397017981 (number)

397017981 is an odd 9-digits composite number following 397017980 and preceding 397017982. In scientific notation, it is written as 3.97017981 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 263700360 positive integers (up to 397017981) that are relatively prime to 397017981.

Interesting facts

Basic properties

Name

Name three hundred ninety-seven million seventeen thousand nine hundred eighty-one

Notation

Scientific notation 3.97017981 × 10^8
Engineering notation 3.97017981 × 10^6

Prime Factorization of 397017981

Prime Factorization 9 × 271 × 162779

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 397017981
Product of the distinct prime numbers

The prime factorization of 397017981 is 9 × 271 × 162779. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 397017981)

Multiplication

n×y
n×2 794035962
n×3 1191053943
n×4 1588071924
n×5 1985089905

Division

n÷y
n÷2 198508990.5
n÷3 132339327
n÷3 99254495.25
n÷5 79403596.2

Exponentiation

ny
n2 157623277237316361
n3 6.2579275287363E+25
n4 2.4845097527032E+34
n5 9.8639504579303E+42

Nth Root

y√n
2√n 19925.310060323
3√n 734.9707554656
4√n 141.15704042067
5√n 52.451997917355

Divisors of 397017981

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 -397017980
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 397017981 can be divided by 8 positive divisors. The sum of these divisors (counting 397017981) is 1, the average is 0.125.

Base conversion 397017981

Base System Value
2 Binary 10111101010100000001101111101
3 Ternary 1000200001121021200
4 Quaternary 113222200031331
5 Quinary 1303114033411
6 Senary 103221250113
8 Octal 2752401575
10 Decimal 397017981
12 Duodecimal b0b63939
16 Hexadecimal 17aa037d
20 Vigesimal 64174j1
36 Base36 6kdh19

Cryptographic Hash Functions

md5 fa4253446aa11b85ecae02ce5ffc2bab
sha1 9b8a30e7df61de575051dfab575ddda34f986e01
sha256 2bfd4ef0a46ee06ead603b55fab8c77d03513cadab1d6d616edb33719b816f91
sha512 700be02ecc777c78b56e1717ab6217f5b8406bbf67984a35d5e83599de5b0455877280ba481312110e28f62658e70f16d7b45183416813c095323ba5055716d5
ripemd-160 c4dfcab637a1b78ca1c5c5afd5a229da4a385936

397017981 as geometric shapes

Circle

Radius = n
Diameter 794035962
Circumference 2494537544.9053
Area 4.951881298035E+17

Sphere

Radius = n
Volume 2.6213145534634E+26
Surface area 1.980752519214E+18
Circumference 2494537544.9053

Square

Length = n
Perimeter 1588071924
Area 157623277237316361
Diagonal 561468213.23618

Cube

Length = n
Surface area 945739663423898166
Volume 6.2579275287363E+25
Space diagonal 687655314.61042

Equilateral Triangle

Length = n
Perimeter 1191053943
Area 6.8252881157637E+16
Altitude 343827657.30521

Triangular Pyramid

Length = n
Surface area 6.8252881157637E+16
Volume 7.3750383195723E+24
Height 187156071.07873