87989690 is an even 8-digits composite number following 87989689
and preceding 87989691 . In scientific notation, it is written as 8.7989690 × 10^7.
The sum of its digits is 56. It has a total of 5 prime factors and 32 positive divisors.
There are 34178560 positive integers (up to 87989690) that are relatively prime to 87989690.
87989690 has 32 divisors, whose sum is 162996624
The reverse of 87989690 is 09698978
Previous prime number is 41
Is Prime? no Number parity even Number length 8 Sum of Digits 56 Digital Root 2
Name
eighty-seven million nine hundred eighty-nine thousand six hundred ninety
Scientific notation
8.7989690 × 10^7
Engineering notation
8.7989690 × 10^6
Prime Factorization
2 × 5 × 317 × 41 × 677
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
87989690 Product of the distinct prime numbers
The prime factorization of 87989690 is 2 × 5 × 317 × 41 × 677.
Since it has a total of 5 prime factors.
5 , 2 , 84 , 46 , 336 , 593 , 753 , 9095 , 81384 , 90064 , 33457 , 158276 , 7286516 , 8861048 , 75602210 , 3825041 , 164968487 , 221921935 , 6463528991 , 8028333497
n×2
175979380
n×3
263969070
n×4
351958760
n×5
439948450
n÷2
43994845
n÷3
29329896.666667
n÷3
21997422.5
n÷5
17597938
n2
7742185546296100
n3
6.8123250614107E+23
n4
5.9941437033276E+31
n5
5.2742284627125E+39
2 √n9380.2819787041
3 √n444.77864680307
4 √n96.851855835105
5 √n38.804881140136
1 , 2 , 5 , 10 , 41 , 82 , 205 , 317 , 410 , 634 , 677 , 1354 , 1585 , 3170 , 3385 , 6770 , 12997 , 25994 , 27757 , 55514 , 64985 , 129970 , 138785 , 214609 , 277570 , 429218 , 1073045 , 2146090 , 8798969 , 17597938 , 43994845 , 87989690
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-87989689 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87989690 can be divided by 32 positive divisors.
The sum of these divisors (counting 87989690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001111101001110110111010
3
Ternary
20010120100011102
4
Quaternary
11033221312322
5
Quinary
140011132230
6
Senary
12421531402
8
Octal
517516672
10
Decimal
87989690
12
Duodecimal
25573b62
16
Hexadecimal
53e9dba
20
Vigesimal
179ie4a
36
Base36
1gdxa2
md5
107196fa83b86e9db55be440a159d9df
sha1
8fe78adf9d8a69e3d6ad59be4515589e7c44396a
sha256
2a31e0033b55027a478c72810ac3be96e666d643d3c8f9020f962fb7fb8d3914
sha512
8aad31daee73a27ff7561897ce93bfe7b249de69a6f301e34e4f323405109d46b684707327a80dc99040070c7f0903e3ef30d59eb805ed01b66f8fa5f63604de
ripemd-160
8fc4d46b9194e800aefe3ce84b2218bda056a754
Diameter
175979380
Circumference
552855527.39129
Area
2.4322793234973E+16
Volume
2.8535400489058E+24
Surface area
9.7291172939892E+16
Circumference
552855527.39129
Perimeter
351958760
Area
7742185546296100
Diagonal
124436212.947
Surface area
46453113277776600
Volume
6.8123250614107E+23
Space diagonal
152402613.62224
Perimeter
263969070
Area
3.3524646819526E+15
Altitude
76201306.811118
Surface area
3.3524646819526E+15
Volume
8.0284020776177E+22
Height
41478737.649001