86875981 is an odd 8-digits composite number following 86875980
and preceding 86875982 . In scientific notation, it is written as 8.6875981 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 84073500 positive integers (up to 86875981) that are relatively prime to 86875981.
86875981 has 4 divisors, whose sum is 89678464
The reverse of 86875981 is 18957868
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighty-six million eight hundred seventy-five thousand nine hundred eighty-one
Scientific notation
8.6875981 × 10^7
Engineering notation
8.6875981 × 10^6
Prime Factorization
31 × 2802451
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
86875981
Product of the distinct prime numbers
The prime factorization of 86875981 is 31 × 2802451.
Since it has a total of 2 prime factors.
10 , 2 , 6 , 9 , 39 , 761 , 524 , 698 , 36319 , 8652 , 23533 , 948184 , 5029686 , 4368632 , 19631148 , 50691982 , 313787880 , 981884700 , 1969621762 , 7156243482
n×2
173751962
n×3
260627943
n×4
347503924
n×5
434379905
n÷2
43437990.5
n÷3
28958660.333333
n÷3
21718995.25
n÷5
17375196.2
n2
7547436074712361
n3
6.5569091302543E+23
n4
5.696379130187E+31
n5
4.9487852508292E+39
2 √n
9320.7285659438
3 √n
442.89411258188
4 √n
96.543920398665
5 √n
38.706147237757
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
-86875980
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 86875981 can be divided by 4 positive divisors.
The sum of these divisors (counting 86875981) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001011011001111101001101
3
Ternary
20001110202102221
4
Quaternary
11023121331031
5
Quinary
134220012411
6
Senary
12342015341
8
Octal
513317515
10
Decimal
86875981
12
Duodecimal
25117551
16
Hexadecimal
52d9f4d
20
Vigesimal
172j9j1
36
Base36
1fq1xp
md5
e873998cfd7eff6ab1ce962f7baa42fd
sha1
ad184e68f953d84e73c5b40508ad25db25af084a
sha256
5b61f32d3fa24ff9317048fb4f2b0cd680abad682325a04d526083dcab78e79e
sha512
bf23762d21fb1586e32742428529f0d7e3c2283443f6eadba3fdd3bc26d703248402a6be98e982308af681e62d57889e220959ffda1d65857776acd47a34c43d
ripemd-160
a0308225acbd651026012d0b99995153d77a418d
Diameter
173751962
Circumference
545857887.36601
Area
2.3710969725755E+16
Volume
2.7465516738483E+24
Surface area
9.484387890302E+16
Circumference
545857887.36601
Perimeter
347503924
Area
7547436074712361
Diagonal
122861190.57467
Surface area
45284616448274166
Volume
6.5569091302543E+23
Space diagonal
150473613.04939
Perimeter
260627943
Area
3.26813568707E+15
Altitude
75236806.524694
Surface area
3.26813568707E+15
Volume
7.7273915160446E+22
Height
40953730.191556