129621951 is an odd 9-digits composite number following 129621950
and preceding 129621952 . In scientific notation, it is written as 1.29621951 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 80593920 positive integers (up to 129621951) that are relatively prime to 129621951.
129621951 has 24 divisors, whose sum is 192838464
The reverse of 129621951 is 159126921
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million six hundred twenty-one thousand nine hundred fifty-one
Scientific notation
1.29621951 × 10^8
Engineering notation
1.29621951 × 10^6
Prime Factorization
207 × 3 × 3 × 41 × 1697
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
43207317
Product of the distinct prime numbers
The prime factorization of 129621951 is 207 × 3 × 3 × 41 × 1697.
Since it has a total of 5 prime factors.
2 , 7 , 19 , 77 , 989 , 236 , 3912 , 171 , 71673 , 92091 , 977019 , 657538 , 2917661 , 3740199 , 15474791 , 67466371 , 316728825 , 259386930 , 7769947821 , 7167398349
n×2
259243902
n×3
388865853
n×4
518487804
n×5
648109755
n÷2
64810975.5
n÷3
43207317
n÷3
32405487.75
n÷5
25924390.2
n2
16801850181046401
n3
2.1778886008769E+24
n4
2.8230216950633E+32
n5
3.6592557982943E+40
2 √n
11385.163635188
3 √n
506.08816884965
4 √n
106.70128225653
5 √n
41.931047396194
1 , 3 , 9 , 41 , 123 , 207 , 369 , 621 , 1697 , 1863 , 5091 , 8487 , 15273 , 25461 , 69577 , 76383 , 208731 , 351279 , 626193 , 1053837 , 3161511 , 14402439 , 43207317 , 129621951
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129621950
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129621951 can be divided by 24 positive divisors.
The sum of these divisors (counting 129621951) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101110011101111110111111
3
Ternary
100000220110220000
4
Quaternary
13232131332333
5
Quinary
231140400301
6
Senary
20510125343
8
Octal
756357677
10
Decimal
129621951
12
Duodecimal
374b0853
16
Hexadecimal
7b9dfbf
20
Vigesimal
20a2ehb
36
Base36
2568xr
md5
4df3413135539a6c88b34af349f1d37b
sha1
6211fcc4f640c75c78795fcd53a2e29ea8944dc1
sha256
c04b68821371332f652873324e0c8c2c5d373603fff7d16a51728c5f84c40ede
sha512
c398cb0be5ca41bd297231e7533bd5481b4268780e7ad0873d00e877d68b86c378f8599c1bf6813b7defb70e60e5384b479739cb9bd9c516f718122fa4e06fb6
ripemd-160
2230af45a8579749a804ce78cff1ecbdf09e709b
Diameter
259243902
Circumference
814438738.01115
Area
5.2784569095492E+16
Volume
9.1227184384693E+24
Surface area
2.1113827638197E+17
Circumference
814438738.01115
Perimeter
518487804
Area
16801850181046401
Diagonal
183313121.08546
Surface area
100811101086278406
Volume
2.1778886008769E+24
Space diagonal
224511804.9082
Perimeter
388865853
Area
7.2754145436832E+15
Altitude
112255902.4541
Surface area
7.2754145436832E+15
Volume
2.5666663305816E+23
Height
61104373.695154