87989726 is an even 8-digits composite number following 87989725
and preceding 87989727 . In scientific notation, it is written as 8.7989726 × 10^7.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 39488280 positive integers (up to 87989726) that are relatively prime to 87989726.
87989726 has 16 divisors, whose sum is 145808640
The reverse of 87989726 is 62798978
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
eighty-seven million nine hundred eighty-nine thousand seven hundred twenty-six
Scientific notation
8.7989726 × 10^7
Engineering notation
8.7989726 × 10^6
Prime Factorization
2 × 11 × 79 × 50627
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87989726
Product of the distinct prime numbers
The prime factorization of 87989726 is 2 × 11 × 79 × 50627.
Since it has a total of 4 prime factors.
4 , 1 , 4 , 4 , 200 , 171 , 2541 , 7210 , 61497 , 52018 , 356596 , 688097 , 5551219 , 2667770 , 44417685 , 35018384 , 136150801 , 502366433 , 6969605464 , 9367903829
n×2
175979452
n×3
263969178
n×4
351958904
n×5
439948630
n÷2
43994863
n÷3
29329908.666667
n÷3
21997431.5
n÷5
17597945.2
n2
7742191881555076
n3
6.8123334229746E+23
n4
5.9941535130817E+31
n5
5.27423925218E+39
2 √n
9380.2838976227
3 √n
444.7787074618
4 √n
96.851865741568
5 √n
38.804884315453
1 , 2 , 11 , 22 , 79 , 158 , 869 , 1738 , 50627 , 101254 , 556897 , 1113794 , 3999533 , 7999066 , 43994863 , 87989726
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
-87989725
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 87989726 can be divided by 16 positive divisors.
The sum of these divisors (counting 87989726) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001111101001110111011110
3
Ternary
20010120100012202
4
Quaternary
11033221313132
5
Quinary
140011132401
6
Senary
12421531502
8
Octal
517516736
10
Decimal
87989726
12
Duodecimal
25573b92
16
Hexadecimal
53e9dde
20
Vigesimal
179ie66
36
Base36
1gdxb2
md5
48b82c56ffdf6935921141c4893b6daa
sha1
3e3f5d6f52495de3b257f8a32e0b9916448ba368
sha256
df897b063f7fd564463215f21ede249a74880bc3a861e09dba1a845df82ec240
sha512
d8d7f0d1d345a4c742cc65053e3f410bdab90c5604cc1f4f0d07e6d1b6bb7dc0f06b813d3eae77062349eab2583ceffba5d652e5ef6179afdac300a720c4bfaf
ripemd-160
0ccbff713343ffbf1eccd670f8671ded57bf5085
Diameter
175979452
Circumference
552855753.58596
Area
2.4322813137776E+16
Volume
2.8535435513895E+24
Surface area
9.7291252551104E+16
Circumference
552855753.58596
Perimeter
351958904
Area
7742191881555076
Diagonal
124436263.85869
Surface area
46453151289330456
Volume
6.8123334229746E+23
Space diagonal
152402675.97606
Perimeter
263969178
Area
3.3524674252002E+15
Altitude
76201337.988032
Surface area
3.3524674252002E+15
Volume
8.0284119318151E+22
Height
41478754.619564