129657972 is an even 9-digits composite number following 129657971
and preceding 129657973 . In scientific notation, it is written as 1.29657972 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors.
There are 43219320 positive integers (up to 129657972) that are relatively prime to 129657972.
129657972 has 12 divisors, whose sum is 302535296
The reverse of 129657972 is 279756921
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 48 Digital Root 3
Name
one hundred twenty-nine million six hundred fifty-seven thousand nine hundred seventy-two
Scientific notation
1.29657972 × 10^8
Engineering notation
1.29657972 × 10^6
Prime Factorization
2 × 2 × 3 × 10804831
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64828986 Product of the distinct prime numbers
The prime factorization of 129657972 is 2 × 2 × 3 × 10804831.
Since it has a total of 4 prime factors.
8 , 10 , 73 , 81 , 583 , 17 , 1383 , 5831 , 85050 , 25767 , 421227 , 391924 , 5359522 , 9862493 , 17661221 , 51748851 , 509446647 , 397735098 , 2268205430 , 29161179
n×2
259315944
n×3
388973916
n×4
518631888
n×5
648289860
n÷2
64828986
n÷3
43219324
n÷3
32414493
n÷5
25931594.4
n2
16811189703152784
n3
2.1797047638181E+24
n4
2.8261609923539E+32
n5
3.6643430281411E+40
2 √n11386.745452499
3 √n506.13504391828
4 √n106.70869436226
5 √n41.933377603976
1 , 2 , 3 , 4 , 6 , 12 , 10804831 , 21609662 , 32414493 , 43219324 , 64828986 , 129657972
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129657971 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129657972 can be divided by 12 positive divisors.
The sum of these divisors (counting 129657972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101110100110110001110100
3
Ternary
100000222022022010
4
Quaternary
13232212301310
5
Quinary
231143023342
6
Senary
20511004220
8
Octal
756466164
10
Decimal
129657972
12
Duodecimal
37509670
16
Hexadecimal
7ba6c74
20
Vigesimal
20a74ic
36
Base36
2570qc
md5
d302df84d735f4589315a4cb138bda90
sha1
650883dd43aa2b44add5545b20e03366a6277ba9
sha256
e431e387c8fa53144f19e0491373055fedc64de595162de1736daabf683084d8
sha512
160e4a9359b641391a376e37c6dedda3bb998818a3bd097a26adcca487c5e035a8b420d9a56cf209681691e220dffb43227f7a5474aee0d01a584d8fbd2414c2
ripemd-160
1589128500e042349db17b4c0ea620e5e27e80a7
Diameter
259315944
Circumference
814665064.6291
Area
5.2813910069529E+16
Volume
9.1303259640074E+24
Surface area
2.1125564027812E+17
Circumference
814665064.6291
Perimeter
518631888
Area
16811189703152784
Diagonal
183364062.47219
Surface area
100867138218916704
Volume
2.1797047638181E+24
Space diagonal
224574195.11034
Perimeter
388973916
Area
7.2794586753848E+15
Altitude
112287097.55517
Surface area
7.2794586753848E+15
Volume
2.568806699134E+23
Height
61121354.157397