87129969 is an odd 8-digits composite number following 87129968
and preceding 87129970 . In scientific notation, it is written as 8.7129969 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 57351216 positive integers (up to 87129969) that are relatively prime to 87129969.
87129969 has 8 divisors, whose sum is 117644160
The reverse of 87129969 is 96992178
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighty-seven million one hundred twenty-nine thousand nine hundred sixty-nine
Scientific notation
8.7129969 × 10^7
Engineering notation
8.7129969 × 10^6
Prime Factorization
3 × 79 × 367637
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87129969
Product of the distinct prime numbers
The prime factorization of 87129969 is 3 × 79 × 367637.
Since it has a total of 3 prime factors.
6 , 7 , 13 , 66 , 509 , 123 , 2908 , 3342 , 59348 , 20685 , 413377 , 391225 , 1563531 , 184822 , 37034889 , 1628953 , 842979330 , 87752566 , 1816094194 , 3009505103
n×2
174259938
n×3
261389907
n×4
348519876
n×5
435649845
n÷2
43564984.5
n÷3
29043323
n÷3
21782492.25
n÷5
17425993.8
n2
7591631497940961
n3
6.6145861707502E+23
n4
5.7632868800529E+31
n5
5.0215500719712E+39
2 √n
9334.3435227122
3 √n
443.32530327601
4 √n
96.61440639321
5 √n
38.728752842693
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87129968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87129969 can be divided by 8 positive divisors.
The sum of these divisors (counting 87129969) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100010111111101110001
3
Ternary
20001221122211220
4
Quaternary
11030113331301
5
Quinary
134301124334
6
Senary
12351255253
8
Octal
514277561
10
Decimal
87129969
12
Duodecimal
2521a529
16
Hexadecimal
5317f71
20
Vigesimal
174b4i9
36
Base36
1fvhwx
md5
fa38ae52a367ac513d1d0e3c0012f1a1
sha1
647d14f5d9bbe77bf62329b42c37be7ba841713d
sha256
0cdfd11f022a398e4fb70c72ab4dd9595144b7ceb9a4cf9fb9b921e5936cee30
sha512
1c7082c6fc8c99e275eec8a04dba8f609035f3d859ae1761ea636e2eb0805cd384398f3b2afb779a48d4bae57f95e99b9a2fc7894a4ce4df295a504e120446e9
ripemd-160
bfa46d198aefd2cd5c2a498348a7a7fbaae0e6fc
Diameter
174259938
Circumference
547453741.03581
Area
2.3849813742692E+16
Volume
2.7707113760754E+24
Surface area
9.5399254970769E+16
Circumference
547453741.03581
Perimeter
348519876
Area
7591631497940961
Diagonal
123220383.84895
Surface area
45549788987645766
Volume
6.6145861707502E+23
Space diagonal
150913533.1699
Perimeter
261389907
Area
3.2872728666935E+15
Altitude
75456766.584951
Surface area
3.2872728666935E+15
Volume
7.7953645601337E+22
Height
41073461.282982