390805965 (number)

390805965 is an odd 9-digits composite number following 390805964 and preceding 390805966. In scientific notation, it is written as 3.90805965 × 10^8. The sum of its digits is 45. It has a total of 7 prime factors and 54 positive divisors. There are 179508960 positive integers (up to 390805965) that are relatively prime to 390805965.

Interesting facts

Basic properties

Name

Name three hundred ninety million eight hundred five thousand nine hundred sixty-five

Notation

Scientific notation 3.90805965 × 10^8
Engineering notation 3.90805965 × 10^6

Prime Factorization of 390805965

Prime Factorization 165 × 81 × 9 × 3 × 3 × 19 × 19

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 6856245
Product of the distinct prime numbers

The prime factorization of 390805965 is 165 × 81 × 9 × 3 × 3 × 19 × 19. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 7, 40, 77, 235, 520, 1016, 6340, 44280, 32259, 153119, 79687, 5964738, 7201759, 17732142, 44278472, 157163756, 908338871, 1262566392, 2939648537

Basic calculations (n = 390805965)

Multiplication

n×y
n×2 781611930
n×3 1172417895
n×4 1563223860
n×5 1954029825

Division

n÷y
n÷2 195402982.5
n÷3 130268655
n÷3 97701491.25
n÷5 78161193

Exponentiation

ny
n2 152729302279581225
n3 5.9687522361148E+25
n4 2.3326239774808E+34
n5 9.1160336450151E+42

Nth Root

y√n
2√n 19768.812938566
3√n 731.11730136466
4√n 140.60161072536
5√n 52.286820870693

Divisors of 390805965

1, 3, 9, 19, 27, 57, 81, 165, 171, 243, 361, 495, 513, 729, 1083, 1485, 1539, 2187, 3135, 3249, 4455, 4617, 6561, 9405, 9747, 13365, 13851, 28215, 29241, 40095, 41553, 59565, 84645, 87723, 120285, 124659, 178695, 253935, 263169, 360855, 536085, 761805, 789507, 1082565, 1608255, 2285415, 2368521, 4824765, 6856245, 14474295, 20568735, 43422885, 130268655, 390805965

54 divisors

τ Total Divisors 54
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -390805964
Sum of the proper positive divisors of n
A Arithmetic Mean 0.018518518518519
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 54
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 390805965 can be divided by 54 positive divisors. The sum of these divisors (counting 390805965) is 1, the average is 0.018518518518519.

Base conversion 390805965

Base System Value
2 Binary 10111010010110011100111001101
3 Ternary 1000020101000000000
4 Quaternary 113102303213031
5 Quinary 1300021242330
6 Senary 102440154513
8 Octal 2722634715
10 Decimal 390805965
12 Duodecimal aaa68a39
16 Hexadecimal 174b39cd
20 Vigesimal 622aei5
36 Base36 6gobt9

Cryptographic Hash Functions

md5 8b2fd92e0fb270ee887ff1d0dbe7ff88
sha1 498dbad0f5ca383ced51d3faeed0bc0ec187a44c
sha256 af178c9b3dabf1aa9e01f57003b390b24f6a49aaa1e3ff76bfc98dfe431272af
sha512 d28ce7e9b3195eec76a18d6d356499012baef7681e48d2a5a349099ffaa734c857864c6d8b02c28fab27a3feb3e78e9bf46a73f941235791c81014b70f8ee018
ripemd-160 e223bfb5382f05b3db6ce9a980e47ca0b0eb431b

390805965 as geometric shapes

Circle

Radius = n
Diameter 781611930
Circumference 2455506297.2461
Area 4.7981325402943E+17

Sphere

Radius = n
Volume 2.5001850901435E+26
Surface area 1.9192530161177E+18
Circumference 2455506297.2461

Square

Length = n
Perimeter 1563223860
Area 152729302279581225
Diagonal 552683095.95931

Cube

Length = n
Surface area 916375813677487350
Volume 5.9687522361148E+25
Space diagonal 676895787.28098

Equilateral Triangle

Length = n
Perimeter 1172417895
Area 6.6133727838195E+16
Altitude 338447893.64049

Triangular Pyramid

Length = n
Surface area 6.6133727838195E+16
Volume 7.0342419689653E+24
Height 184227698.6531