390804945 (number)

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.

Interesting facts

Basic properties

Name

Name three hundred ninety million eight hundred four thousand nine hundred forty-five

Notation

Scientific notation 3.90804945 × 10^8
Engineering notation 3.90804945 × 10^6

Prime Factorization of 390804945

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.

Most popular turbo-numbers

Basic calculations (n = 390804945)

Multiplication

n×y
n×2 781609890
n×3 1172414835
n×4 1563219780
n×5 1954024725

Division

n÷y
n÷2 195402472.5
n÷3 130268315
n÷3 97701236.25
n÷5 78160989

Exponentiation

ny
n2 152728505036453025
n3 5.9687055010703E+25
n4 2.332599625067E+34
n5 9.1159146818132E+42

Nth Root

y√n
2√n 19768.787140338
3√n 731.11666529428
4√n 140.60151898304
5√n 52.286793577039

Divisors of 390804945

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 conversion 390804945

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

Cryptographic Hash Functions

md5 7369d1348081f730dbbbe230d1243239
sha1 44139a55ab60ad3c0fba2f80977c069b16434f5e
sha256 a7e23e6efe4196c0d7569aa2789aeda24ecb3cceb31413e7d46b2f918034469b
sha512 6f90e65e3ad1ebc0689d5c76955ab819ebb4814c53233deae748b4e6db584a1f13657601e5833a3777d6c593ecd5edea21ce531532a890feef8db7cf244e25bc
ripemd-160 a644b6b4731684024bf326eda9e1d7ec8624b532

390804945 as geometric shapes

Circle

Radius = n
Diameter 781609890
Circumference 2455499888.3971
Area 4.7981074941627E+17

Sphere

Radius = n
Volume 2.5001655138138E+26
Surface area 1.9192429976651E+18
Circumference 2455499888.3971

Square

Length = n
Perimeter 1563219780
Area 152728505036453025
Diagonal 552681653.46147

Cube

Length = n
Surface area 916371030218718150
Volume 5.9687055010703E+25
Space diagonal 676894020.58916

Equilateral Triangle

Length = n
Perimeter 1172414835
Area 6.6133382621794E+16
Altitude 338447010.29458

Triangular Pyramid

Length = n
Surface area 6.6133382621794E+16
Volume 7.0341868911871E+24
Height 184227217.82049