42477981 is an odd 8-digits composite number following 42477980
and preceding 42477982 . In scientific notation, it is written as 4.2477981 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 22404096 positive integers (up to 42477981) that are relatively prime to 42477981.
42477981 has 16 divisors, whose sum is 65116800
The reverse of 42477981 is 18977424
Previous prime number is 169
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
forty-two million four hundred seventy-seven thousand nine hundred eighty-one
Scientific notation
4.2477981 × 10^7
Engineering notation
4.2477981 × 10^6
Prime Factorization
3 × 7 × 169 × 11969
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42477981
Product of the distinct prime numbers
The prime factorization of 42477981 is 3 × 7 × 169 × 11969.
Since it has a total of 4 prime factors.
4 , 1 , 50 , 77 , 646 , 178 , 3292 , 3038 , 31312 , 50573 , 271513 , 875407 , 6190535 , 8780672 , 83061375 , 61795485 , 764624612 , 989079486 , 6374201048 , 4524466032
n×2
84955962
n×3
127433943
n×4
169911924
n×5
212389905
n÷2
21238990.5
n÷3
14159327
n÷3
10619495.25
n÷5
8495596.2
n2
1804378869836361
n3
7.664637134971E+22
n4
3.2557831059119E+30
n5
1.3829909291305E+38
2 √n
6517.5134062003
3 √n
348.9163243594
4 √n
80.731117954604
5 √n
33.545384430892
1 , 3 , 7 , 21 , 169 , 507 , 1183 , 3549 , 11969 , 35907 , 83783 , 251349 , 2022761 , 6068283 , 14159327 , 42477981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42477980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42477981 can be divided by 16 positive divisors.
The sum of these divisors (counting 42477981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100010000010100110011101
3
Ternary
2221221002211120
4
Quaternary
2202002212131
5
Quinary
41333243411
6
Senary
4114241153
8
Octal
242024635
10
Decimal
42477981
12
Duodecimal
122861b9
16
Hexadecimal
288299d
20
Vigesimal
d59ej1
36
Base36
pag7x
md5
188c68d85c8e1c53df3058c311ca7b85
sha1
2c499582dbc3a47338ee71193e62100f3df0b15b
sha256
7a2a7fb02d6d947dcc23ad57c00290b53dcc9264db4111b84873302fa33e2bdf
sha512
1e836d8205d9d1d0e034d738a5f2d72ea5cfa3c96cb74af9dea92748cdbd331ca806e8b0a7c8563668d5db6c877d0233b4703cad91d0f1b6b550db34f9515084
ripemd-160
36664a172005f5d72658270d1634fb423daab299
Diameter
84955962
Circumference
266897026.09785
Area
5.6686234017706E+15
Volume
3.2105556954209E+23
Surface area
2.2674493607082E+16
Circumference
266897026.09785
Perimeter
169911924
Area
1804378869836361
Diagonal
60072936.832427
Surface area
10826273219018166
Volume
7.664637134971E+22
Space diagonal
73574021.294945
Perimeter
127433943
Area
7.8131896966507E+14
Altitude
36787010.647473
Surface area
7.8131896966507E+14
Volume
9.0328614891204E+21
Height
20024312.277476