393934981 (number)

393934981 is an odd 9-digits composite number following 393934980 and preceding 393934982. In scientific notation, it is written as 3.93934981 × 10^8. The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors. There are 358122600 positive integers (up to 393934981) that are relatively prime to 393934981.

Interesting facts

Basic properties

Name

Name three hundred ninety-three million nine hundred thirty-four thousand nine hundred eighty-one

Notation

Scientific notation 3.93934981 × 10^8
Engineering notation 3.93934981 × 10^6

Prime Factorization of 393934981

Prime Factorization 11 × 11 × 3255661

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 35812271
Product of the distinct prime numbers

The prime factorization of 393934981 is 11 × 11 × 3255661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 4, 70, 6, 917, 588, 7171, 8648, 89341, 13890, 827277, 909449, 971685, 7355272, 12631639, 10388995, 766205173, 893619799, 9157064300, 369303910

Basic calculations (n = 393934981)

Multiplication

n×y
n×2 787869962
n×3 1181804943
n×4 1575739924
n×5 1969674905

Division

n÷y
n÷2 196967490.5
n÷3 131311660.33333
n÷3 98483745.25
n÷5 78786996.2

Exponentiation

ny
n2 155184769255470361
n3 6.1132709128143E+25
n4 2.4082312608874E+34
n5 9.4868653600127E+42

Nth Root

y√n
2√n 19847.795368756
3√n 733.06336451495
4√n 140.88220387528
5√n 52.370281639755

Divisors of 393934981

1, 11, 121, 3255661, 35812271, 393934981

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -393934980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 393934981 can be divided by 6 positive divisors. The sum of these divisors (counting 393934981) is 1, the average is 0.16666666666667.

Base conversion 393934981

Base System Value
2 Binary 10111011110101111100010000101
3 Ternary 1000110020222012111
4 Quaternary 113132233202011
5 Quinary 1301321404411
6 Senary 103031221021
8 Octal 2736574205
10 Decimal 393934981
12 Duodecimal abb17771
16 Hexadecimal 177af885
20 Vigesimal 6321h91
36 Base36 6ije6d

Cryptographic Hash Functions

md5 ae0b0920350c0ab98946702d11c810e9
sha1 3422173095f27d6531905f814c2479d4b9f3b03b
sha256 74d3ca0062b8e26faba84acb82b39e98dc0ab0d18e97bfa71683ce5ce5b3d742
sha512 e1c795f13190e39311209867860a726ed58d4667c72bdbf1d00d790006ec5e31f4b2e2299359be9dd5d6b8ea6cf1a552dd069e4b83c03f356fa2b857b6a23c97
ripemd-160 44aa37dd54fb8dcc535db7b409c31d4a79d05a1e

393934981 as geometric shapes

Circle

Radius = n
Diameter 787869962
Circumference 2475166484.6033
Area 4.8752733104201E+17

Sphere

Radius = n
Volume 2.5607209318802E+26
Surface area 1.9501093241681E+18
Circumference 2475166484.6033

Square

Length = n
Perimeter 1575739924
Area 155184769255470361
Diagonal 557108192.82339

Cube

Length = n
Surface area 931108615532822166
Volume 6.1132709128143E+25
Space diagonal 682315401.97068

Equilateral Triangle

Length = n
Perimeter 1181804943
Area 6.7196976227832E+16
Altitude 341157700.98534

Triangular Pyramid

Length = n
Surface area 6.7196976227832E+16
Volume 7.2045588628025E+24
Height 185702730.94113