42789905 is an odd 8-digits composite number following 42789904
and preceding 42789906 . In scientific notation, it is written as 4.2789905 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 34231920 positive integers (up to 42789905) that are relatively prime to 42789905.
42789905 has 4 divisors, whose sum is 51347892
The reverse of 42789905 is 50998724
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
forty-two million seven hundred eighty-nine thousand nine hundred five
Scientific notation
4.2789905 × 10^7
Engineering notation
4.2789905 × 10^6
Prime Factorization
5 × 8557981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42789905
Product of the distinct prime numbers
The prime factorization of 42789905 is 5 × 8557981.
Since it has a total of 2 prime factors.
7 , 10 , 99 , 52 , 689 , 534 , 3364 , 3261 , 43504 , 79613 , 313434 , 809345 , 4496557 , 4281913 , 21943532 , 57079209 , 716230661 , 274597874 , 8482723750 , 6669920040
n×2
85579810
n×3
128369715
n×4
171159620
n×5
213949525
n÷2
21394952.5
n÷3
14263301.666667
n÷3
10697476.25
n÷5
8557981
n2
1830975969909025
n3
7.834728780969E+22
n4
3.3524730023843E+30
n5
1.4345200128709E+38
2 √n
6541.3993151313
3 √n
349.76829562224
4 √n
80.878917618445
5 √n
33.594506401597
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
-42789904
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 42789905 can be divided by 4 positive divisors.
The sum of these divisors (counting 42789905) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100011001110110000010001
3
Ternary
2222111221201022
4
Quaternary
2203032300101
5
Quinary
41423234110
6
Senary
4125045225
8
Octal
243166021
10
Decimal
42789905
12
Duodecimal
123b6815
16
Hexadecimal
28cec11
20
Vigesimal
d78ef5
36
Base36
ph4wh
md5
f993db495b5c3892ec8c9678f5339985
sha1
bc92e7e2d49dada7d5cd0ec9e334a375fc25d025
sha256
11fcffefe9d90f2d900530e7c8fc5f9b19959814d4f99582b4fe571fe2c46f66
sha512
e4c37c380d4ce4ce6ce76c5564cabc6dc7b18092feaa0c7fca5bd88b0f28796b96f8ec4a567ad2e0e46ffbe82176b084b8c993dbc50bd02578a830bb10f5ad1e
ripemd-160
0a8b7377f98a402a483ad6de01b351feb0478362
Diameter
85579810
Circumference
268856902.39161
Area
5.7521806559656E+15
Volume
3.2818035174881E+23
Surface area
2.3008722623863E+16
Circumference
268856902.39161
Perimeter
171159620
Area
1830975969909025
Diagonal
60514063.983656
Surface area
10985855819454150
Volume
7.834728780969E+22
Space diagonal
74114289.511046
Perimeter
128369715
Area
7.9283585183003E+14
Altitude
37057144.755523
Surface area
7.9283585183003E+14
Volume
9.233316416301E+21
Height
20171354.661219