87091749 is an odd 8-digits composite number following 87091748
and preceding 87091750 . In scientific notation, it is written as 8.7091749 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 56644800 positive integers (up to 87091749) that are relatively prime to 87091749.
87091749 has 12 divisors, whose sum is 128868012
The reverse of 87091749 is 94719078
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-seven million ninety-one thousand seven hundred forty-nine
Scientific notation
8.7091749 × 10^7
Engineering notation
8.7091749 × 10^6
Prime Factorization
3 × 3 × 41 × 236021
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
29030583
Product of the distinct prime numbers
The prime factorization of 87091749 is 3 × 3 × 41 × 236021.
Since it has a total of 4 prime factors.
9 , 1 , 21 , 9 , 487 , 360 , 6577 , 2387 , 87855 , 15447 , 875666 , 901872 , 4831194 , 1472411 , 2597001 , 29008618 , 156489373 , 90909606 , 8027902752 , 3693049798
n×2
174183498
n×3
261275247
n×4
348366996
n×5
435458745
n÷2
43545874.5
n÷3
29030583
n÷3
21772937.25
n÷5
17418349.8
n2
7584972743879001
n3
6.6058854238175E+23
n4
5.7531811525387E+31
n5
5.0105460888843E+39
2 √n
9332.2960197371
3 √n
443.26047150268
4 √n
96.603809550851
5 √n
38.725354533844
1 , 3 , 9 , 41 , 123 , 369 , 236021 , 708063 , 2124189 , 9676861 , 29030583 , 87091749
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87091748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87091749 can be divided by 12 positive divisors.
The sum of these divisors (counting 87091749) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001100001110101000100101
3
Ternary
20001212201102100
4
Quaternary
11030032220211
5
Quinary
134243413444
6
Senary
12350402313
8
Octal
514165045
10
Decimal
87091749
12
Duodecimal
25200399
16
Hexadecimal
530ea25
20
Vigesimal
1746979
36
Base36
1fuof9
md5
87e303830f8ad8f398f4a9a62143a244
sha1
5583893761987cf20d1bc012044afb687c14e305
sha256
8965d4c701ff0959531cb4788616264d6d0e2cd170e119618c3773c4d3935e28
sha512
777c3780f8dbfab1d7d901cc5c3826f3da602aa255bc8e68ff863c13515350479e0d70afaab87e92a0df79efad8d823bdf2d51fc3353a2f18b00058ab71aa550
ripemd-160
89358c58d2eaedee7b1d1fd9c841f8f15f392b44
Diameter
174183498
Circumference
547213597.69337
Area
2.3828894649849E+16
Volume
2.7670668157228E+24
Surface area
9.5315578599396E+16
Circumference
547213597.69337
Perimeter
348366996
Area
7584972743879001
Diagonal
123166332.60659
Surface area
45509836463274006
Volume
6.6058854238175E+23
Space diagonal
150847334.18804
Perimeter
261275247
Area
3.2843895416059E+15
Altitude
75423667.094018
Surface area
3.2843895416059E+15
Volume
7.7851106315379E+22
Height
41055444.202198