390804945 is an odd 9-digits composite number following 390804944
and preceding 390804946 . In scientific notation, it is written as 3.90804945 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 205493120 positive integers (up to 390804945) that are relatively prime to 390804945.
390804945 has 8 divisors, whose sum is 422731008
The reverse of 390804945 is 549408093
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
three hundred ninety million eight hundred four thousand nine hundred forty-five
Scientific notation
3.90804945 × 10^8
Engineering notation
3.90804945 × 10^6
Prime Factorization
15 × 71 × 366953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
390804945
Product of the distinct prime numbers
The prime factorization of 390804945 is 15 × 71 × 366953.
Since it has a total of 3 prime factors.
3 , 6 , 6 , 83 , 46 , 561 , 7437 , 4546 , 99906 , 85164 , 908916 , 883905 , 6489490 , 3630782 , 15872922 , 34126686 , 404772238 , 121261762 , 9238741262 , 5160703048
n×2
781609890
n×3
1172414835
n×4
1563219780
n×5
1954024725
n÷2
195402472.5
n÷3
130268315
n÷3
97701236.25
n÷5
78160989
n2
152728505036453025
n3
5.9687055010703E+25
n4
2.332599625067E+34
n5
9.1159146818132E+42
2 √n
19768.787140338
3 √n
731.11666529428
4 √n
140.60151898304
5 √n
52.286793577039
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
-390804944
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 390804945 can be divided by 8 positive divisors.
The sum of these divisors (counting 390804945) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111010010110011010111010001
3
Ternary
1000020100221121020
4
Quaternary
113102303113101
5
Quinary
1300021224240
6
Senary
102440150053
8
Octal
2722632721
10
Decimal
390804945
12
Duodecimal
aaa68329
16
Hexadecimal
174b35d1
20
Vigesimal
622ac75
36
Base36
6gob0x
md5
7369d1348081f730dbbbe230d1243239
sha1
44139a55ab60ad3c0fba2f80977c069b16434f5e
sha256
a7e23e6efe4196c0d7569aa2789aeda24ecb3cceb31413e7d46b2f918034469b
sha512
6f90e65e3ad1ebc0689d5c76955ab819ebb4814c53233deae748b4e6db584a1f13657601e5833a3777d6c593ecd5edea21ce531532a890feef8db7cf244e25bc
ripemd-160
a644b6b4731684024bf326eda9e1d7ec8624b532
Diameter
781609890
Circumference
2455499888.3971
Area
4.7981074941627E+17
Volume
2.5001655138138E+26
Surface area
1.9192429976651E+18
Circumference
2455499888.3971
Perimeter
1563219780
Area
152728505036453025
Diagonal
552681653.46147
Surface area
916371030218718150
Volume
5.9687055010703E+25
Space diagonal
676894020.58916
Perimeter
1172414835
Area
6.6133382621794E+16
Altitude
338447010.29458
Surface area
6.6133382621794E+16
Volume
7.0341868911871E+24
Height
184227217.82049