86787421 is an odd 8-digits composite number following 86787420
and preceding 86787422 . In scientific notation, it is written as 8.6787421 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 70298928 positive integers (up to 86787421) that are relatively prime to 86787421.
86787421 has 16 divisors, whose sum is 104665600
The reverse of 86787421 is 12478768
Previous prime number is 883
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-six million seven hundred eighty-seven thousand four hundred twenty-one
Scientific notation
8.6787421 × 10^7
Engineering notation
8.6787421 × 10^6
Prime Factorization
7 × 19 × 883 × 739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
86787421
Product of the distinct prime numbers
The prime factorization of 86787421 is 7 × 19 × 883 × 739.
Since it has a total of 4 prime factors.
4 , 1 , 82 , 78 , 110 , 475 , 7204 , 1471 , 72855 , 64283 , 46339 , 454725 , 4275349 , 8019621 , 68033069 , 2431277 , 252790342 , 172029852 , 2529941950 , 3961349062
n×2
173574842
n×3
260362263
n×4
347149684
n×5
433937105
n÷2
43393710.5
n÷3
28929140.333333
n÷3
21696855.25
n÷5
17357484.2
n2
7532056443831241
n3
6.5368775358654E+23
n4
5.673187427306E+31
n5
4.9236130566551E+39
2 √n
9315.9766530407
3 √n
442.74356833333
4 √n
96.519307151682
5 √n
38.698252731312
1 , 7 , 19 , 133 , 739 , 883 , 5173 , 6181 , 14041 , 16777 , 98287 , 117439 , 652537 , 4567759 , 12398203 , 86787421
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
-86787420
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 86787421 can be divided by 16 positive divisors.
The sum of these divisors (counting 86787421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001011000100010101011101
3
Ternary
20001022020221221
4
Quaternary
11023010111131
5
Quinary
134204144141
6
Senary
12340053341
8
Octal
513042535
10
Decimal
86787421
12
Duodecimal
25094251
16
Hexadecimal
52c455d
20
Vigesimal
17288b1
36
Base36
1fo5lp
md5
28f5a004decf1b262548509989ee388a
sha1
4bfdbe9246a6cd4191daf6e6a88f9ac89c62d64b
sha256
f7a97d70a863c362e7440acd4e39382facb63ed24cc3ff956076154b0def2a6d
sha512
d54f5e15a03cbca06f34e10df2c5a595b43d5b830c4414a06bb40d96f048fd27e35532f9f1f06ce20d3e1ccaf9664f3fe89888f58927fde417b856f46e6a6113
ripemd-160
7986105d43fc91f918622d63dc8b33aea2142709
Diameter
173574842
Circumference
545301448.47521
Area
2.3662653190364E+16
Volume
2.7381608592121E+24
Surface area
9.4650612761456E+16
Circumference
545301448.47521
Perimeter
347149684
Area
7532056443831241
Diagonal
122735947.82158
Surface area
45192338662987446
Volume
6.5368775358654E+23
Space diagonal
150320222.62987
Perimeter
260362263
Area
3.2614761115481E+15
Altitude
75160111.314935
Surface area
3.2614761115481E+15
Volume
7.7037840556608E+22
Height
40911982.607195