394421820 is an even 9-digits composite number following 394421819
and preceding 394421821 . In scientific notation, it is written as 3.94421820 × 10^8.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 97088256 positive integers (up to 394421820) that are relatively prime to 394421820.
394421820 has 24 divisors, whose sum is 792890560
The reverse of 394421820 is 028124493
Previous prime number is 13
Is Prime? no Number parity even Number length 9 Sum of Digits 33 Digital Root 6
Name
three hundred ninety-four million four hundred twenty-one thousand eight hundred twenty
Scientific notation
3.94421820 × 10^8
Engineering notation
3.94421820 × 10^6
Prime Factorization
2 × 2 × 15 × 13 × 505669
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
197210910 Product of the distinct prime numbers
The prime factorization of 394421820 is 2 × 2 × 15 × 13 × 505669.
Since it has a total of 5 prime factors.
3 , 8 , 96 , 68 , 960 , 340 , 9288 , 657 , 26666 , 94724 , 921894 , 582963 , 1380876 , 3681441 , 70462218 , 41852920 , 379753556 , 112421802 , 1451118731 , 8823959972
n×2
788843640
n×3
1183265460
n×4
1577687280
n×5
1972109100
n÷2
197210910
n÷3
131473940
n÷3
98605455
n÷5
78884364
n2
155568572092112400
n3
6.1359639339372E+25
n4
2.4201580622779E+34
n5
9.5456314761131E+42
2 √n19860.05589116
3 √n733.36522221293
4 √n140.92571053984
5 √n52.383219460772
1 , 2 , 4 , 13 , 15 , 26 , 30 , 52 , 60 , 195 , 390 , 780 , 505669 , 1011338 , 2022676 , 6573697 , 7585035 , 13147394 , 15170070 , 26294788 , 30340140 , 98605455 , 197210910 , 394421820
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-394421819 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 394421820 can be divided by 24 positive divisors.
The sum of these divisors (counting 394421820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10111100000100110011000111100
3
Ternary
1000111011201000120
4
Quaternary
113200212120330
5
Quinary
1301432444240
6
Senary
103045454540
8
Octal
2740463074
10
Decimal
394421820
12
Duodecimal
b0111450
16
Hexadecimal
1782663c
20
Vigesimal
6352eb0
36
Base36
6ittto
md5
1c8fcabbbd93282ea822c61cd95a301e
sha1
4a43cedbfbe0e03999ea7e440c69f8bb09877169
sha256
c260c531197b1aecd37bc39c2084c31094a801cb46536745f78a40c48e151b07
sha512
bd3fbfd07777f3fb1fe72eddccbc45e11e67217b80fae3924c61e934977bc865724fde8c923ae8415ffcf6d5076c4714e94b7c826b39f4971e3a5741080dead6
ripemd-160
952a87018dd5117c427a451534bb6e394b1657ce
Diameter
788843640
Circumference
2478225384.255
Area
4.8873308321403E+17
Volume
2.5702265623399E+26
Surface area
1.9549323328561E+18
Circumference
2478225384.255
Perimeter
1577687280
Area
155568572092112400
Diagonal
557796687.13988
Surface area
933411432552674400
Volume
6.1359639339372E+25
Space diagonal
683158631.85379
Perimeter
1183265460
Area
6.736316773112E+16
Altitude
341579315.92689
Surface area
6.736316773112E+16
Volume
7.2313028446718E+24
Height
185932229.04663