397687644 (number)

397687644 is an even 9-digits composite number following 397687643 and preceding 397687645. In scientific notation, it is written as 3.97687644 × 10^8. The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors. There are 132562440 positive integers (up to 397687644) that are relatively prime to 397687644.

Interesting facts

Basic properties

Name

Name three hundred ninety-seven million six hundred eighty-seven thousand six hundred forty-four

Notation

Scientific notation 3.97687644 × 10^8
Engineering notation 3.97687644 × 10^6

Prime Factorization of 397687644

Prime Factorization 2 × 2 × 27 × 3 × 1227431

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 198843822
Product of the distinct prime numbers

The prime factorization of 397687644 is 2 × 2 × 27 × 3 × 1227431. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 397687644)

Multiplication

n×y
n×2 795375288
n×3 1193062932
n×4 1590750576
n×5 1988438220

Division

n÷y
n÷2 198843822
n÷3 132562548
n÷3 99421911
n÷5 79537528.8

Exponentiation

ny
n2 158155462190270736
n3 6.289647314418E+25
n4 2.5013150220618E+34
n5 9.9474207802557E+42

Nth Root

y√n
2√n 19942.107310914
3√n 735.38375628401
4√n 141.2165263378
5√n 52.469680485511

Divisors of 397687644

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -397687643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 397687644 can be divided by 24 positive divisors. The sum of these divisors (counting 397687644) is 1, the average is 0.041666666666667.

Base conversion 397687644

Base System Value
2 Binary 10111101101000011101101011100
3 Ternary 1000201022121220000
4 Quaternary 113231003231130
5 Quinary 1303302001034
6 Senary 103243454300
8 Octal 2755035534
10 Decimal 397687644
12 Duodecimal b1227390
16 Hexadecimal 17b43b5c
20 Vigesimal 645aj24
36 Base36 6krtr0

Cryptographic Hash Functions

md5 f621ea02dae8404f8c7432b1f5d0246f
sha1 b2ceea1b69990c4ca1b3b02a0975bc354de3ec80
sha256 256ba55a2a5060e0b7e4b753941ef54de737d1d1354c6d39c7a905b7fd52fd87
sha512 62edcd8d5702d8efb6203137bfa48f49d3bbaa2e1f2c447ff61da82597c7bf80dacec228602d247fa2f929930ece9b24989394ab9988a5f0ca6a0ba4fe6460f1
ripemd-160 0b7bf5ed92064931eddee89ef2aa1512fd47d902

397687644 as geometric shapes

Circle

Radius = n
Diameter 795375288
Circumference 2498745161.6277
Area 4.9686003814205E+17

Sphere

Radius = n
Volume 2.6346013062195E+26
Surface area 1.9874401525682E+18
Circumference 2498745161.6277

Square

Length = n
Perimeter 1590750576
Area 158155462190270736
Diagonal 562415259.733

Cube

Length = n
Surface area 948932773141624416
Volume 6.289647314418E+25
Space diagonal 688815204.95036

Equilateral Triangle

Length = n
Perimeter 1193062932
Area 6.8483324002022E+16
Altitude 344407602.47518

Triangular Pyramid

Length = n
Surface area 6.8483324002022E+16
Volume 7.4124204454945E+24
Height 187471753.24433