129440918 is an even 9-digits composite number following 129440917
and preceding 129440919 . In scientific notation, it is written as 1.29440918 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 60981096 positive integers (up to 129440918) that are relatively prime to 129440918.
129440918 has 16 divisors, whose sum is 205632000
The reverse of 129440918 is 819044921
Previous prime number is 67
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million four hundred forty thousand nine hundred eighteen
Scientific notation
1.29440918 × 10^8
Engineering notation
1.29440918 × 10^6
Prime Factorization
2 × 23 × 67 × 41999
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129440918
Product of the distinct prime numbers
The prime factorization of 129440918 is 2 × 23 × 67 × 41999.
Since it has a total of 4 prime factors.
1 , 5 , 99 , 99 , 782 , 658 , 7192 , 5271 , 61268 , 94261 , 615326 , 654706 , 178499 , 191852 , 97893528 , 10307501 , 564274590 , 779552934 , 773723863 , 698639796
n×2
258881836
n×3
388322754
n×4
517763672
n×5
647204590
n÷2
64720459
n÷3
43146972.666667
n÷3
32360229.5
n÷5
25888183.6
n2
16754951252682724
n3
2.1687762711925E+24
n4
2.8072839147977E+32
n5
3.6337740701805E+40
2 √n
11377.210466542
3 √n
505.85245428605
4 √n
106.6640073621
5 √n
41.919328474431
1 , 2 , 23 , 46 , 67 , 134 , 1541 , 3082 , 41999 , 83998 , 965977 , 1931954 , 2813933 , 5627866 , 64720459 , 129440918
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
-129440917
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 129440918 can be divided by 16 positive divisors.
The sum of these divisors (counting 129440918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101110001110010010110
3
Ternary
100000120021120002
4
Quaternary
13231301302112
5
Quinary
231114102133
6
Senary
20502211302
8
Octal
755616226
10
Decimal
129440918
12
Duodecimal
37423b32
16
Hexadecimal
7b71c96
20
Vigesimal
209025i
36
Base36
252d92
md5
b2db271b8dcb62548eeaf2790480e746
sha1
fd05e04ccf5f86a3dc13d54684dbde4b837ffb1f
sha256
a968961b2829b4aee5f4a236c8588b1b92ca6f3cb18d5c0b0a20ac60d5deddac
sha512
67ee4dd2dfe69ea1a5b2f87fb85a7f0831142d1cc5128c3bbaaf2a26df33c42f786d1c5b5478eac81342da6570e64bbd49cfbda03cd29226656c06489cb4483a
ripemd-160
56677ccce6ff255fccee2fbf74418dc4c5ee36fb
Diameter
258881836
Circumference
813301274.12544
Area
5.2637231766683E+16
Volume
9.0845488011443E+24
Surface area
2.1054892706673E+17
Circumference
813301274.12544
Perimeter
517763672
Area
16754951252682724
Diagonal
183057101.76162
Surface area
100529707516096344
Volume
2.1687762711925E+24
Space diagonal
224198246.55436
Perimeter
388322754
Area
7.2551067119966E+15
Altitude
112099123.27718
Surface area
7.2551067119966E+15
Volume
2.5559273470612E+23
Height
61019033.920541