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.
1975 has 6 divisors, whose sum is 2480
The reverse of 1975 is 5791
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 22
Digital Root 4
Name
one thousand nine hundred seventy-five
Scientific notation
1.975 × 10^3
Engineering notation
1.975 × 10^3
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.
4 , 4 , 77 , 13 , 968 , 152 , 4067 , 6830 , 9570 , 18112 , 58013 , 833727 , 6439211 , 8510217 , 48915273 , 6903528 , 163044462 , 863765858 , 966398093 , 6216774515
n×2
3950
n×3
5925
n×4
7900
n×5
9875
n÷2
987.5
n÷3
658.33333333333
n÷3
493.75
n÷5
395
n2
3900625
n3
7703734375
n4
15214875390625
n5
30049378896484375
2 √n
44.440972086578
3 √n
12.546493520465
4 √n
6.6664062347398
5 √n
4.5615602973328
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
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
md5
7d2b92b6726c241134dae6cd3fb8c182
sha1
97265864d4de7d166302649eb1f26d64d16c88d5
sha256
20ee235b5de5b36244da6f9aa1cbdd032a90867ba92276ccc8c38c0d0d57fcec
sha512
bd91a50b17ec3ccff5f647fadabc7c1142feca56ca299f300f485a1141271648fef286510d9a20bb24654acfde99976ef57c7d478e3b466f9bf4ee8f77f73b5d
ripemd-160
6e0cbc1d556d62e8b923d58141a9a411d600491b
Diameter
3950
Circumference
12409.29098168
Area
12254174.844409
Volume
32269327090.276
Surface area
49016699.377635
Circumference
12409.29098168
Perimeter
7900
Area
3900625
Diagonal
2793.0717856869
Surface area
23403750
Volume
7703734375
Space diagonal
3420.8003449485
Perimeter
5925
Area
1689020.1703183
Altitude
1710.4001724743
Surface area
1689020.1703183
Volume
907893802.83707
Height
931.02392856229