129612887 is an odd 9-digits composite number following 129612886
and preceding 129612888 . In scientific notation, it is written as 1.29612887 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 121616640 positive integers (up to 129612887) that are relatively prime to 129612887.
129612887 has 16 divisors, whose sum is 137945472
The reverse of 129612887 is 788216921
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million six hundred twelve thousand eight hundred eighty-seven
Scientific notation
1.29612887 × 10^8
Engineering notation
1.29612887 × 10^6
Prime Factorization
47 × 37 × 73 × 1021
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129612887
Product of the distinct prime numbers
The prime factorization of 129612887 is 47 × 37 × 73 × 1021.
Since it has a total of 4 prime factors.
6 , 7 , 53 , 89 , 968 , 161 , 6684 , 3587 , 17718 , 77026 , 557270 , 604647 , 6315429 , 7270030 , 9747735 , 32937831 , 796651289 , 554024154 , 7460876098 , 5440711635
n×2
259225774
n×3
388838661
n×4
518451548
n×5
648064435
n÷2
64806443.5
n÷3
43204295.666667
n÷3
32403221.75
n÷5
25922577.4
n2
16799500476474769
n3
2.1774317569138E+24
n4
2.8222321625908E+32
n5
3.6579765837764E+40
2 √n
11384.765566317
3 √n
506.07637226208
4 √n
106.69941689774
5 √n
41.930460962119
1 , 37 , 47 , 73 , 1021 , 1739 , 2701 , 3431 , 37777 , 47987 , 74533 , 126947 , 1775519 , 2757721 , 3503051 , 129612887
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129612886
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129612887 can be divided by 16 positive divisors.
The sum of these divisors (counting 129612887) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110011011110001010111
3
Ternary
100000220000110022
4
Quaternary
13232123301113
5
Quinary
231140103022
6
Senary
20510015355
8
Octal
756336127
10
Decimal
129612887
12
Duodecimal
374a755b
16
Hexadecimal
7b9bc57
20
Vigesimal
20a1c47
36
Base36
2561xz
md5
f6746111e78b6b2ca6633fb57e168fd8
sha1
a3bf3d774f2b22c6801625e61cb2ccd064d81166
sha256
986f9cd793b711b4947df7714a9c271dadc31df272cfe37d791a82bbbe6f48fa
sha512
7fd2ac248de9a92a13b994b24dbe6d36baeab6d4be6e2422e526c9ee57dfbdc24bb78eaba87000502f223f531f22de09e383af85b26191353147eed77168bb49
ripemd-160
40dbafb0e23221576cc910d76c92841a92a7232b
Diameter
259225774
Circumference
814381787.21953
Area
5.2777187280871E+16
Volume
9.1208048149512E+24
Surface area
2.1110874912349E+17
Circumference
814381787.21953
Perimeter
518451548
Area
16799500476474769
Diagonal
183300302.65373
Surface area
100797002858848614
Volume
2.1774317569138E+24
Space diagonal
224496105.59968
Perimeter
388838661
Area
7.274397091758E+15
Altitude
112248052.79984
Surface area
7.274397091758E+15
Volume
2.5661279348078E+23
Height
61100100.884577