393445894 is an even 9-digits composite number following 393445893
and preceding 393445895 . In scientific notation, it is written as 3.93445894 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 195307536 positive integers (up to 393445894) that are relatively prime to 393445894.
393445894 has 8 divisors, whose sum is 594415080
The reverse of 393445894 is 498544393
Previous prime number is 139
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
three hundred ninety-three million four hundred forty-five thousand eight hundred ninety-four
Scientific notation
3.93445894 × 10^8
Engineering notation
3.93445894 × 10^6
Prime Factorization
2 × 139 × 1415273
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
393445894
Product of the distinct prime numbers
The prime factorization of 393445894 is 2 × 139 × 1415273.
Since it has a total of 3 prime factors.
1 , 10 , 1 , 69 , 947 , 122 , 3071 , 6352 , 35248 , 87568 , 422550 , 616506 , 7146143 , 772291 , 52173939 , 90068364 , 30740361 , 81691182 , 9402868130 , 3739440263
n×2
786891788
n×3
1180337682
n×4
1573783576
n×5
1967229470
n÷2
196722947
n÷3
131148631.33333
n÷3
98361473.5
n÷5
78689178.8
n2
154799671505459236
n3
6.0905295146372E+25
n4
2.3962938298198E+34
n5
9.4281196816014E+42
2 √n
19835.470601929
3 √n
732.75986244908
4 √n
140.83845569279
5 √n
52.357271191424
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
-393445893
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 393445894 can be divided by 8 positive divisors.
The sum of these divisors (counting 393445894) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111011100111000001000000110
3
Ternary
1000102100010022011
4
Quaternary
113130320020012
5
Quinary
1301210232034
6
Senary
103012524434
8
Octal
2734701006
10
Decimal
393445894
12
Duodecimal
ab92071a
16
Hexadecimal
17738206
20
Vigesimal
62j0eee
36
Base36
6i8wsm
md5
89a6329aefaf14dc722d6243999b74d7
sha1
e91c9ca7722d6e6562391403a0550b67ccc9f5ca
sha256
b15dd7a7871d6f303425c6fce675b5cad58476abde78235ae95fca166974969f
sha512
e99d5a4534e8202b482cb6a29315951e47bac7ada21356a35b5aa2fdcdca865fa135d64e2ff0a9383b0a7c9cb59f41299eff78f4d2aa2130876bd2d7132aab5e
ripemd-160
4176b76e00afe8c5d67d6011f191a230267d52d0
Diameter
786891788
Circumference
2472093460.3509
Area
4.8631751077966E+17
Volume
2.5511950372875E+26
Surface area
1.9452700431187E+18
Circumference
2472093460.3509
Perimeter
1573783576
Area
154799671505459236
Diagonal
556416519.35481
Surface area
928798029032755416
Volume
6.0905295146372E+25
Space diagonal
681468278.43736
Perimeter
1180337682
Area
6.7030224010607E+16
Altitude
340734139.21868
Surface area
6.7030224010607E+16
Volume
7.1777578680279E+24
Height
185472173.11827