86691979 is an odd 8-digits composite number following 86691978
and preceding 86691980 . In scientific notation, it is written as 8.6691979 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 78810880 positive integers (up to 86691979) that are relatively prime to 86691979.
86691979 has 4 divisors, whose sum is 94573080
The reverse of 86691979 is 97919668
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighty-six million six hundred ninety-one thousand nine hundred seventy-nine
Scientific notation
8.6691979 × 10^7
Engineering notation
8.6691979 × 10^6
Prime Factorization
11 × 7881089
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
86691979
Product of the distinct prime numbers
The prime factorization of 86691979 is 11 × 7881089.
Since it has a total of 2 prime factors.
5 , 3 , 64 , 9 , 660 , 531 , 3260 , 5905 , 73594 , 47460 , 583423 , 786827 , 2621476 , 8592628 , 46203366 , 82793759 , 677308225 , 578829039 , 5378734912 , 2890313611
n×2
173383958
n×3
260075937
n×4
346767916
n×5
433459895
n÷2
43345989.5
n÷3
28897326.333333
n÷3
21672994.75
n÷5
17338395.8
n2
7515499222936441
n3
6.5153350080932E+23
n4
5.6482728569958E+31
n5
4.8965995190495E+39
2 √n
9310.8527536418
3 √n
442.58121058341
4 √n
96.492760109978
5 √n
38.689737523995
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-86691978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 86691979 can be divided by 4 positive divisors.
The sum of these divisors (counting 86691979) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001010101101000010001011
3
Ternary
20001010102001001
4
Quaternary
11022231002023
5
Quinary
134143120404
6
Senary
12334035431
8
Octal
512550213
10
Decimal
86691979
12
Duodecimal
25048b77
16
Hexadecimal
52ad08b
20
Vigesimal
171g9ij
36
Base36
1fm3yj
md5
d594697681c6802bcccb0be802978067
sha1
bc2d2c7509673de51466d0182f8c9e2127d3623f
sha256
5d5cfc1b4f0bd74defc1c70527bc58b88c171815d1f8863232cd7d98209e8297
sha512
e07bceae6360a876b564391a0b30bbc7e40172eb797aa336d3aeab9cb492f444c4c42c78662cf1689f7d8b6256749d98937ba5bd0d7a56a0d29c7242249f027b
ripemd-160
af8adabbdd11cbb8d61ba14561c4d33960ed6bdf
Diameter
173383958
Circumference
544701768.70312
Area
2.3610637146837E+16
Volume
2.7291371462803E+24
Surface area
9.4442548587348E+16
Circumference
544701768.70312
Perimeter
346767916
Area
7515499222936441
Diagonal
122600972.45076
Surface area
45092995337618646
Volume
6.5153350080932E+23
Space diagonal
150154912.23669
Perimeter
260075937
Area
3.2543066245926E+15
Altitude
75077456.118347
Surface area
3.2543066245926E+15
Volume
7.678395943208E+22
Height
40866990.816921