394920809 (number)

394920809 is an odd 9-digits composite number following 394920808 and preceding 394920810. In scientific notation, it is written as 3.94920809 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 393634116 positive integers (up to 394920809) that are relatively prime to 394920809.

Interesting facts

Basic properties

Name

Name three hundred ninety-four million nine hundred twenty thousand eight hundred nine

Notation

Scientific notation 3.94920809 × 10^8
Engineering notation 3.94920809 × 10^6

Prime Factorization of 394920809

Prime Factorization 307 × 1286387

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 394920809
Product of the distinct prime numbers

The prime factorization of 394920809 is 307 × 1286387. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 4, 70, 88, 394, 664, 2860, 4125, 46107, 83350, 126913, 793598, 3566319, 3337393, 59184039, 83422644, 602508790, 589782944, 7895665751, 4121300769

Basic calculations (n = 394920809)

Multiplication

n×y
n×2 789841618
n×3 1184762427
n×4 1579683236
n×5 1974604045

Division

n÷y
n÷2 197460404.5
n÷3 131640269.66667
n÷3 98730202.25
n÷5 78984161.8

Exponentiation

ny
n2 155962445381214481
n3 6.1592815103568E+25
n4 2.4324284369288E+34
n5 9.6061660614654E+42

Nth Root

y√n
2√n 19872.61454867
3√n 733.67435569174
4√n 140.97026122083
5√n 52.396466919022

Divisors of 394920809

1, 307, 1286387, 394920809

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -394920808
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 394920809 can be divided by 4 positive divisors. The sum of these divisors (counting 394920809) is 1, the average is 0.25.

Base conversion 394920809

Base System Value
2 Binary 10111100010100000001101101001
3 Ternary 1000112010001111122
4 Quaternary 113202200031221
5 Quinary 1302044431214
6 Senary 103104305025
8 Octal 2742401551
10 Decimal 394920809
12 Duodecimal b0312175
16 Hexadecimal 178a0369
20 Vigesimal 6385209
36 Base36 6j4iuh

Cryptographic Hash Functions

md5 f9f82669dcb759411ea8b438b8de4d86
sha1 44c8e3a9a586f1de8110dd6b43c017dc7a8cbba4
sha256 e77273fc3cd59df6ec9000ebd63c1437065aec1c0e79d2b0f33cb83587fe2dca
sha512 59ec2c9987f11a06f198a1174e93aab3193ef17618bb7f8ac3ec7bda58e16e0ec46a555e3fced7d9a3863995e112dba8489c0d563d573f029f93c3ed652295bf
ripemd-160 4080ba96d5a3951cac9f1dab41cb604b102f585f

394920809 as geometric shapes

Circle

Radius = n
Diameter 789841618
Circumference 2481360624.6083
Area 4.8997047264552E+17

Sphere

Radius = n
Volume 2.5799938059104E+26
Surface area 1.9598818905821E+18
Circumference 2481360624.6083

Square

Length = n
Perimeter 1579683236
Area 155962445381214481
Diagonal 558502364.15115

Cube

Length = n
Surface area 935774672287286886
Volume 6.1592815103568E+25
Space diagonal 684022906.1542

Equilateral Triangle

Length = n
Perimeter 1184762427
Area 6.7533719868237E+16
Altitude 342011453.0771

Triangular Pyramid

Length = n
Surface area 6.7533719868237E+16
Volume 7.258782872017E+24
Height 186167454.71705