86857981 is an odd 8-digits composite number following 86857980
and preceding 86857982 . In scientific notation, it is written as 8.6857981 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 68173056 positive integers (up to 86857981) that are relatively prime to 86857981.
86857981 has 16 divisors, whose sum is 107951616
The reverse of 86857981 is 18975868
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighty-six million eight hundred fifty-seven thousand nine hundred eighty-one
Scientific notation
8.6857981 × 10^7
Engineering notation
8.6857981 × 10^6
Prime Factorization
7 × 17 × 37 × 19727
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
86857981
Product of the distinct prime numbers
The prime factorization of 86857981 is 7 × 17 × 37 × 19727.
Since it has a total of 4 prime factors.
10 , 4 , 75 , 69 , 1000 , 812 , 6074 , 6661 , 45743 , 93483 , 719406 , 643999 , 4963557 , 7177460 , 71043443 , 10492736 , 196951397 , 582715886 , 8906047033 , 4061465735
n×2
173715962
n×3
260573943
n×4
347431924
n×5
434289905
n÷2
43428990.5
n÷3
28952660.333333
n÷3
21714495.25
n÷5
17371596.2
n2
7544308863396361
n3
6.5528343591501E+23
n4
5.6916596226321E+31
n5
4.9436606336105E+39
2 √n
9319.7629261693
3 √n
442.86352244415
4 √n
96.538919230377
5 √n
38.704543184737
1 , 7 , 17 , 37 , 119 , 259 , 629 , 4403 , 19727 , 138089 , 335359 , 729899 , 2347513 , 5109293 , 12408283 , 86857981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-86857980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 86857981 can be divided by 16 positive divisors.
The sum of these divisors (counting 86857981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001011010101100011111101
3
Ternary
20001102211202021
4
Quaternary
11023111203331
5
Quinary
134213423411
6
Senary
12341400141
8
Octal
513254375
10
Decimal
86857981
12
Duodecimal
25109051
16
Hexadecimal
52d58fd
20
Vigesimal
172h4j1
36
Base36
1fpo1p
md5
950b8ffe3835d746fe38e822cda228c9
sha1
dfdc9b68d03008818973f0a43171c723adea4fd7
sha256
2dc1614f3adb22ee151c24b7fad9d2d3e6eda6e1ca27986427ec4df7c2a97d7d
sha512
5009c09740dd32638ac2aef81f591cd6ed77966ebfae76f9f32848ba603f454101417a52d3058b4a5f9348a983fb177d480f9079f28d27671396f13cc1835051
ripemd-160
3db36835185b4b700217dad837fc6d3760dd91cd
Diameter
173715962
Circumference
545744790.03048
Area
2.3701145301658E+16
Volume
2.7448448377196E+24
Surface area
9.4804581206633E+16
Circumference
545744790.03048
Perimeter
347431924
Area
7544308863396361
Diagonal
122835734.73054
Surface area
45265853180378166
Volume
6.5528343591501E+23
Space diagonal
150442436.13485
Perimeter
260573943
Area
3.2667815648487E+15
Altitude
75221218.067426
Surface area
3.2667815648487E+15
Volume
7.7225893522454E+22
Height
40945244.910182