87091472 is an even 8-digits composite number following 87091471
and preceding 87091473 . In scientific notation, it is written as 8.7091472 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 40195968 positive integers (up to 87091472) that are relatively prime to 87091472.
87091472 has 20 divisors, whose sum is 181720140
The reverse of 87091472 is 27419078
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-seven million ninety-one thousand four hundred seventy-two
Scientific notation
8.7091472 × 10^7
Engineering notation
8.7091472 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 13 × 418709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10886434
Product of the distinct prime numbers
The prime factorization of 87091472 is 2 × 2 × 2 × 2 × 13 × 418709.
Since it has a total of 6 prime factors.
5 , 2 , 12 , 15 , 411 , 77 , 6137 , 2749 , 11645 , 83636 , 463191 , 580425 , 1214583 , 2923558 , 64020305 , 31684129 , 41334317 , 915719869 , 4581435320 , 4167122921
n×2
174182944
n×3
261274416
n×4
348365888
n×5
435457360
n÷2
43545736
n÷3
29030490.666667
n÷3
21772868
n÷5
17418294.4
n2
7584924495126784
n3
6.6058223928945E+23
n4
5.7531079596774E+31
n5
5.0104664078322E+39
2 √n
9332.2811787901
3 √n
443.26000156424
4 √n
96.603732737354
5 √n
38.725329900197
1 , 2 , 4 , 8 , 13 , 16 , 26 , 52 , 104 , 208 , 418709 , 837418 , 1674836 , 3349672 , 5443217 , 6699344 , 10886434 , 21772868 , 43545736 , 87091472
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87091471
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87091472 can be divided by 20 positive divisors.
The sum of these divisors (counting 87091472) is 1, the average is 0.05.
Base
System
Value
2
Binary
101001100001110100100010000
3
Ternary
20001212201001002
4
Quaternary
11030032210100
5
Quinary
134243411342
6
Senary
12350401132
8
Octal
514164420
10
Decimal
87091472
12
Duodecimal
252001a8
16
Hexadecimal
530e910
20
Vigesimal
17468dc
36
Base36
1fuo7k
md5
44c1d960a274cf5bbc041c499073ce37
sha1
1d60060a519335aebc948b47219656bc1df356ec
sha256
a11f343b4406c849033d1a12321b200883c72a3950e4be33e9693a6bb676a979
sha512
d50864b91408dab663a62c84bba4e9319199d5834643266b9164e4d4e6234be271d7fe0ec4b0542996b8aabecadf50b0b35b7d9cb468eef0088954d1dea9026b
ripemd-160
7afdc0878c9e2de8f63d0dd9fde85568ee1ba812
Diameter
174182944
Circumference
547211857.25104
Area
2.3828743071924E+16
Volume
2.7670404133915E+24
Surface area
9.5314972287694E+16
Circumference
547211857.25104
Perimeter
348365888
Area
7584924495126784
Diagonal
123165940.86944
Surface area
45509546970760704
Volume
6.6058223928945E+23
Space diagonal
150846854.40996
Perimeter
261274416
Area
3.2843686492833E+15
Altitude
75423427.204981
Surface area
3.2843686492833E+15
Volume
7.7850363488827E+22
Height
41055313.623146