1975 (number)

1975 is an odd 4-digits composite number following 1974 and preceding 1976. In scientific notation, it is written as 1.975 × 10^3. The sum of its digits is 22. It has a total of 3 prime factors and 6 positive divisors. There are 1560 positive integers (up to 1975) that are relatively prime to 1975.

Interesting facts

Basic properties

Name

Name one thousand nine hundred seventy-five

Notation

Scientific notation 1.975 × 10^3
Engineering notation 1.975 × 10^3

Prime Factorization of 1975

Prime Factorization 5 × 5 × 79

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 395
Product of the distinct prime numbers

The prime factorization of 1975 is 5 × 5 × 79. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1975)

Multiplication

n×y
n×2 3950
n×3 5925
n×4 7900
n×5 9875

Division

n÷y
n÷2 987.5
n÷3 658.33333333333
n÷3 493.75
n÷5 395

Exponentiation

ny
n2 3900625
n3 7703734375
n4 15214875390625
n5 30049378896484375

Nth Root

y√n
2√n 44.440972086578
3√n 12.546493520465
4√n 6.6664062347398
5√n 4.5615602973328

Divisors of 1975

1, 5, 25, 79, 395, 1975

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 -1974
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 1975 can be divided by 6 positive divisors. The sum of these divisors (counting 1975) is 1, the average is 0.16666666666667.

Base conversion 1975

Base System Value
2 Binary 11110110111
3 Ternary 2201011
4 Quaternary 132313
5 Quinary 30400
6 Senary 13051
8 Octal 3667
10 Decimal 1975
12 Duodecimal 1187
16 Hexadecimal 7b7
20 Vigesimal 4if
36 Base36 1iv

Cryptographic Hash Functions

md5 7d2b92b6726c241134dae6cd3fb8c182
sha1 97265864d4de7d166302649eb1f26d64d16c88d5
sha256 20ee235b5de5b36244da6f9aa1cbdd032a90867ba92276ccc8c38c0d0d57fcec
sha512 bd91a50b17ec3ccff5f647fadabc7c1142feca56ca299f300f485a1141271648fef286510d9a20bb24654acfde99976ef57c7d478e3b466f9bf4ee8f77f73b5d
ripemd-160 6e0cbc1d556d62e8b923d58141a9a411d600491b

1975 as geometric shapes

Circle

Radius = n
Diameter 3950
Circumference 12409.29098168
Area 12254174.844409

Sphere

Radius = n
Volume 32269327090.276
Surface area 49016699.377635
Circumference 12409.29098168

Square

Length = n
Perimeter 7900
Area 3900625
Diagonal 2793.0717856869

Cube

Length = n
Surface area 23403750
Volume 7703734375
Space diagonal 3420.8003449485

Equilateral Triangle

Length = n
Perimeter 5925
Area 1689020.1703183
Altitude 1710.4001724743

Triangular Pyramid

Length = n
Surface area 1689020.1703183
Volume 907893802.83707
Height 931.02392856229