129156918 is an even 9-digits composite number following 129156917
and preceding 129156919 . In scientific notation, it is written as 1.29156918 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 38770560 positive integers (up to 129156918) that are relatively prime to 129156918.
129156918 has 16 divisors, whose sum is 201482640
The reverse of 129156918 is 819651921
Previous prime number is 107
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million one hundred fifty-six thousand nine hundred eighteen
Scientific notation
1.29156918 × 10^8
Engineering notation
1.29156918 × 10^6
Prime Factorization
2 × 33 × 107 × 18289
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129156918
Product of the distinct prime numbers
The prime factorization of 129156918 is 2 × 33 × 107 × 18289.
Since it has a total of 4 prime factors.
1 , 7 , 65 , 31 , 474 , 370 , 8412 , 1794 , 56531 , 22488 , 811656 , 624049 , 8354427 , 9022616 , 17241853 , 68461678 , 385958379 , 742537378 , 2249550452 , 4930943836
n×2
258313836
n×3
387470754
n×4
516627672
n×5
645784590
n÷2
64578459
n÷3
43052306
n÷3
32289229.5
n÷5
25831383.6
n2
16681509467258724
n3
2.154532350379E+24
n4
2.7827275810624E+32
n5
3.5940851800362E+40
2 √n
11364.72252191
3 √n
505.48222799587
4 √n
106.60545258996
5 √n
41.900917679149
1 , 2 , 33 , 66 , 107 , 214 , 3531 , 7062 , 18289 , 36578 , 603537 , 1207074 , 1956923 , 3913846 , 64578459 , 129156918
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
-129156917
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 129156918 can be divided by 16 positive divisors.
The sum of these divisors (counting 129156918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100101100011100110110
3
Ternary
100000000211222120
4
Quaternary
13230230130312
5
Quinary
231031010133
6
Senary
20452140410
8
Octal
754543466
10
Decimal
129156918
12
Duodecimal
37307706
16
Hexadecimal
7b2c736
20
Vigesimal
2074c5i
36
Base36
24wa46
md5
0fdd54787301be941ae41246d1b7041c
sha1
f6f7ac2178cc938a75d3149b3a764db7a64130ea
sha256
d5887875c09749e8c471508c4f44b6b89dab8c92310d6d7a01e52245dda7aa2c
sha512
29349116362199171cadb66aeae04b53d211f0a68e195031675000a04636f1df911171d24a7bb8187066716225f356060b51dc166bee9ed887457035389d1d0c
ripemd-160
3ae397f6bbfe75b395a9d1b0b26a102b7de6c697
Diameter
258313836
Circumference
811516849.4982
Area
5.2406507593129E+16
Volume
9.0248840051628E+24
Surface area
2.0962603037251E+17
Circumference
811516849.4982
Perimeter
516627672
Area
16681509467258724
Diagonal
182655465.10991
Surface area
100089056803552344
Volume
2.154532350379E+24
Space diagonal
223706344.12501
Perimeter
387470754
Area
7.2233054860583E+15
Altitude
111853172.0625
Surface area
7.2233054860583E+15
Volume
2.5391407253979E+23
Height
60885155.036637