87089988 is an even 8-digits composite number following 87089987
and preceding 87089989 . In scientific notation, it is written as 8.7089988 × 10^7.
The sum of its digits is 57. It has a total of 5 prime factors and 24 positive divisors.
There are 28959040 positive integers (up to 87089988) that are relatively prime to 87089988.
87089988 has 24 divisors, whose sum is 203706720
The reverse of 87089988 is 88998078
Previous prime number is 419
Is Prime? no
Number parity even
Number length 8
Sum of Digits 57
Digital Root 3
Name
eighty-seven million eighty-nine thousand nine hundred eighty-eight
Scientific notation
8.7089988 × 10^7
Engineering notation
8.7089988 × 10^6
Prime Factorization
2 × 2 × 3 × 419 × 17321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
43544994
Product of the distinct prime numbers
The prime factorization of 87089988 is 2 × 2 × 3 × 419 × 17321.
Since it has a total of 5 prime factors.
4 , 5 , 38 , 18 , 169 , 228 , 7228 , 1889 , 93665 , 65415 , 882516 , 339274 , 6854539 , 4438094 , 65438249 , 84126075 , 301461645 , 823866890 , 2394339602 , 3757834319
n×2
174179976
n×3
261269964
n×4
348359952
n×5
435449940
n÷2
43544994
n÷3
29029996
n÷3
21772497
n÷5
17417997.6
n2
7584666009840144
n3
6.6054847178099E+23
n4
5.7527158480824E+31
n5
5.0100395417691E+39
2 √n
9332.2016694883
3 √n
443.25748389876
4 √n
96.60332121355
5 √n
38.725197926814
1 , 2 , 3 , 4 , 6 , 12 , 419 , 838 , 1257 , 1676 , 2514 , 5028 , 17321 , 34642 , 51963 , 69284 , 103926 , 207852 , 7257499 , 14514998 , 21772497 , 29029996 , 43544994 , 87089988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87089987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87089988 can be divided by 24 positive divisors.
The sum of these divisors (counting 87089988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101001100001110001101000100
3
Ternary
20001212122000010
4
Quaternary
11030032031010
5
Quinary
134243334423
6
Senary
12350350220
8
Octal
514161504
10
Decimal
87089988
12
Duodecimal
251bb370
16
Hexadecimal
530e344
20
Vigesimal
17464j8
36
Base36
1fun2c
md5
20a29da33b650700f7f54fbb37d7641a
sha1
f666c78884f3ea68882fb4b24b9be17596dab0ee
sha256
1fabf59e886b34e567514ecba72d19d108fe15eaf5cac82819da2940b95c8c2c
sha512
7de8494cbdb8b36263d5869265c5b5efa5b05d4c155d74d2688af964efb5c5558603a84820d74110cf1acbe3c3bce1701e81fef64504801c2407336ee0da973b
ripemd-160
e68db028d1b0ee751f5f5f335c14280d64e910d0
Diameter
174179976
Circumference
547202533.00405
Area
2.3827931016446E+16
Volume
2.7668989683828E+24
Surface area
9.5311724065784E+16
Circumference
547202533.00405
Perimeter
348359952
Area
7584666009840144
Diagonal
123163842.17651
Surface area
45507996059040864
Volume
6.6054847178099E+23
Space diagonal
150844284.04656
Perimeter
261269964
Area
3.284256721871E+15
Altitude
75422142.023282
Surface area
3.284256721871E+15
Volume
7.7846383949791E+22
Height
41054614.058837