129644872 is an even 9-digits composite number following 129644871
and preceding 129644873 . In scientific notation, it is written as 1.29644872 × 10^8.
The sum of its digits is 43. It has a total of 6 prime factors and 32 positive divisors.
There are 55373760 positive integers (up to 129644872) that are relatively prime to 129644872.
129644872 has 32 divisors, whose sum is 278752320
The reverse of 129644872 is 278446921
Previous prime number is 307
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million six hundred forty-four thousand eight hundred seventy-two
Scientific notation
1.29644872 × 10^8
Engineering notation
1.29644872 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 307 × 7541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32411218
Product of the distinct prime numbers
The prime factorization of 129644872 is 2 × 2 × 2 × 7 × 307 × 7541.
Since it has a total of 6 prime factors.
6 , 6 , 17 , 58 , 3 , 255 , 8301 , 1001 , 19811 , 69690 , 850819 , 894625 , 4825966 , 9139827 , 9402686 , 90219666 , 683760673 , 572400140 , 4755830825 , 4174128026
n×2
259289744
n×3
388934616
n×4
518579488
n×5
648224360
n÷2
64822436
n÷3
43214957.333333
n÷3
32411218
n÷5
25928974.4
n2
16807792835896384
n3
2.1790441508123E+24
n4
2.8250190001441E+32
n5
3.6624922667125E+40
2 √n
11386.170207756
3 √n
506.11799755061
4 √n
106.7059989305
5 √n
41.932530221528
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 307 , 614 , 1228 , 2149 , 2456 , 4298 , 7541 , 8596 , 15082 , 17192 , 30164 , 52787 , 60328 , 105574 , 211148 , 422296 , 2315087 , 4630174 , 9260348 , 16205609 , 18520696 , 32411218 , 64822436 , 129644872
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129644871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129644872 can be divided by 32 positive divisors.
The sum of these divisors (counting 129644872) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101110100011100101001000
3
Ternary
100000221122022221
4
Quaternary
13232203211020
5
Quinary
231142113442
6
Senary
20510423424
8
Octal
756434510
10
Decimal
129644872
12
Duodecimal
37501b74
16
Hexadecimal
7ba3948
20
Vigesimal
20a5c3c
36
Base36
256qmg
md5
22280d189e1be98a580d7e6464b35b5a
sha1
a09974b4380ef157eaae0ae015c3d458e9fe367e
sha256
8057c51ffa9f220f57ec8b61932c9d185f8fcb3c894b5e7117d23eef6ba382b9
sha512
6307b137013252e4bf351608295968a50b0a80527cf9983a8c1c5b4d5456e0962fa1774544c2733dec536f90bcdf9cc9a8e2adc961c032d1854494c702bb661e
ripemd-160
fde39110a45cfc161a41f6dae3cc65c38c99e653
Diameter
259289744
Circumference
814582754.90158
Area
5.2803238496311E+16
Volume
9.1275587947197E+24
Surface area
2.1121295398524E+17
Circumference
814582754.90158
Perimeter
518579488
Area
16807792835896384
Diagonal
183345536.27452
Surface area
100846757015378304
Volume
2.1790441508123E+24
Space diagonal
224551505.24476
Perimeter
388934616
Area
7.2779877887162E+15
Altitude
112275752.62238
Surface area
7.2779877887162E+15
Volume
2.5680281592404E+23
Height
61115178.758175