397281661 (number)

397281661 is an odd 9-digits composite number following 397281660 and preceding 397281662. In scientific notation, it is written as 3.97281661 × 10^8. The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors. There are 340527096 positive integers (up to 397281661) that are relatively prime to 397281661.

Interesting facts

Basic properties

Name

Name three hundred ninety-seven million two hundred eighty-one thousand six hundred sixty-one

Notation

Scientific notation 3.97281661 × 10^8
Engineering notation 3.97281661 × 10^6

Prime Factorization of 397281661

Prime Factorization 7 × 7 × 8107789

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 56754523
Product of the distinct prime numbers

The prime factorization of 397281661 is 7 × 7 × 8107789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 13, 23, 395, 620, 8841, 208, 11994, 47620, 647931, 96483, 3265042, 6437005, 10755246, 12634498, 155928029, 132749549, 2648647216, 4179759356

Basic calculations (n = 397281661)

Multiplication

n×y
n×2 794563322
n×3 1191844983
n×4 1589126644
n×5 1986408305

Division

n÷y
n÷2 198640830.5
n÷3 132427220.33333
n÷3 99320415.25
n÷5 79456332.2

Exponentiation

ny
n2 157832718166918921
n3 6.2704044433498E+25
n4 2.4911166923958E+34
n5 9.8967497729983E+42

Nth Root

y√n
2√n 19931.925672147
3√n 735.13343004658
4√n 141.18047199293
5√n 52.458963279483

Divisors of 397281661

1, 7, 49, 8107789, 56754523, 397281661

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 -397281660
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 397281661 can be divided by 6 positive divisors. The sum of these divisors (counting 397281661) is 1, the average is 0.16666666666667.

Base conversion 397281661

Base System Value
2 Binary 10111101011100000100101111101
3 Ternary 1000200112222222121
4 Quaternary 113223200211331
5 Quinary 1303201003121
6 Senary 103231042541
8 Octal 2753404575
10 Decimal 397281661
12 Duodecimal b1070451
16 Hexadecimal 17ae097d
20 Vigesimal 6430431
36 Base36 6kj4hp

Cryptographic Hash Functions

md5 378b9e5796d37ff1aeb4a8075fa65a25
sha1 f59069f7c9ec40b189a41f63f7962c935e0da90d
sha256 23d0367d22a0c75e09d0bffc2231002f1691805bc08337228b2d8932c33d868e
sha512 0bacda7a51ecc7d9d3136f4ead8738153bdd49cbdddf03b45fabbc48ee6c9f2d3ca7cf0739e54300dc69df9b133554ad94cbcd02ea2ffda0c5afff6f1530629d
ripemd-160 7b992ebcf920e27824b7fb4353c0300886fb2b4b

397281661 as geometric shapes

Circle

Radius = n
Diameter 794563322
Circumference 2496194295.2071
Area 4.958461078893E+17

Sphere

Radius = n
Volume 2.6265408712353E+26
Surface area 1.9833844315572E+18
Circumference 2496194295.2071

Square

Length = n
Perimeter 1589126644
Area 157832718166918921
Diagonal 561841113.06831

Cube

Length = n
Surface area 946996309001513526
Volume 6.2704044433498E+25
Space diagonal 688112021.76735

Equilateral Triangle

Length = n
Perimeter 1191844983
Area 6.8343571740451E+16
Altitude 344056010.88368

Triangular Pyramid

Length = n
Surface area 6.8343571740451E+16
Volume 7.3897425044582E+24
Height 187280371.02277