394477981 is an odd 9-digits composite number following 394477980
and preceding 394477982 . In scientific notation, it is written as 3.94477981 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 359686656 positive integers (up to 394477981) that are relatively prime to 394477981.
394477981 has 16 divisors, whose sum is 430920000
The reverse of 394477981 is 189774493
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
three hundred ninety-four million four hundred seventy-seven thousand nine hundred eighty-one
Scientific notation
3.94477981 × 10^8
Engineering notation
3.94477981 × 10^6
Prime Factorization
29 × 19 × 379 × 1889
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
394477981
Product of the distinct prime numbers
The prime factorization of 394477981 is 29 × 19 × 379 × 1889.
Since it has a total of 4 prime factors.
4 , 10 , 19 , 80 , 768 , 157 , 1765 , 8806 , 85654 , 98704 , 172198 , 484339 , 6032282 , 8241874 , 54681476 , 63415826 , 11110662 , 727995270 , 9832093416 , 4067059190
n×2
788955962
n×3
1183433943
n×4
1577911924
n×5
1972389905
n÷2
197238990.5
n÷3
131492660.33333
n÷3
98619495.25
n÷5
78895596.2
n2
155612877493836361
n3
6.1385853731369E+25
n4
2.4215367641912E+34
n5
9.5524293365541E+42
2 √n
19861.46975931
3 √n
733.40002807093
4 √n
140.93072681041
5 √n
52.384711125937
1 , 19 , 29 , 379 , 551 , 1889 , 7201 , 10991 , 35891 , 54781 , 208829 , 715931 , 1040839 , 13602689 , 20761999 , 394477981
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
-394477980
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 394477981 can be divided by 16 positive divisors.
The sum of these divisors (counting 394477981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111100000110100000110011101
3
Ternary
1000111021120001121
4
Quaternary
113200310012131
5
Quinary
1301441243411
6
Senary
103051010541
8
Octal
2740640635
10
Decimal
394477981
12
Duodecimal
b0139a51
16
Hexadecimal
1783419d
20
Vigesimal
6359ej1
36
Base36
6iv15p
md5
bd57cabf9010902647de405eaec852b9
sha1
c5aba94f34d7fb0d1b823c49ec80dcb1d44ced50
sha256
87d9df3246a920ceea882e8403a209cbf4e5743e362a71ce08becbf224a6ea75
sha512
205eea4812373ae77d93418f9cfbfc0f18f406d28b1d0137657becbdbfe9e11246ea26c47c3b3f857246d67a21b72361e3ba011f36733eb714e64ed7cc8e240f
ripemd-160
8d168d76629f2eeecf052ea56e88a137325c994c
Diameter
788955962
Circumference
2478578254.2251
Area
4.888722727386E+17
Volume
2.5713246282241E+26
Surface area
1.9554890909544E+18
Circumference
2478578254.2251
Perimeter
1577911924
Area
155612877493836361
Diagonal
557876110.78776
Surface area
933677264963018166
Volume
6.1385853731369E+25
Space diagonal
683255905.55919
Perimeter
1183433943
Area
6.7382352532829E+16
Altitude
341627952.7796
Surface area
6.7382352532829E+16
Volume
7.2343922403961E+24
Height
185958703.59592