393988 (number)

393988 is an even 6-digits composite number following 393987 and preceding 393989. In scientific notation, it is written as 3.93988 × 10^5. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 168840 positive integers (up to 393988) that are relatively prime to 393988.

Interesting facts

Basic properties

Name

Name three hundred ninety-three thousand nine hundred eighty-eight

Notation

Scientific notation 3.93988 × 10^5
Engineering notation 3.93988 × 10^3

Prime Factorization of 393988

Prime Factorization 2 × 2 × 7 × 14071

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 196994
Product of the distinct prime numbers

The prime factorization of 393988 is 2 × 2 × 7 × 14071. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 393988)

Multiplication

n×y
n×2 787976
n×3 1181964
n×4 1575952
n×5 1969940

Division

n÷y
n÷2 196994
n÷3 131329.33333333
n÷3 98497
n÷5 78797.6

Exponentiation

ny
n2 155226544144
n3 61157395674206272
n4 2.4095280006889E+22
n5 9.4932511793543E+27

Nth Root

y√n
2√n 627.68463419141
3√n 73.309625026589
4√n 25.053635149243
5√n 13.155174064171

Divisors of 393988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -393987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 393988 can be divided by 12 positive divisors. The sum of these divisors (counting 393988) is 1, the average is 0.083333333333333.

Base conversion 393988

Base System Value
2 Binary 1100000001100000100
3 Ternary 202000110011
4 Quaternary 1200030010
5 Quinary 100101423
6 Senary 12240004
8 Octal 1401404
10 Decimal 393988
12 Duodecimal 170004
16 Hexadecimal 60304
20 Vigesimal 294j8
36 Base36 8g04

Cryptographic Hash Functions

md5 ea913856de52a35598524d7279177e76
sha1 a714dd4cd90a634f72c74cb78ce0ae058b442722
sha256 777cdf4b6dc1d3b90de58308b23a29f4391049c8c6370f0c30fe0b13caf2dbb5
sha512 0a5ce343ce5df39e2de49e0d37b588f9f9778c5406f3d4415f15f63f7bcdb3e76be144d043c75b163948ee6b53306889f714960cf039e2a87657267bcc09c098
ripemd-160 339ac170c193122b606f6a9875e9f09d90441522

393988 as geometric shapes

Circle

Radius = n
Diameter 787976
Circumference 2475499.6128051
Area 487658570724.92

Sphere

Radius = n
Volume 2.5617549995036E+17
Surface area 1950634282899.7
Circumference 2475499.6128051

Square

Length = n
Perimeter 1575952
Area 155226544144
Diagonal 557183.17301225

Cube

Length = n
Surface area 931359264864
Volume 61157395674206272
Space diagonal 682407.23357245

Equilateral Triangle

Length = n
Perimeter 1181964
Area 67215065285.185
Altitude 341203.61678622

Triangular Pyramid

Length = n
Surface area 67215065285.185
Volume 7.2074682001567E+15
Height 185727.72433742