87989725 is an odd 8-digits composite number following 87989724
and preceding 87989726 . In scientific notation, it is written as 8.7989725 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 70391760 positive integers (up to 87989725) that are relatively prime to 87989725.
87989725 has 4 divisors, whose sum is 91509340
The reverse of 87989725 is 52798978
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighty-seven million nine hundred eighty-nine thousand seven hundred twenty-five
Scientific notation
8.7989725 × 10^7
Engineering notation
8.7989725 × 10^6
Prime Factorization
25 × 3519589
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87989725
Product of the distinct prime numbers
The prime factorization of 87989725 is 25 × 3519589.
Since it has a total of 2 prime factors.
2 , 10 , 4 , 43 , 261 , 975 , 3700 , 5283 , 32119 , 18522 , 626651 , 766014 , 3155228 , 1259731 , 51171871 , 12394310 , 446786684 , 965182081 , 4930462882 , 3854467823
n×2
175979450
n×3
263969175
n×4
351958900
n×5
439948625
n÷2
43994862.5
n÷3
29329908.333333
n÷3
21997431.25
n÷5
17597945
n2
7742191705575625
n3
6.8123331907088E+23
n4
5.9941532405884E+31
n5
5.2742389524723E+39
2 √n
9380.2838443194
3 √n
444.77870577684
4 √n
96.851865466389
5 √n
38.80488422725
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
-87989724
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 87989725 can be divided by 4 positive divisors.
The sum of these divisors (counting 87989725) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001111101001110111011101
3
Ternary
20010120100012201
4
Quaternary
11033221313131
5
Quinary
140011132400
6
Senary
12421531501
8
Octal
517516735
10
Decimal
87989725
12
Duodecimal
25573b91
16
Hexadecimal
53e9ddd
20
Vigesimal
179ie65
36
Base36
1gdxb1
md5
9ddba6502d20b9ce1698f586e6e469dd
sha1
ff60cfc6375bff89661b7562f1dda99a6d92679f
sha256
95e5320377ce781e6d255bef9485a8feffa49e422c2fd882dcc2c7c993dd1d42
sha512
76ea79cdca356a397fe8460c8d4f835b3785dbfb638dc32ccd64d37640468aa7f04ba111e599e591999511d7089cba3b556c3290fe666e3fa3eaa7dfa397a2d0
ripemd-160
b206b7a7525f9551b43b78dc1829d3e50ad3fbc6
Diameter
175979450
Circumference
552855747.30277
Area
2.432281258492E+16
Volume
2.8535434540982E+24
Surface area
9.7291250339681E+16
Circumference
552855747.30277
Perimeter
351958900
Area
7742191705575625
Diagonal
124436262.44448
Surface area
46453150233453750
Volume
6.8123331907088E+23
Space diagonal
152402674.24401
Perimeter
263969175
Area
3.3524673489988E+15
Altitude
76201337.122007
Surface area
3.3524673489988E+15
Volume
8.0284116580873E+22
Height
41478754.14816