201731981 (number)

201731981 is an odd 9-digits composite number following 201731980 and preceding 201731982. In scientific notation, it is written as 2.01731981 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 183392700 positive integers (up to 201731981) that are relatively prime to 201731981.

Interesting facts

Basic properties

Name

Name two hundred one million seven hundred thirty-one thousand nine hundred eighty-one

Notation

Scientific notation 2.01731981 × 10^8
Engineering notation 2.01731981 × 10^6

Prime Factorization of 201731981

Prime Factorization 11 × 18339271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 201731981
Product of the distinct prime numbers

The prime factorization of 201731981 is 11 × 18339271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 38, 49, 594, 648, 1188, 3507, 11360, 52322, 845608, 17287, 2294837, 1125815, 85344799, 49026635, 160063816, 416081163, 4701700893, 3522295653

Basic calculations (n = 201731981)

Multiplication

n×y
n×2 403463962
n×3 605195943
n×4 806927924
n×5 1008659905

Division

n÷y
n÷2 100865990.5
n÷3 67243993.666667
n÷3 50432995.25
n÷5 40346396.2

Exponentiation

ny
n2 40695792158184361
n3 8.2096427704348E+24
n4 1.6561474993821E+33
n5 3.3409791587856E+41

Nth Root

y√n
2√n 14203.238398337
3√n 586.48681237089
4√n 119.17734012109
5√n 45.809436614911

Divisors of 201731981

1, 11, 18339271, 201731981

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 -201731980
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 201731981 can be divided by 4 positive divisors. The sum of these divisors (counting 201731981) is 1, the average is 0.25.

Base conversion 201731981

Base System Value
2 Binary 1100000001100010111110001101
3 Ternary 112001121001020212
4 Quaternary 30001202332031
5 Quinary 403120410411
6 Senary 32003452205
8 Octal 1401427615
10 Decimal 201731981
12 Duodecimal 57687065
16 Hexadecimal c062f8d
20 Vigesimal 330g9j1
36 Base36 3c3te5

Cryptographic Hash Functions

md5 f22ab633cfbec57a638324e8bdca43f0
sha1 f18e5aa24b24b7ebdcd335d5b94c9eb43c6afab2
sha256 dc9a3092757fcdacb28b46d4788e3af4902e6fa758b2ef680f8b8c07e04ebd20
sha512 c1f8a780f634d58a64dc81d6cfd607ab3a04dfea685c48fd8269f3b0ca71c73dac77285cdaa79f2a7d762d18d11829d1c4bc75151bab2d069328c526cdc153dd
ripemd-160 f9a3128a2b556d586a50a060b4fd5e51be8ded83

201731981 as geometric shapes

Circle

Radius = n
Diameter 403463962
Circumference 1267519419.0074
Area 1.2784960167617E+17

Sphere

Radius = n
Volume 3.4388471221593E+25
Surface area 5.1139840670468E+17
Circumference 1267519419.0074

Square

Length = n
Perimeter 806927924
Area 40695792158184361
Diagonal 285292103.49459

Cube

Length = n
Surface area 244174752949106166
Volume 8.2096427704348E+24
Space diagonal 349410040.60352

Equilateral Triangle

Length = n
Perimeter 605195943
Area 1.762179491806E+16
Altitude 174705020.30176

Triangular Pyramid

Length = n
Surface area 1.762179491806E+16
Volume 9.6751567901559E+23
Height 95097367.831531