86971978 is an even 8-digits composite number following 86971977
and preceding 86971979 . In scientific notation, it is written as 8.6971978 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 42310656 positive integers (up to 86971978) that are relatively prime to 86971978.
86971978 has 8 divisors, whose sum is 133983972
The reverse of 86971978 is 87917968
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighty-six million nine hundred seventy-one thousand nine hundred seventy-eight
Scientific notation
8.6971978 × 10^7
Engineering notation
8.6971978 × 10^6
Prime Factorization
2 × 37 × 1175297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
86971978
Product of the distinct prime numbers
The prime factorization of 86971978 is 2 × 37 × 1175297.
Since it has a total of 3 prime factors.
9 , 4 , 94 , 27 , 16 , 994 , 6060 , 3457 , 15728 , 11318 , 266779 , 457540 , 6802740 , 7573333 , 35753986 , 90988167 , 177776834 , 108729248 , 9013638735 , 8133377178
n×2
173943956
n×3
260915934
n×4
347887912
n×5
434859890
n÷2
43485989
n÷3
28990659.333333
n÷3
21742994.5
n÷5
17394395.6
n2
7564124957232484
n3
6.5786690936967E+23
n4
5.7215986368627E+31
n5
4.9761875077006E+39
2 √n
9325.8767952402
3 √n
443.05718356787
4 √n
96.570579346094
5 √n
38.714697432529
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-86971977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 86971978 can be divided by 8 positive divisors.
The sum of these divisors (counting 86971978) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001011110001011001001010
3
Ternary
20001122122010101
4
Quaternary
11023301121022
5
Quinary
134231100403
6
Senary
12344040014
8
Octal
513613112
10
Decimal
86971978
12
Duodecimal
2516300a
16
Hexadecimal
52f164a
20
Vigesimal
173b9ii
36
Base36
1fs40a
md5
63137935d43d3d11fab595d9178a2bc9
sha1
d88854925d458092f0787b6a73a58e313708c82d
sha256
44c46aca181c091c25c9452c89c34e895822278a4772ef6db55e1ac0851c0fe3
sha512
ef63fc456ba20d1d1a1e390f39fa21f0c3d18397a4823be0d76f24e1d7b4fcbd28d9505d65a5aaf62b141f5bb7c110d063b7e2de0e0b879cac057884fde0ec46
ripemd-160
5d042a719064a604941ced126b10a7c9b45f6bbf
Diameter
173943956
Circumference
546461054.30595
Area
2.3763399396477E+16
Volume
2.7556664660208E+24
Surface area
9.5053597585907E+16
Circumference
546461054.30595
Perimeter
347887912
Area
7564124957232484
Diagonal
122996950.83401
Surface area
45384749743394904
Volume
6.5786690936967E+23
Space diagonal
150639884.73076
Perimeter
260915934
Area
3.2753621851816E+15
Altitude
75319942.365381
Surface area
3.2753621851816E+15
Volume
7.7530358788922E+22
Height
40998983.611338