 √n
80.878055700757
5 √n
33.594219990938
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
-42788080
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 42788081 can be divided by 4 positive divisors.
The sum of these divisors (counting 42788081) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100011001110010011110001
3
Ternary
2222111212012202
4
Quaternary
2203032103301
5
Quinary
41423204311
6
Senary
4125032545
8
Octal
243162361
10
Decimal
42788081
12
Duodecimal
123b5755
16
Hexadecimal
28ce4f1
20
Vigesimal
d78a41
36
Base36
ph3ht
md5
c7fc7fc28e09fa158e40b68ce5b33d78
sha1
f5056bc7e301f9bdf56fcdc9f512a4da1c3ce67f
sha256
9f08ae0b53abde8d902920315382e5544a91dbf4f42d3c383ccc8d9ba94dfe1d
sha512
43f8c2c8669dbc65ce411b7ef10673430a2336446a8d1e6c2f702a530741e50f35e4ae07918ad039432f1cae88fd3f8c677181e75a1f5c03cd347031e67dd768
ripemd-160
5f0aebc6e1884a8f0aab351027f72eb6119d7206
Diameter
85576162
Circumference
268845441.86161
Area
5.7516902714277E+15
Volume
3.2813838562768E+23
Surface area
2.3006761085711E+16
Circumference
268845441.86161
Perimeter
171152324
Area
1830819875662561
Diagonal
60511484.458119
Surface area
10984919253975366
Volume
7.833726913626E+22
Space diagonal
74111130.250373
Perimeter
128364243
Area
7.9276826103862E+14
Altitude
37055565.125186
Surface area
7.9276826103862E+14
Volume
9.2321357043141E+21
Height
20170494.819373