87989427 is an odd 8-digits composite number following 87989426
and preceding 87989428 . In scientific notation, it is written as 8.7989427 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 6 positive divisors.
There are 58659612 positive integers (up to 87989427) that are relatively prime to 87989427.
87989427 has 6 divisors, whose sum is 127095852
The reverse of 87989427 is 72498978
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
eighty-seven million nine hundred eighty-nine thousand four hundred twenty-seven
Scientific notation
8.7989427 × 10^7
Engineering notation
8.7989427 × 10^6
Prime Factorization
3 × 3 × 9776603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
29329809
Product of the distinct prime numbers
The prime factorization of 87989427 is 3 × 3 × 9776603.
Since it has a total of 3 prime factors.
6 , 9 , 64 , 32 , 145 , 532 , 8469 , 7522 , 74913 , 70859 , 350764 , 275046 , 4866882 , 1896615 , 53393896 , 78044046 , 285044366 , 550998213 , 4971479878 , 3920360822
n×2
175978854
n×3
263968281
n×4
351957708
n×5
439947135
n÷2
43994713.5
n÷3
29329809
n÷3
21997356.75
n÷5
17597885.4
n2
7742139263788329
n3
6.8122639757494E+23
n4
5.9940720379893E+31
n5
5.274149640194E+39
2 √n
9380.2679599252
3 √n
444.77820365683
4 √n
96.851783462801
5 √n
38.804857942655
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87989426
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87989427 can be divided by 6 positive divisors.
The sum of these divisors (counting 87989427) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101001111101001110010110011
3
Ternary
20010120022210200
4
Quaternary
11033221302303
5
Quinary
140011130202
6
Senary
12421530243
8
Octal
517516263
10
Decimal
87989427
12
Duodecimal
25573983
16
Hexadecimal
53e9cb3
20
Vigesimal
179idb7
36
Base36
1gdx2r
md5
258c3a7c6e3f5d990512001457170de3
sha1
07d9319f06ee523529cdb3899e8cb1681e975d5d
sha256
cff98d54a57b05ed09a13693ed226cc665f21d50ede0c95e99c12197b6c7e6d9
sha512
656a04d1f4ae93bc6ac1afe4d343ec639d3f7c1499e6fbbcf42237c01af3a68bcdfb3e70fd2d402e24136ed0dbebd2e5dfcb2b0f9bdc3b98b38b31f2a72f843d
ripemd-160
13ea3cc0699a29d11cfa129b5d4b8ecc325e225c
Diameter
175978854
Circumference
552853874.91355
Area
2.4322647834187E+16
Volume
2.8535144614038E+24
Surface area
9.7290591336746E+16
Circumference
552853874.91355
Perimeter
351957708
Area
7742139263788329
Diagonal
124435841.00884
Surface area
46452835582729974
Volume
6.8122639757494E+23
Space diagonal
152402158.09287
Perimeter
263968281
Area
3.3524446410388E+15
Altitude
76201079.046436
Surface area
3.3524446410388E+15
Volume
8.0283300874754E+22
Height
41478613.669612