87493990 is an even 8-digits composite number following 87493989
and preceding 87493991 . In scientific notation, it is written as 8.7493990 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 34337056 positive integers (up to 87493990) that are relatively prime to 87493990.
87493990 has 16 divisors, whose sum is 160461648
The reverse of 87493990 is 09939478
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty-seven million four hundred ninety-three thousand nine hundred ninety
Scientific notation
8.7493990 × 10^7
Engineering notation
8.7493990 × 10^6
Prime Factorization
2 × 5 × 53 × 165083
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87493990
Product of the distinct prime numbers
The prime factorization of 87493990 is 2 × 5 × 53 × 165083.
Since it has a total of 4 prime factors.
9 , 8 , 55 , 35 , 820 , 713 , 3959 , 5472 , 8943 , 68106 , 699875 , 99650 , 9394965 , 7788169 , 91802573 , 99860783 , 289945924 , 603475987 , 2819939637 , 2971852591
n×2
174987980
n×3
262481970
n×4
349975960
n×5
437469950
n÷2
43746995
n÷3
29164663.333333
n÷3
21873497.5
n÷5
17498798
n2
7655198286120100
n3
6.6978384229381E+23
n4
5.8602060799816E+31
n5
5.1273281215985E+39
2 √n
9353.8222134056
3 √n
443.94183625181
4 √n
96.715160204621
5 √n
38.761059931047
1 , 2 , 5 , 10 , 53 , 106 , 265 , 530 , 165083 , 330166 , 825415 , 1650830 , 8749399 , 17498798 , 43746995 , 87493990
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
-87493989
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 87493990 can be divided by 16 positive divisors.
The sum of these divisors (counting 87493990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001101110000110101100110
3
Ternary
20002122011012011
4
Quaternary
11031300311212
5
Quinary
134344301430
6
Senary
12403144434
8
Octal
515606546
10
Decimal
87493990
12
Duodecimal
2537511a
16
Hexadecimal
5370d66
20
Vigesimal
176geja
36
Base36
1g3asm
md5
868ef03176b54eabd80cdd89d0231f8e
sha1
608403826a9f76053857852da3c447dbc360bbdd
sha256
ecde8e7309a081039b5a3be052bde2fee6e4c46b37c8783a7c8c8582fcc27bfd
sha512
13cab5389eca9b6d2b84c73e2e0400492b9dc6a17b47d8050046ff671d82d0f660d14bd8ac9c9aafbe5c89d3d6ab207c22aaf74bb17f1bbb980bef0b815b80e7
ripemd-160
43652784f884910fd626037866446c0d05373ad5
Diameter
174987980
Circumference
549740952.43452
Area
2.4049514697448E+16
Volume
2.8055839979245E+24
Surface area
9.6198058789792E+16
Circumference
549740952.43452
Perimeter
349975960
Area
7655198286120100
Diagonal
123735187.28414
Surface area
45931189716720600
Volume
6.6978384229381E+23
Space diagonal
151544036.03692
Perimeter
262481970
Area
3.3147980933936E+15
Altitude
75772018.018462
Surface area
3.3147980933936E+15
Volume
7.8934782802522E+22
Height
41245062.428045