394477981 (number)

394477981 is an odd 9-digits composite number following 394477980 and preceding 394477982. In scientific notation, it is written as 3.94477981 × 10^8. The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors. There are 359686656 positive integers (up to 394477981) that are relatively prime to 394477981.

Interesting facts

Basic properties

Name

Name three hundred ninety-four million four hundred seventy-seven thousand nine hundred eighty-one

Notation

Scientific notation 3.94477981 × 10^8
Engineering notation 3.94477981 × 10^6

Prime Factorization of 394477981

Prime Factorization 29 × 19 × 379 × 1889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 394477981
Product of the distinct prime numbers

The prime factorization of 394477981 is 29 × 19 × 379 × 1889. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 394477981)

Multiplication

n×y
n×2 788955962
n×3 1183433943
n×4 1577911924
n×5 1972389905

Division

n÷y
n÷2 197238990.5
n÷3 131492660.33333
n÷3 98619495.25
n÷5 78895596.2

Exponentiation

ny
n2 155612877493836361
n3 6.1385853731369E+25
n4 2.4215367641912E+34
n5 9.5524293365541E+42

Nth Root

y√n
2√n 19861.46975931
3√n 733.40002807093
4√n 140.93072681041
5√n 52.384711125937

Divisors of 394477981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -394477980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 394477981 can be divided by 16 positive divisors. The sum of these divisors (counting 394477981) is 1, the average is 0.0625.

Base conversion 394477981

Base System Value
2 Binary 10111100000110100000110011101
3 Ternary 1000111021120001121
4 Quaternary 113200310012131
5 Quinary 1301441243411
6 Senary 103051010541
8 Octal 2740640635
10 Decimal 394477981
12 Duodecimal b0139a51
16 Hexadecimal 1783419d
20 Vigesimal 6359ej1
36 Base36 6iv15p

Cryptographic Hash Functions

md5 bd57cabf9010902647de405eaec852b9
sha1 c5aba94f34d7fb0d1b823c49ec80dcb1d44ced50
sha256 87d9df3246a920ceea882e8403a209cbf4e5743e362a71ce08becbf224a6ea75
sha512 205eea4812373ae77d93418f9cfbfc0f18f406d28b1d0137657becbdbfe9e11246ea26c47c3b3f857246d67a21b72361e3ba011f36733eb714e64ed7cc8e240f
ripemd-160 8d168d76629f2eeecf052ea56e88a137325c994c

394477981 as geometric shapes

Circle

Radius = n
Diameter 788955962
Circumference 2478578254.2251
Area 4.888722727386E+17

Sphere

Radius = n
Volume 2.5713246282241E+26
Surface area 1.9554890909544E+18
Circumference 2478578254.2251

Square

Length = n
Perimeter 1577911924
Area 155612877493836361
Diagonal 557876110.78776

Cube

Length = n
Surface area 933677264963018166
Volume 6.1385853731369E+25
Space diagonal 683255905.55919

Equilateral Triangle

Length = n
Perimeter 1183433943
Area 6.7382352532829E+16
Altitude 341627952.7796

Triangular Pyramid

Length = n
Surface area 6.7382352532829E+16
Volume 7.2343922403961E+24
Height 185958703.59592