396945981 (number)

396945981 is an odd 9-digits composite number following 396945980 and preceding 396945982. In scientific notation, it is written as 3.96945981 × 10^8. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 264630636 positive integers (up to 396945981) that are relatively prime to 396945981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.96945981 × 10^8
Engineering notation 3.96945981 × 10^6

Prime Factorization of 396945981

Prime Factorization 3 × 9 × 14701703

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 396945981
Product of the distinct prime numbers

The prime factorization of 396945981 is 3 × 9 × 14701703. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 396945981)

Multiplication

n×y
n×2 793891962
n×3 1190837943
n×4 1587783924
n×5 1984729905

Division

n÷y
n÷2 198472990.5
n÷3 132315327
n÷3 99236495.25
n÷5 79389196.2

Exponentiation

ny
n2 157566111832052361
n3 6.254523483353E+25
n4 2.4827079597871E+34
n5 9.8550094663419E+42

Nth Root

y√n
2√n 19923.503231109
3√n 734.92632331041
4√n 141.15064020793
5√n 52.450095324518

Divisors of 396945981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -396945980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 396945981 can be divided by 8 positive divisors. The sum of these divisors (counting 396945981) is 1, the average is 0.125.

Base conversion 396945981

Base System Value
2 Binary 10111101010001110101000111101
3 Ternary 1000122220221112000
4 Quaternary 113222032220331
5 Quinary 1303104232411
6 Senary 103215532513
8 Octal 2752165075
10 Decimal 396945981
12 Duodecimal b0b2a139
16 Hexadecimal 17a8ea3d
20 Vigesimal 640i4j1
36 Base36 6kbxh9

Cryptographic Hash Functions

md5 8e8cbaccd37b639ab96b2b075e4f94f4
sha1 3d8994f476ce9b4ed7ded78e3bdfce65094e81f7
sha256 a9eae84416538a8e7991b26db44e567a6e31ce98639f5d787b2a39bd849dbb1d
sha512 624ee6e3bde8ac521ca238c09575ef5dc8e45657340ec800a9a72e90a7d42c3f0c4c92493ea269c4f3a02dc83686ae0a32fd1e341ddd63cbb5ffee53aa654ee3
ripemd-160 360fd2b2d48b90b7cdc39c005b0fabf73c859dd3

396945981 as geometric shapes

Circle

Radius = n
Diameter 793891962
Circumference 2494085155.5632
Area 4.9500853938628E+17

Sphere

Radius = n
Volume 2.6198886702675E+26
Surface area 1.9800341575451E+18
Circumference 2494085155.5632

Square

Length = n
Perimeter 1587783924
Area 157566111832052361
Diagonal 561366389.85969

Cube

Length = n
Surface area 945396670992314166
Volume 6.254523483353E+25
Space diagonal 687530606.95227

Equilateral Triangle

Length = n
Perimeter 1190837943
Area 6.8228127811049E+16
Altitude 343765303.47614

Triangular Pyramid

Length = n
Surface area 6.8228127811049E+16
Volume 7.3710266136157E+24
Height 187122129.95323