87088021 is an odd 8-digits composite number following 87088020
and preceding 87088022 . In scientific notation, it is written as 8.7088021 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 84278700 positive integers (up to 87088021) that are relatively prime to 87088021.
87088021 has 4 divisors, whose sum is 89897344
The reverse of 87088021 is 12088078
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-seven million eighty-eight thousand twenty-one
Scientific notation
8.7088021 × 10^7
Engineering notation
8.7088021 × 10^6
Prime Factorization
31 × 2809291
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87088021
Product of the distinct prime numbers
The prime factorization of 87088021 is 31 × 2809291.
Since it has a total of 2 prime factors.
8 , 6 , 18 , 44 , 362 , 600 , 6030 , 7505 , 76427 , 54071 , 737627 , 523136 , 5227236 , 9914057 , 2519575 , 20484262 , 786976092 , 337348744 , 1718751509 , 2912188673
n×2
174176042
n×3
261264063
n×4
348352084
n×5
435440105
n÷2
43544010.5
n÷3
29029340.333333
n÷3
21772005.25
n÷5
17417604.2
n2
7584323401696441
n3
6.6050371567773E+23
n4
5.752196146152E+31
n5
5.0094737877221E+39
2 √n
9332.096281115
3 √n
443.25414676034
4 √n
96.602775742289
5 √n
38.725022997056
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
-87088020
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 87088021 can be divided by 4 positive divisors.
The sum of these divisors (counting 87088021) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100001101101110010101
3
Ternary
20001212112022021
4
Quaternary
11030031232111
5
Quinary
134243304041
6
Senary
12350333141
8
Octal
514155625
10
Decimal
87088021
12
Duodecimal
251ba1b1
16
Hexadecimal
530db95
20
Vigesimal
1746011
36
Base36
1fuljp
md5
109ef6c9a6f26c0d4870e0f978601795
sha1
43ddf82b89950aa799672d4777207d77d28d29c9
sha256
fd6158fcdaf4db36f4d1ad29dc1d155e99b20d19c3ece393c372065218ef4fef
sha512
57cdb925e2de4a2894d277be79604df70d526c414b10162c917b44d98077ec717e97e57ccea5f5be8ed9f7565f8229de940b3f1a3eab6356f34bfa8ded0f95dd
ripemd-160
80d12a22fbb86ae2dc279b4d3546e0e9743de8b3
Diameter
174176042
Circumference
547190173.97855
Area
2.3826854681219E+16
Volume
2.7667114944559E+24
Surface area
9.5307418724875E+16
Circumference
547190173.97855
Perimeter
348352084
Area
7584323401696441
Diagonal
123161060.41843
Surface area
45505940410178646
Volume
6.6050371567773E+23
Space diagonal
150840877.10263
Perimeter
261264063
Area
3.284108368193E+15
Altitude
75420438.551313
Surface area
3.284108368193E+15
Volume
7.7841109392439E+22
Height
41053686.806144