129752457 is an odd 9-digits composite number following 129752456
and preceding 129752458 . In scientific notation, it is written as 1.29752457 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 84489888 positive integers (up to 129752457) that are relatively prime to 129752457.
129752457 has 8 divisors, whose sum is 177026784
The reverse of 129752457 is 754257921
Previous prime number is 43
Is Prime? no Number parity odd Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred twenty-nine million seven hundred fifty-two thousand four hundred fifty-seven
Scientific notation
1.29752457 × 10^8
Engineering notation
1.29752457 × 10^6
Prime Factorization
3 × 43 × 1005833
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
129752457 Product of the distinct prime numbers
The prime factorization of 129752457 is 3 × 43 × 1005833.
Since it has a total of 3 prime factors.
6 , 2 , 61 , 100 , 31 , 66 , 5931 , 275 , 44176 , 15503 , 213695 , 863884 , 7845032 , 6000818 , 19360225 , 39407905 , 159494810 , 994870733 , 1771454601 , 8863210837
n×2
259504914
n×3
389257371
n×4
519009828
n×5
648762285
n÷2
64876228.5
n÷3
43250819
n÷3
32438114.25
n÷5
25950491.4
n2
16835700097536849
n3
2.1844734529705E+24
n4
2.834407977742E+32
n5
3.6777139925243E+40
2 √n11390.893599714
3 √n506.25795847876
4 √n106.72812937419
5 √n41.939487403044
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129752456 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129752457 can be divided by 8 positive divisors.
The sum of these divisors (counting 129752457) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110111101110110001001
3
Ternary
100001011002220120
4
Quaternary
13232331312021
5
Quinary
231204034312
6
Senary
20513013453
8
Octal
756756611
10
Decimal
129752457
12
Duodecimal
37554289
16
Hexadecimal
7bbdd89
20
Vigesimal
20aj12h
36
Base36
2591mx
md5
2df053c0e938a6fc9ba2efe047e38952
sha1
351b7b5b4d7e1308e4f072d1319e1267670ed92c
sha256
a19d29d17fdb1b129d8e1ada96ebb5dda85c9e900b4119c422a6d141f030b3f6
sha512
667d3acfbb3229b28ff000c2a7ea16ce49d3ecbf9914a6c0d753712f1b5036761a9dcbaea934afe084d93d686e92f99a709c0744b2c7aaa144a47c184b7d826a
ripemd-160
2fafb658d64cee0c885456970709aabf5499e7c9
Diameter
259504914
Circumference
815258731.39285
Area
5.2890911744463E+16
Volume
9.1503010024189E+24
Surface area
2.1156364697785E+17
Circumference
815258731.39285
Perimeter
519009828
Area
16835700097536849
Diagonal
183497684.44063
Surface area
101014200585221094
Volume
2.1844734529705E+24
Space diagonal
224737847.9309
Perimeter
389257371
Area
7.2900719874815E+15
Altitude
112368923.96545
Surface area
7.2900719874815E+15
Volume
2.5744266531958E+23
Height
61165894.813544