1971 (number)

1971 is an odd 4-digits composite number following 1970 and preceding 1972. In scientific notation, it is written as 1.971 × 10^3. The sum of its digits is 18. It has a total of 4 prime factors and 8 positive divisors. There are 1296 positive integers (up to 1971) that are relatively prime to 1971.

Interesting facts

Basic properties

Name

Name one thousand nine hundred seventy-one

Notation

Scientific notation 1.971 × 10^3
Engineering notation 1.971 × 10^3

Prime Factorization of 1971

Prime Factorization 3 × 73 × 3 × 3

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 219
Product of the distinct prime numbers

The prime factorization of 1971 is 3 × 73 × 3 × 3. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1971)

Multiplication

n×y
n×2 3942
n×3 5913
n×4 7884
n×5 9855

Division

n÷y
n÷2 985.5
n÷3 657
n÷3 492.75
n÷5 394.2

Exponentiation

ny
n2 3884841
n3 7657021611
n4 15091989595281
n5 29746311492298851

Nth Root

y√n
2√n 44.395945760846
3√n 12.538017589144
4√n 6.6630282725534
5√n 4.5597110779968

Divisors of 1971

1, 3, 9, 27, 73, 219, 657, 1971

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 -1970
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 1971 can be divided by 8 positive divisors. The sum of these divisors (counting 1971) is 1, the average is 0.125.

Base conversion 1971

Base System Value
2 Binary 11110110011
3 Ternary 2201000
4 Quaternary 132303
5 Quinary 30341
6 Senary 13043
8 Octal 3663
10 Decimal 1971
12 Duodecimal 1183
16 Hexadecimal 7b3
20 Vigesimal 4ib
36 Base36 1ir

Cryptographic Hash Functions

md5 de73998802680548b916f1947ffbad76
sha1 8336e40ea16b97a960be85fc496a66921cd296cc
sha256 2b5d2ba5803e6fe3a2bc08b5f3965f47a92918a9c44b8090618d5d5a2876cf8c
sha512 315ace935f8a5803dcb69e034c623da5a95b0e0fa8275c7be6965bcc776a5f8128a477adb8af1e1d5db7f75a93cd3f2c908b2daef2533105fe6dd54915868f1a
ripemd-160 2a29f3ea6c95b781cffe2993e30633f7aaa7bc3b

1971 as geometric shapes

Circle

Radius = n
Diameter 3942
Circumference 12384.158240451
Area 12204587.945964

Sphere

Radius = n
Volume 32073657121.995
Surface area 48818351.783858
Circumference 12384.158240451

Square

Length = n
Perimeter 7884
Area 3884841
Diagonal 2787.4149314374

Cube

Length = n
Surface area 23309046
Volume 7657021611
Space diagonal 3413.8721417183

Equilateral Triangle

Length = n
Perimeter 5913
Area 1682185.4978317
Altitude 1706.9360708591

Triangular Pyramid

Length = n
Surface area 1682185.4978317
Volume 902388650.80501
Height 929.13831047912