129462918 is an even 9-digits composite number following 129462917
and preceding 129462919 . In scientific notation, it is written as 1.29462918 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 39732000 positive integers (up to 129462918) that are relatively prime to 129462918.
129462918 has 16 divisors, whose sum is 199687680
The reverse of 129462918 is 819264921
Previous prime number is 431
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million four hundred sixty-two thousand nine hundred eighteen
Scientific notation
1.29462918 × 10^8
Engineering notation
1.29462918 × 10^6
Prime Factorization
2 × 39 × 431 × 3851
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129462918
Product of the distinct prime numbers
The prime factorization of 129462918 is 2 × 39 × 431 × 3851.
Since it has a total of 4 prime factors.
10 , 6 , 58 , 16 , 73 , 895 , 5893 , 4770 , 25542 , 53664 , 721876 , 672771 , 4835799 , 8365322 , 18285610 , 32594865 , 495917044 , 950347588 , 5368244048 , 8535253838
n×2
258925836
n×3
388388754
n×4
517851672
n×5
647314590
n÷2
64731459
n÷3
43154306
n÷3
32365729.5
n÷5
25892583.6
n2
16760647137074724
n3
2.169882285934E+24
n4
2.8091929245353E+32
n5
3.636863132353E+40
2 √n
11378.177270547
3 √n
505.88111117894
4 √n
106.66853927259
5 √n
41.920753313732
1 , 2 , 39 , 78 , 431 , 862 , 3851 , 7702 , 16809 , 33618 , 150189 , 300378 , 1659781 , 3319562 , 64731459 , 129462918
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
-129462917
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 129462918 can be divided by 16 positive divisors.
The sum of these divisors (counting 129462918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101110111001010000110
3
Ternary
100000121101201220
4
Quaternary
13231313022012
5
Quinary
231120303133
6
Senary
20502501210
8
Octal
755671206
10
Decimal
129462918
12
Duodecimal
37434806
16
Hexadecimal
7b77286
20
Vigesimal
2092h5i
36
Base36
252u86
md5
5ee20c0b6a47bc43e18f708602dbc33a
sha1
984f980b8c207e9fb48ae8b1244fd5217690cab8
sha256
5facd0d0fe028c6caf0455ead59ae300dc460e6b9295ec6bdde3a145c3ad7812
sha512
7c435b796fc4f3a1b93848bfd3ce67d4e7a1dd23114e8ec910a1772f5ce92fcc895d1b0b2fe5a008e122e9c1ae176c137cd6a972522620519a3347102b364945
ripemd-160
e0a5fc5f06aabefabbeac1686b2e07f624f4dd40
Diameter
258925836
Circumference
813439504.2022
Area
5.2655125915245E+16
Volume
9.08918166486E+24
Surface area
2.1062050366098E+17
Circumference
813439504.2022
Perimeter
517851672
Area
16760647137074724
Diagonal
183088214.46
Surface area
100563882822448344
Volume
2.169882285934E+24
Space diagonal
224236351.67212
Perimeter
388388754
Area
7.2575731022868E+15
Altitude
112118175.83606
Surface area
7.2575731022868E+15
Volume
2.5572307979342E+23
Height
61029404.819999