42781946 is an even 8-digits composite number following 42781945
and preceding 42781947 . In scientific notation, it is written as 4.2781946 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 21305500 positive integers (up to 42781946) that are relatively prime to 42781946.
42781946 has 8 divisors, whose sum is 64429344
The reverse of 42781946 is 64918724
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
forty-two million seven hundred eighty-one thousand nine hundred forty-six
Scientific notation
4.2781946 × 10^7
Engineering notation
4.2781946 × 10^6
Prime Factorization
2 × 251 × 85223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42781946
Product of the distinct prime numbers
The prime factorization of 42781946 is 2 × 251 × 85223.
Since it has a total of 3 prime factors.
2 , 4 , 59 , 1 , 251 , 749 , 8174 , 5910 , 59296 , 26837 , 16283 , 999959 , 6945319 , 6154706 , 94006182 , 95421387 , 429369034 , 345878295 , 2748249881 , 2142284537
n×2
85563892
n×3
128345838
n×4
171127784
n×5
213909730
n÷2
21390973
n÷3
14260648.666667
n÷3
10695486.5
n÷5
8556389.2
n2
1830294903546916
n3
7.8303577727619E+22
n4
3.3499794339498E+30
n5
1.4331863924435E+38
2 √n
6540.7909307667
3 √n
349.74660843161
4 √n
80.87515644972
5 √n
33.593256580773
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
-42781945
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 42781946 can be divided by 8 positive divisors.
The sum of these divisors (counting 42781946) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100011001100110011111010
3
Ternary
2222111112210112
4
Quaternary
2203030303322
5
Quinary
41423010241
6
Senary
4124544322
8
Octal
243146372
10
Decimal
42781946
12
Duodecimal
123b20a2
16
Hexadecimal
28cccfa
20
Vigesimal
d77eh6
36
Base36
pgyre
md5
9d08a53ab8255b73cbcc3075d2104b7b
sha1
008a3012e6e1d3ee253866b912f673045595080a
sha256
f6f5888e860403458d4e099072ebc4bd0a341f7be54f16c01cde15c25457c71b
sha512
ab334b66ded8c1bbe684e45d1c23594ab6803661065b71063776696f9645abbbeaadeca440ad599d6dfd1b3184999289bf3b55992073a8727e1696bd5cbd5c2d
ripemd-160
a66c464cea5f4db92cdcfe3c44e8e62343adeeae
Diameter
85563892
Circumference
268806894.51975
Area
5.7500410228858E+15
Volume
3.2799725938518E+23
Surface area
2.3000164091543E+16
Circumference
268806894.51975
Perimeter
171127784
Area
1830294903546916
Diagonal
60502808.257913
Surface area
10981769421281496
Volume
7.8303577727619E+22
Space diagonal
74100504.118668
Perimeter
128345838
Area
7.9254094144441E+14
Altitude
37050252.059334
Surface area
7.9254094144441E+14
Volume
9.2281651337279E+21
Height
20167602.752638