86943981 is an odd 8-digits composite number following 86943980
and preceding 86943982 . In scientific notation, it is written as 8.6943981 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 54911952 positive integers (up to 86943981) that are relatively prime to 86943981.
86943981 has 8 divisors, whose sum is 122026720
The reverse of 86943981 is 18934968
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-six million nine hundred forty-three thousand nine hundred eighty-one
Scientific notation
8.6943981 × 10^7
Engineering notation
8.6943981 × 10^6
Prime Factorization
3 × 19 × 1525333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
86943981
Product of the distinct prime numbers
The prime factorization of 86943981 is 3 × 19 × 1525333.
Since it has a total of 3 prime factors.
5 , 6 , 26 , 71 , 389 , 414 , 4120 , 8762 , 33250 , 74222 , 4147 , 69424 , 5657186 , 2158692 , 10298955 , 63468926 , 199830621 , 721277644 , 9781812087 , 9712823820
n×2
173887962
n×3
260831943
n×4
347775924
n×5
434719905
n÷2
43471990.5
n÷3
28981327
n÷3
21735995.25
n÷5
17388796.2
n2
7559255832128361
n3
6.5723179544271E+23
n4
5.7142348735567E+31
n5
4.9681832827605E+39
2 √n
9324.375635934
3 √n
443.00963720676
4 √n
96.562806690433
5 √n
38.712204595177
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
-86943980
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 86943981 can be divided by 8 positive divisors.
The sum of these divisors (counting 86943981) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001011101010100011101101
3
Ternary
20001121012201110
4
Quaternary
11023222203231
5
Quinary
134224201411
6
Senary
12343302233
8
Octal
513524355
10
Decimal
86943981
12
Duodecimal
2514a979
16
Hexadecimal
52ea8ed
20
Vigesimal
1737jj1
36
Base36
1friel
md5
fbacb772d5cb366d4ae8efb19ce5274a
sha1
8c9d69175b1af4dfec098fdc6770f1d9f043fced
sha256
e9af89961da17b27a47f8fad1205d72f23d4e27f9fb30edcb5ac9e6f908dcfb2
sha512
202d2fe85204b6840005979a619dc6289a9a5bb655bb0b09da0adc00ee9b07a48ded7f1af9a27f316254348295e2d6bfc7c289cb046166da344e3ad2f79ab8a2
ripemd-160
bb3cecf83427ca43ba3f3b4d42aa29cd68acf9df
Diameter
173887962
Circumference
546285143.9669
Area
2.374810258882E+16
Volume
2.7530061070246E+24
Surface area
9.4992410355281E+16
Circumference
546285143.9669
Perimeter
347775924
Area
7559255832128361
Diagonal
122957357.09691
Surface area
45355534992770166
Volume
6.5723179544271E+23
Space diagonal
150591392.5043
Perimeter
260831943
Area
3.2732537921644E+15
Altitude
75295696.252152
Surface area
3.2732537921644E+15
Volume
7.7455509894825E+22
Height
40985785.69897