87989744 is an even 8-digits composite number following 87989743
and preceding 87989745 . In scientific notation, it is written as 8.7989744 × 10^7.
The sum of its digits is 56. It has a total of 6 prime factors and 20 positive divisors.
There are 43946880 positive integers (up to 87989744) that are relatively prime to 87989744.
87989744 has 20 divisors, whose sum is 170666160
The reverse of 87989744 is 44798978
Previous prime number is 4871
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 seven hundred forty-four
Scientific notation
8.7989744 × 10^7
Engineering notation
8.7989744 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 4871 × 1129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10998718
Product of the distinct prime numbers
The prime factorization of 87989744 is 2 × 2 × 2 × 2 × 4871 × 1129.
Since it has a total of 6 prime factors.
3 , 10 , 79 , 71 , 9 , 466 , 9872 , 2773 , 62311 , 32990 , 329108 , 151207 , 7517398 , 8109109 , 140279 , 65047405 , 129085516 , 952844944 , 5582966170 , 4545895496
n×2
175979488
n×3
263969232
n×4
351958976
n×5
439948720
n÷2
43994872
n÷3
29329914.666667
n÷3
21997436
n÷5
17597948.8
n2
7742195049185536
n3
6.812337603759E+23
n4
5.9941584179633E+31
n5
5.2742446469204E+39
2 √n
9380.2848570819
3 √n
444.77873779116
4 √n
96.851870694798
5 √n
38.80488590311
1 , 2 , 4 , 8 , 16 , 1129 , 2258 , 4516 , 4871 , 9032 , 9742 , 18064 , 19484 , 38968 , 77936 , 5499359 , 10998718 , 21997436 , 43994872 , 87989744
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
-87989743
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 87989744 can be divided by 20 positive divisors.
The sum of these divisors (counting 87989744) is 1, the average is 0.05.
Base
System
Value
2
Binary
101001111101001110111110000
3
Ternary
20010120100020102
4
Quaternary
11033221313300
5
Quinary
140011132434
6
Senary
12421531532
8
Octal
517516760
10
Decimal
87989744
12
Duodecimal
25573ba8
16
Hexadecimal
53e9df0
20
Vigesimal
179ie74
36
Base36
1gdxbk
md5
d97fa4be4a8b7a5e3bff1b98a28038ce
sha1
25d7a480216b30934b40350b828616b9cb9230a8
sha256
cdacc402a8765ba35c878c4cea16b8998ef99e3c8b46cfed72a8bfbe2c8dcc38
sha512
44c88a6a9df0b652c3b0f0c5d5427f63ac1e673b808bcc8ce3e4c28f485ea9eac9770bb1e7943135fa1ceda826efaec56bad08a18440a0797ac5a00d82431e22
ripemd-160
8763c7f427a743aa1a6759470a0f9f7d834c8d19
Diameter
175979488
Circumference
552855866.68329
Area
2.4322823089181E+16
Volume
2.8535453026324E+24
Surface area
9.7291292356722E+16
Circumference
552855866.68329
Perimeter
351958976
Area
7742195049185536
Diagonal
124436289.31454
Surface area
46453170295113216
Volume
6.812337603759E+23
Space diagonal
152402707.15298
Perimeter
263969232
Area
3.3524687968244E+15
Altitude
76201353.576489
Surface area
3.3524687968244E+15
Volume
8.0284168589169E+22
Height
41478763.104846