393640905 (number)

393640905 is an odd 9-digits composite number following 393640904 and preceding 393640906. In scientific notation, it is written as 3.93640905 × 10^8. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 179036352 positive integers (up to 393640905) that are relatively prime to 393640905.

Interesting facts

Basic properties

Name

Name three hundred ninety-three million six hundred forty thousand nine hundred five

Notation

Scientific notation 3.93640905 × 10^8
Engineering notation 3.93640905 × 10^6

Prime Factorization of 393640905

Prime Factorization 7 × 3 × 5 × 199 × 18839

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 393640905
Product of the distinct prime numbers

The prime factorization of 393640905 is 7 × 3 × 5 × 199 × 18839. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 393640905)

Multiplication

n×y
n×2 787281810
n×3 1180922715
n×4 1574563620
n×5 1968204525

Division

n÷y
n÷2 196820452.5
n÷3 131213635
n÷3 98410226.25
n÷5 78728181

Exponentiation

ny
n2 154953162089219025
n3 6.0995902957412E+25
n4 2.4010482441448E+34
n5 9.4515080377381E+42

Nth Root

y√n
2√n 19840.385706936
3√n 732.88090631088
4√n 140.85590405424
5√n 52.362460326851

Divisors of 393640905

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -393640904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 393640905 can be divided by 32 positive divisors. The sum of these divisors (counting 393640905) is 1, the average is 0.03125.

Base conversion 393640905

Base System Value
2 Binary 10111011101100111101111001001
3 Ternary 1000102201000210210
4 Quaternary 113131213233021
5 Quinary 1301233002110
6 Senary 103021031333
8 Octal 2735475711
10 Decimal 393640905
12 Duodecimal ab9b5549
16 Hexadecimal 17767bc9
20 Vigesimal 6305255
36 Base36 6id39l

Cryptographic Hash Functions

md5 ceca119aa535918f0c76470c525a3c39
sha1 85cfee0a728b630b51ae577d3ad75ab753715a55
sha256 579e2ae44f43d7cced99604ad27de4dad1ff46d5afd71dfb0b13cf77ea0a80ff
sha512 8cfb683256c01b10319615b83f53ad7e57acb06c48d3afba513ad49d420ec95465ab895a8c0b491359751e793b1f425c24c5bd12ff6da2110862bc05ff8df079
ripemd-160 544b8fecaad7d36ae22f3ba99c270e76bf84d169

393640905 as geometric shapes

Circle

Radius = n
Diameter 787281810
Circumference 2473318750.6009
Area 4.8679971567E+17

Sphere

Radius = n
Volume 2.5549904084011E+26
Surface area 1.94719886268E+18
Circumference 2473318750.6009

Square

Length = n
Perimeter 1574563620
Area 154953162089219025
Diagonal 556692306.55582

Cube

Length = n
Surface area 929718972535314150
Volume 6.0995902957412E+25
Space diagonal 681806047.39739

Equilateral Triangle

Length = n
Perimeter 1180922715
Area 6.7096687382996E+16
Altitude 340903023.6987

Triangular Pyramid

Length = n
Surface area 6.7096687382996E+16
Volume 7.1884361009638E+24
Height 185564102.18527