86642731 is an odd 8-digits composite number following 86642730
and preceding 86642732 . In scientific notation, it is written as 8.6642731 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 73725120 positive integers (up to 86642731) that are relatively prime to 86642731.
86642731 has 12 divisors, whose sum is 101521560
The reverse of 86642731 is 13724668
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-six million six hundred forty-two thousand seven hundred thirty-one
Scientific notation
8.6642731 × 10^7
Engineering notation
8.6642731 × 10^6
Prime Factorization
7 × 7 × 139 × 12721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12377533
Product of the distinct prime numbers
The prime factorization of 86642731 is 7 × 7 × 139 × 12721.
Since it has a total of 4 prime factors.
6 , 8 , 70 , 32 , 210 , 82 , 84 , 7345 , 69365 , 29039 , 413169 , 512417 , 9425631 , 3530328 , 49036653 , 88686176 , 973178189 , 366240207 , 6378766369 , 1720413285
n×2
173285462
n×3
259928193
n×4
346570924
n×5
433213655
n÷2
43321365.5
n÷3
28880910.333333
n÷3
21660682.75
n÷5
17328546.2
n2
7506962835138361
n3
6.5042376155189E+23
n4
5.6354491008149E+31
n5
4.8827070050609E+39
2 √n
9308.2077222202
3 √n
442.49738749561
4 √n
96.479053282151
5 √n
38.685340749739
1 , 7 , 49 , 139 , 973 , 6811 , 12721 , 89047 , 623329 , 1768219 , 12377533 , 86642731
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
-86642730
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 86642731 can be divided by 12 positive divisors.
The sum of these divisors (counting 86642731) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001010100001000000101011
3
Ternary
20001000220111001
4
Quaternary
11022201000223
5
Quinary
134140031411
6
Senary
12333015431
8
Octal
512410053
10
Decimal
86642731
12
Duodecimal
25024577
16
Hexadecimal
52a102b
20
Vigesimal
171a6gb
36
Base36
1fl1yj
md5
5f569d4c73af6722538d3aedea2e1d74
sha1
e5da6f300143b011653315b5766ec70f6155ac48
sha256
ba4f86e75aeacf10463c005ab6ea7149c542a267f7886d2feb13a6a1a00bdc1d
sha512
52f68b1fe3a594c509bfe6e0f7b2ba11df097aa2cab72cbd55f9e31328ef7b1d325c2bdb982058e50a21af714765c2f7bf5be3d79d1f11dd0e23a22e051d538b
ripemd-160
fc4bcfb7232b2a21e0439bbbc0a5b48112a61a2b
Diameter
173285462
Circumference
544392334.39311
Area
2.3583819293642E+16
Volume
2.7244886813489E+24
Surface area
9.4335277174569E+16
Circumference
544392334.39311
Perimeter
346570924
Area
7506962835138361
Diagonal
122531325.26124
Surface area
45041777010830166
Volume
6.5042376155189E+23
Space diagonal
150069612.19852
Perimeter
259928193
Area
3.2506102602477E+15
Altitude
75034806.099261
Surface area
3.2506102602477E+15
Volume
7.6653175406367E+22
Height
40843775.087081