86786721 is an odd 8-digits composite number following 86786720
and preceding 86786722 . In scientific notation, it is written as 8.6786721 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 49583664 positive integers (up to 86786721) that are relatively prime to 86786721.
86786721 has 16 divisors, whose sum is 102286800
The reverse of 86786721 is 12768768
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-six million seven hundred eighty-six thousand seven hundred twenty-one
Scientific notation
8.6786721 × 10^7
Engineering notation
8.6786721 × 10^6
Prime Factorization
9 × 9 × 21 × 9 × 5669
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1071441
Product of the distinct prime numbers
The prime factorization of 86786721 is 9 × 9 × 21 × 9 × 5669.
Since it has a total of 5 prime factors.
8 , 9 , 87 , 69 , 999 , 593 , 994 , 6627 , 9022 , 30077 , 361979 , 81473 , 8165745 , 2874951 , 572963 , 65856042 , 139092059 , 216036657 , 2468623114 , 7784745635
n×2
173573442
n×3
260360163
n×4
347146884
n×5
433933605
n÷2
43393360.5
n÷3
28928907
n÷3
21696680.25
n÷5
17357344.2
n2
7531934941931841
n3
6.5367193639559E+23
n4
5.6730043969494E+31
n5
4.9234144982982E+39
2 √n
9315.9390830984
3 √n
442.74237798674
4 √n
96.519112527511
5 √n
38.698190305527
1 , 9 , 21 , 81 , 189 , 729 , 1701 , 5669 , 15309 , 51021 , 119049 , 459189 , 1071441 , 4132701 , 9642969 , 86786721
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-86786720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 86786721 can be divided by 16 positive divisors.
The sum of these divisors (counting 86786721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001011000100001010100001
3
Ternary
20001022020000000
4
Quaternary
11023010022201
5
Quinary
134204133341
6
Senary
12340050213
8
Octal
513041241
10
Decimal
86786721
12
Duodecimal
25093969
16
Hexadecimal
52c42a1
20
Vigesimal
17286g1
36
Base36
1fo529
md5
07447d596000a28fa7db79fad398cf70
sha1
34d0365f69ff8150514c1d0c3dc7f0aba5edc3ef
sha256
8d7ac5788f2bb31b599dddf1c80255bd038ab8873d7667e7771134bb79ba1944
sha512
4f900364f1dc41de231abacdf9af85e50fdf9fb51914e7ae5cc74cf4d6c114dc8325cd5f2cd22cc382e386738908b56e2b88a443af11434cbf035758d51f31c9
ripemd-160
52ce74a8841732da6f61bfc2d84e020f059d20dd
Diameter
173573442
Circumference
545297050.24549
Area
2.3662271480889E+16
Volume
2.7380946043176E+24
Surface area
9.4649085923557E+16
Circumference
545297050.24549
Perimeter
347146884
Area
7531934941931841
Diagonal
122734957.87209
Surface area
45191609651591046
Volume
6.5367193639559E+23
Space diagonal
150319010.1943
Perimeter
260360163
Area
3.2614234996823E+15
Altitude
75159505.097152
Surface area
3.2614234996823E+15
Volume
7.7035976482777E+22
Height
40911652.62403