86981 is an odd 5-digits prime number following 86980
and preceding 86982 . In scientific notation, it is written as 8.6981 × 10^4.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 86980 positive integers (up to 86981) that are relatively prime to 86981.
86981 has 2 divisors, whose sum is 86982
The reverse of 86981 is 18968
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 32
Digital Root 5
Name
eighty-six thousand nine hundred eighty-one
Scientific notation
8.6981 × 10^4
Engineering notation
8.6981 × 10^3
Prime Factorization
86981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
86981
Product of the distinct prime numbers
The prime factorization of 86981 is 86981.
Since it has a total of 1 prime factors.
9 , 3 , 98 , 33 , 571 , 498 , 3235 , 6961 , 57683 , 53351 , 950528 , 745420 , 9576894 , 2540984 , 50376217 , 22634462 , 703977787 , 189113102 , 9297214801 , 1395994360
n×2
173962
n×3
260943
n×4
347924
n×5
434905
n÷2
43490.5
n÷3
28993.666666667
n÷3
21745.25
n÷5
17396.2
n2
7565694361
n3
658071661214141
n4
5.7239731164067E+19
n5
4.9787690563817E+24
2 √n
294.92541429995
3 √n
44.307250315238
4 √n
17.173392626384
5 √n
9.7248940670444
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
86982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
43491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
294.92710963898
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999977006737
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 86981 can be divided by 2 positive divisors.
The sum of these divisors (counting 86981) is 86982, the average is 43491.
Base
System
Value
2
Binary
10101001111000101
3
Ternary
11102022112
4
Quaternary
111033011
5
Quinary
10240411
6
Senary
1510405
8
Octal
251705
10
Decimal
86981
12
Duodecimal
42405
16
Hexadecimal
153c5
20
Vigesimal
ah91
36
Base36
1v45
md5
b4c311919a9d216efb935364c3407df0
sha1
25fc90b194803108774f32f37f09390958903e53
sha256
33f1d93e9ad7eecde1a4fa650cb48c13cdb227c228b6a017a68ecd07df3cb08a
sha512
a25c7d6309db449e7a321e7324e931fea78ba325a39f38d3c5d93000daf19a5faf7e907914760df289f8283b9ca03be3c6cca565dd36e7975db969aaa0b115a2
ripemd-160
0564470f741e2186c73f0f498c5d29d97642c91a
Diameter
173962
Circumference
546517.74120379
Area
23768329823.823
Volume
2.7565241285413E+15
Surface area
95073319295.293
Circumference
546517.74120379
Perimeter
347924
Area
7565694361
Diagonal
123009.70986877
Surface area
45394166166
Volume
658071661214141
Space diagonal
150655.51129315
Perimeter
260943
Area
3276041756.9473
Altitude
75327.755646574
Surface area
3276041756.9473
Volume
77554489025203
Height
41003.236622925