86786921 is an odd 8-digits composite number following 86786920
and preceding 86786922 . In scientific notation, it is written as 8.6786921 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 74323200 positive integers (up to 86786921) that are relatively prime to 86786921.
86786921 has 16 divisors, whose sum is 100372608
The reverse of 86786921 is 12968768
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty-six million seven hundred eighty-six thousand nine hundred twenty-one
Scientific notation
8.6786921 × 10^7
Engineering notation
8.6786921 × 10^6
Prime Factorization
17 × 13 × 71 × 5531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
86786921
Product of the distinct prime numbers
The prime factorization of 86786921 is 17 × 13 × 71 × 5531.
Since it has a total of 4 prime factors.
9 , 4 , 90 , 4 , 281 , 209 , 4631 , 3646 , 22954 , 52068 , 804468 , 696541 , 3542286 , 2599815 , 82141883 , 86309579 , 1878782 , 428608262 , 6758994912 , 4981886712
n×2
173573842
n×3
260360763
n×4
347147684
n×5
433934605
n÷2
43393460.5
n÷3
28928973.666667
n÷3
21696730.25
n÷5
17357384.2
n2
7531969656660241
n3
6.5367645556697E+23
n4
5.6730566908851E+31
n5
4.9234712286036E+39
2 √n
9315.9498173831
3 √n
442.74271808642
4 √n
96.519168134537
5 √n
38.698208141507
1 , 13 , 17 , 71 , 221 , 923 , 1207 , 5531 , 15691 , 71903 , 94027 , 392701 , 1222351 , 5105113 , 6675917 , 86786921
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
-86786920
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 86786921 can be divided by 16 positive divisors.
The sum of these divisors (counting 86786921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001011000100001101101001
3
Ternary
20001022020021102
4
Quaternary
11023010031221
5
Quinary
134204140141
6
Senary
12340051145
8
Octal
513041551
10
Decimal
86786921
12
Duodecimal
25093ab5
16
Hexadecimal
52c4369
20
Vigesimal
1728761
36
Base36
1fo57t
md5
5f6c64c5b3b52f5bbbbc1e498947a9e9
sha1
c7ebf728e529c06c4949c3b66e5ae305987e26a8
sha256
a6c6b62b92dc503c4478bff83811c998902b924603692bd11db1fa94d091b30f
sha512
3c9ec6aa2d6281551acd844a1ad43fbd42ec64a814fba5f9204564ecb67429eb5e5dbecde5cdb35e9f8cab71e4c7bbb3fdb6d44333720f9f0c7bca5055750767
ripemd-160
316fd43f308bdf70690575d7c5ca95f87138676c
Diameter
173573842
Circumference
545298306.88256
Area
2.3662380540425E+16
Volume
2.7381135341784E+24
Surface area
9.46495221617E+16
Circumference
545298306.88256
Perimeter
347147684
Area
7531969656660241
Diagonal
122735240.7148
Surface area
45191817939961446
Volume
6.5367645556697E+23
Space diagonal
150319356.60447
Perimeter
260360763
Area
3.2614385316007E+15
Altitude
75159678.302233
Surface area
3.2614385316007E+15
Volume
7.7036509072232E+22
Height
40911746.904934