8721875 is an odd 7-digits composite number following 8721874
and preceding 8721876 . In scientific notation, it is written as 8.721875 × 10^6.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 6975000 positive integers (up to 8721875) that are relatively prime to 8721875.
8721875 has 12 divisors, whose sum is 10905552
The reverse of 8721875 is 5781278
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 38
Digital Root 2
Name
eight million seven hundred twenty-one thousand eight hundred seventy-five
Scientific notation
8.721875 × 10^6
Engineering notation
8.721875 × 10^6
Prime Factorization
25 × 5 × 25 × 2791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
348875
Product of the distinct prime numbers
The prime factorization of 8721875 is 25 × 5 × 25 × 2791.
Since it has a total of 4 prime factors.
3 , 2 , 60 , 51 , 29 , 154 , 4636 , 3565 , 72964 , 37206 , 105755 , 807229 , 7288034 , 5217866 , 2544704 , 69175554 , 365322516 , 330226970 , 823665359 , 9493173623
n×2
17443750
n×3
26165625
n×4
34887500
n×5
43609375
n÷2
4360937.5
n÷3
2907291.6666667
n÷3
2180468.75
n÷5
1744375
n2
76071103515625
n3
6.6348265597534E+20
n4
5.7868127900849E+27
n5
5.0471857803522E+34
2 √n
2953.2820725423
3 √n
205.84324487268
4 √n
54.344107983684
5 √n
24.44116886699
1 , 5 , 25 , 125 , 625 , 2791 , 3125 , 13955 , 69775 , 348875 , 1744375 , 8721875
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
-8721874
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 8721875 can be divided by 12 positive divisors.
The sum of these divisors (counting 8721875) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100001010001010111010011
3
Ternary
121102010011102
4
Quaternary
201101113103
5
Quinary
4213100000
6
Senary
510535015
8
Octal
41212723
10
Decimal
8721875
12
Duodecimal
2b0746b
16
Hexadecimal
8515d3
20
Vigesimal
2ea4df
36
Base36
56xub
md5
d91c7ad781f03678646972e655b04ee5
sha1
6ba4f6952a591707e1253ea717236af1371dc3dd
sha256
a68bbb8946a466858cd4f4b711f7593b1ea7268a2039e20968cc094fc7081fe4
sha512
322c833db16d10b169d82f4d9444eb86b14bd9c7b1481b05670ea142ab4a13afcc7338ea20590deaba75e92a760f6506aabe887af40999884a0cec653250b06b
ripemd-160
98331196788160a7238c7a383703c5e0ecf77e37
Diameter
17443750
Circumference
54801156.851057
Area
2.3898441995516E+14
Volume
2.7791896503952E+21
Surface area
9.5593767982062E+14
Circumference
54801156.851057
Perimeter
34887500
Area
76071103515625
Diagonal
12334593.914323
Surface area
456426621093750
Volume
6.6348265597534E+20
Space diagonal
15106730.637265
Perimeter
26165625
Area
32939754069223
Altitude
7553365.3186324
Surface area
32939754069223
Volume
7.8192180873304E+19
Height
4111531.3047743