7875 is an odd 4-digits composite number following 7874
and preceding 7876 . In scientific notation, it is written as 7.875 × 10^3.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 3600 positive integers (up to 7875) that are relatively prime to 7875.
7875 has 12 divisors, whose sum is 11408
The reverse of 7875 is 5787
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 27
Digital Root 9
Name
seven thousand eight hundred seventy-five
Scientific notation
7.875 × 10^3
Engineering notation
7.875 × 10^3
Prime Factorization
45 × 5 × 7 × 5
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1575
Product of the distinct prime numbers
The prime factorization of 7875 is 45 × 5 × 7 × 5.
Since it has a total of 4 prime factors.
1 , 8 , 55 , 68 , 745 , 316 , 795 , 2925 , 42897 , 93791 , 622499 , 728116 , 4162337 , 9969127 , 80618226 , 90873433 , 173068071 , 398587616 , 3199514804 , 9839031278
n×2
15750
n×3
23625
n×4
31500
n×5
39375
n÷2
3937.5
n÷3
2625
n÷3
1968.75
n÷5
1575
n2
62015625
n3
488373046875
n4
3845937744140625
n5
3.0286759735107E+19
2 √n
88.741196746494
3 √n
19.895286039482
4 √n
9.420254600938
5 √n
6.0152005633661
1 , 5 , 7 , 25 , 35 , 45 , 175 , 225 , 315 , 1125 , 1575 , 7875
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7875 can be divided by 12 positive divisors.
The sum of these divisors (counting 7875) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111011000011
3
Ternary
101210200
4
Quaternary
1323003
5
Quinary
223000
6
Senary
100243
8
Octal
17303
10
Decimal
7875
12
Duodecimal
4683
16
Hexadecimal
1ec3
20
Vigesimal
jdf
36
Base36
62r
md5
eba237eccc24353ccaa4d62013556ac6
sha1
255e71049836fcefee2f09418b210767d7061cca
sha256
5820260936cae44e35abfd28b68537649d5ba9c5ea2320f9309864812d9da946
sha512
dadfdcb60a7ac197b3bc2b7b13ea693ab288d13fcff0941675bb098eaddb4fc6325a4a5d133d3504f82cbf31e0755edcd4d60d87e5c08742a148a2f6f2c9e7be
ripemd-160
0a4dfcd3d77725e601fac2c36b4631f5b262a7e1
Diameter
15750
Circumference
49480.084294039
Area
194827831.90778
Volume
2045692235031.7
Surface area
779311327.63112
Circumference
49480.084294039
Perimeter
31500
Area
62015625
Diagonal
11136.931803688
Surface area
372093750
Volume
488373046875
Space diagonal
13639.900109605
Perimeter
23625
Area
26853553.340785
Altitude
6819.9500548025
Surface area
26853553.340785
Volume
57555315532.341
Height
3712.3106012294