397890 (number)

397890 is an even 6-digits composite number following 397889 and preceding 397891. In scientific notation, it is written as 3.97890 × 10^5. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 106080 positive integers (up to 397890) that are relatively prime to 397890.

Interesting facts

Basic properties

Name

Name three hundred ninety-seven thousand eight hundred ninety

Notation

Scientific notation 3.97890 × 10^5
Engineering notation 3.97890 × 10^3

Prime Factorization of 397890

Prime Factorization 2 × 9 × 5 × 4421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 397890
Product of the distinct prime numbers

The prime factorization of 397890 is 2 × 9 × 5 × 4421. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 22, 38, 754, 522, 6596, 5190, 30792, 63735, 725226, 533729, 6102091, 1503082, 45784964, 89628127, 247876304, 946059277, 1570134011, 4295896815

Basic calculations (n = 397890)

Multiplication

n×y
n×2 795780
n×3 1193670
n×4 1591560
n×5 1989450

Division

n÷y
n÷2 198945
n÷3 132630
n÷3 99472.5
n÷5 79578

Exponentiation

ny
n2 158316452100
n3 62992533126069000
n4 2.5064099005532E+22
n5 9.972754353311E+27

Nth Root

y√n
2√n 630.78522493793
3√n 73.550846394101
4√n 25.115437980213
5√n 13.181128833055

Divisors of 397890

1, 2, 5, 9, 10, 18, 45, 90, 4421, 8842, 22105, 39789, 44210, 79578, 198945, 397890

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 -397889
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 397890 can be divided by 16 positive divisors. The sum of these divisors (counting 397890) is 1, the average is 0.0625.

Base conversion 397890

Base System Value
2 Binary 1100001001001000010
3 Ternary 202012210200
4 Quaternary 1201021002
5 Quinary 100213030
6 Senary 12310030
8 Octal 1411102
10 Decimal 397890
12 Duodecimal 172316
16 Hexadecimal 61242
20 Vigesimal 29eea
36 Base36 8j0i

Cryptographic Hash Functions

md5 292d1bceb980490d41890f79ef2b10c9
sha1 6e13be35c46b9fb5b2c6f55e64557211e81cb704
sha256 517f86387fabe315f916e91a5fc45c80833c92b68f34d2329db7efb4339ee9b5
sha512 dd57f1c89ac4d6af730ba622087b93e306c31626e4f960a8207efc766d321c074b9aedaeeba2bc85a4c15f48d9e204e4372f0851abce5a377d2d0aed10e4537c
ripemd-160 22dcf8b851fb702a96745c90688cc8c8f55e6467

397890 as geometric shapes

Circle

Radius = n
Diameter 795780
Circumference 2500016.6018737
Area 497365802859.76

Sphere

Radius = n
Volume 2.6386250573316E+17
Surface area 1989463211439
Circumference 2500016.6018737

Square

Length = n
Perimeter 1591560
Area 158316452100
Diagonal 562701.43433263

Cube

Length = n
Surface area 949898712600
Volume 62992533126069000
Space diagonal 689165.69582358

Equilateral Triangle

Length = n
Perimeter 1193670
Area 68553034677.811
Altitude 344582.84791179

Triangular Pyramid

Length = n
Surface area 68553034677.811
Volume 7.4237412229269E+15
Height 187567.14477754