397888945 (number)

397888945 is an odd 9-digits composite number following 397888944 and preceding 397888946. In scientific notation, it is written as 3.97888945 × 10^8. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 318311152 positive integers (up to 397888945) that are relatively prime to 397888945.

Interesting facts

Basic properties

Name

Name three hundred ninety-seven million eight hundred eighty-eight thousand nine hundred forty-five

Notation

Scientific notation 3.97888945 × 10^8
Engineering notation 3.97888945 × 10^6

Prime Factorization of 397888945

Prime Factorization 5 × 79577789

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 397888945
Product of the distinct prime numbers

The prime factorization of 397888945 is 5 × 79577789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 34, 82, 532, 910, 3081, 3442, 30317, 47957, 568906, 598292, 7736235, 7208222, 17291551, 67303737, 422803516, 859557704, 3232407247, 4893447694

Basic calculations (n = 397888945)

Multiplication

n×y
n×2 795777890
n×3 1193666835
n×4 1591555780
n×5 1989444725

Division

n÷y
n÷2 198944472.5
n÷3 132629648.33333
n÷3 99472236.25
n÷5 79577789

Exponentiation

ny
n2 158315612553213025
n3 6.2992032055827E+25
n4 2.5063833178099E+34
n5 9.9726221408898E+42

Nth Root

y√n
2√n 19947.153806997
3√n 735.50781387682
4√n 141.23439314486
5√n 52.474991216893

Divisors of 397888945

1, 5, 79577789, 397888945

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -397888944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 397888945 can be divided by 4 positive divisors. The sum of these divisors (counting 397888945) is 1, the average is 0.25.

Base conversion 397888945

Base System Value
2 Binary 10111101101110100110110110001
3 Ternary 1000201200212000121
4 Quaternary 113231310312301
5 Quinary 1303324421240
6 Senary 103252050241
8 Octal 2755646661
10 Decimal 397888945
12 Duodecimal b1303981
16 Hexadecimal 17b74db1
20 Vigesimal 646g275
36 Base36 6kw52p

Cryptographic Hash Functions

md5 ec150788fdd09de50e3667ae99a0e750
sha1 d5ca48a7ff341632a81069ab53acc564bfa653c1
sha256 f79cb93c530c3d3306743b42b4773c1a75e68a020beb67c950fa013187355cd4
sha512 c67b3ec1892c123ea855879ad5526e44899e1745dd7407333b3d18f3fa6219016b6472038fc5a7f07ec0220d02453ff01e733a00033f31c1bcaced36c7d2f8b7
ripemd-160 35e66461a5b60bd425498959de2084789ff47e44

397888945 as geometric shapes

Circle

Radius = n
Diameter 795777890
Circumference 2500009973.1132
Area 4.9736316534574E+17

Sphere

Radius = n
Volume 2.6386040685504E+26
Surface area 1.989452661383E+18
Circumference 2500009973.1132

Square

Length = n
Perimeter 1591555780
Area 158315612553213025
Diagonal 562699942.33732

Cube

Length = n
Surface area 949893675319278150
Volume 6.2992032055827E+25
Space diagonal 689163868.50998

Equilateral Triangle

Length = n
Perimeter 1193666835
Area 6.8552671143389E+16
Altitude 344581934.25499

Triangular Pyramid

Length = n
Surface area 6.8552671143389E+16
Volume 7.4236821712326E+24
Height 187566647.44577