129628918 is an even 9-digits composite number following 129628917
and preceding 129628919 . In scientific notation, it is written as 1.29628918 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 61263720 positive integers (up to 129628918) that are relatively prime to 129628918.
129628918 has 16 divisors, whose sum is 205387776
The reverse of 129628918 is 819826921
Previous prime number is 31
Is Prime? no Number parity even Number length 9 Sum of Digits 46 Digital Root 1
Name
one hundred twenty-nine million six hundred twenty-eight thousand nine hundred eighteen
Scientific notation
1.29628918 × 10^8
Engineering notation
1.29628918 × 10^6
Prime Factorization
2 × 43 × 31 × 48623
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
129628918 Product of the distinct prime numbers
The prime factorization of 129628918 is 2 × 43 × 31 × 48623.
Since it has a total of 4 prime factors.
1 , 6 , 28 , 25 , 476 , 679 , 7441 , 2630 , 3513 , 26702 , 642406 , 474977 , 6115731 , 1726826 , 47872289 , 7767626 , 434677376 , 966490631 , 9906555115 , 3363223186
n×2
259257836
n×3
388886754
n×4
518515672
n×5
648144590
n÷2
64814459
n÷3
43209639.333333
n÷3
32407229.5
n÷5
25925783.6
n2
16803656381850724
n3
2.1782397952231E+24
n4
2.8236286779931E+32
n5
3.6602393036202E+40
2 √n11385.46959945
3 √n506.09723586615
4 √n106.7027159891
5 √n41.931498133626
1 , 2 , 31 , 43 , 62 , 86 , 1333 , 2666 , 48623 , 97246 , 1507313 , 2090789 , 3014626 , 4181578 , 64814459 , 129628918
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
-129628917 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 129628918 can be divided by 16 positive divisors.
The sum of these divisors (counting 129628918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110011111101011110110
3
Ternary
100000220211110001
4
Quaternary
13232133223312
5
Quinary
231141111133
6
Senary
20510221514
8
Octal
756375366
10
Decimal
129628918
12
Duodecimal
374b489a
16
Hexadecimal
7b9faf6
20
Vigesimal
20a3c5i
36
Base36
256eba
md5
70c677700d8b9afa3e483ae56e49da0e
sha1
a1554ebfec351c3bf8d0a492516d084f38846a18
sha256
612f74142a1f2e07ecc6c6e911c84f8d405749988edead1d218adad3ae5e6f91
sha512
241a90d1542fd100759493e5e17b377859922e5331fd17581b457e5c369f95ed19d389b4c0a7f5fddd2f2eb233916d97fe847f1091f5d99728f36839d3926814
ripemd-160
116eaeaba989cac85864b36458405747dd084356
Diameter
259257836
Circumference
814482512.96319
Area
5.2790243442669E+16
Volume
9.1241895179065E+24
Surface area
2.1116097377068E+17
Circumference
814482512.96319
Perimeter
518515672
Area
16803656381850724
Diagonal
183322973.91135
Surface area
100821938291104344
Volume
2.1782397952231E+24
Space diagonal
224523872.10618
Perimeter
388886754
Area
7.2761966515736E+15
Altitude
112261936.05309
Surface area
7.2761966515736E+15
Volume
2.5670802170878E+23
Height
61107657.97045