86985 is an odd 5-digits composite number following 86984
and preceding 86986 . In scientific notation, it is written as 8.6985 × 10^4.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 46368 positive integers (up to 86985) that are relatively prime to 86985.
86985 has 4 divisors, whose sum is 88964
The reverse of 86985 is 58968
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 36
Digital Root 9
Name
eighty-six thousand nine hundred eighty-five
Scientific notation
8.6985 × 10^4
Engineering notation
8.6985 × 10^3
Prime Factorization
45 × 1933
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
86985
Product of the distinct prime numbers
The prime factorization of 86985 is 45 × 1933.
Since it has a total of 2 prime factors.
8 , 9 , 94 , 72 , 480 , 38 , 7405 , 4347 , 12679 , 4564 , 271407 , 895024 , 4573680 , 5181866 , 16463714 , 21837284 , 354701248 , 693751449 , 250954566 , 5804214302
n×2
173970
n×3
260955
n×4
347940
n×5
434925
n÷2
43492.5
n÷3
28995
n÷3
21746.25
n÷5
17397
n2
7566390225
n3
658162453721625
n4
5.7250261036976E+19
n5
4.9799139563013E+24
2 √n
294.93219559756
3 √n
44.307929491474
4 √n
17.173590061416
5 √n
9.7249835092461
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
-86984
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 86985 can be divided by 4 positive divisors.
The sum of these divisors (counting 86985) is 1, the average is 0.25.
Base
System
Value
2
Binary
10101001111001001
3
Ternary
11102022200
4
Quaternary
111033021
5
Quinary
10240420
6
Senary
1510413
8
Octal
251711
10
Decimal
86985
12
Duodecimal
42409
16
Hexadecimal
153c9
20
Vigesimal
ah95
36
Base36
1v49
md5
e29241eed7ddac5092020bc929a08854
sha1
23c92f4cc74bbd55c901c42a18faa8f20f84d194
sha256
37b9a058f8c36b9ca10d039b053e6fc40bd20f03ac76567862767ef6601fd488
sha512
c3fe58554e8e20c3890178db53d371a4185b4739c17fbc9b4985a8b85c3fd4ade49a76cee891e0c5e92d10269db357927ca728dfb2f31c13fd262d58bf48853e
ripemd-160
3a7e564d145c0c2a129a59fc2cc768dfae03899b
Diameter
173970
Circumference
546542.87394502
Area
23770515945.054
Volume
2.7569044393073E+15
Surface area
95082063780.214
Circumference
546542.87394502
Perimeter
347940
Area
7566390225
Diagonal
123015.36672302
Surface area
45398341350
Volume
658162453721625
Space diagonal
150662.43949638
Perimeter
260955
Area
3276343074.8981
Altitude
75331.219748189
Surface area
3276343074.8981
Volume
77565189024823
Height
41005.122241008