129757972 is an even 9-digits composite number following 129757971
and preceding 129757973 . In scientific notation, it is written as 1.29757972 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors.
There are 64878984 positive integers (up to 129757972) that are relatively prime to 129757972.
129757972 has 6 divisors, whose sum is 227076458
The reverse of 129757972 is 279757921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-nine million seven hundred fifty-seven thousand nine hundred seventy-two
Scientific notation
1.29757972 × 10^8
Engineering notation
1.29757972 × 10^6
Prime Factorization
2 × 2 × 32439493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64878986
Product of the distinct prime numbers
The prime factorization of 129757972 is 2 × 2 × 32439493.
Since it has a total of 3 prime factors.
4 , 7 , 51 , 63 , 182 , 264 , 9364 , 2375 , 66015 , 12888 , 652344 , 621756 , 4827697 , 9108927 , 97942642 , 42323754 , 776186480 , 722532837 , 685179612 , 2940108314
n×2
259515944
n×3
389273916
n×4
519031888
n×5
648789860
n÷2
64878986
n÷3
43252657.333333
n÷3
32439493
n÷5
25951594.4
n2
16837131297552784
n3
2.1847520114682E+24
n4
2.8348899033103E+32
n5
3.6784956469682E+40
2 √n
11391.135676481
3 √n
506.26513104193
4 √n
106.72926344954
5 √n
41.939843916278
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129757971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129757972 can be divided by 6 positive divisors.
The sum of these divisors (counting 129757972) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101110111111001100010100
3
Ternary
100001011101110211
4
Quaternary
13232333030110
5
Quinary
231204223342
6
Senary
20513055204
8
Octal
756771424
10
Decimal
129757972
12
Duodecimal
37557504
16
Hexadecimal
7bbf314
20
Vigesimal
20ajeic
36
Base36
2595w4
md5
29c4bcaf9d0327a309d9274377480ba5
sha1
e0203385477f9176fc138428382bb0fde6558ba8
sha256
57121c31c5cc2530406dce7b80d8cf46a35ac2bf002213f726966ce4779ab0d4
sha512
7d6bbc902cb62fbba1fbe2e4ad12d3f28b18ed8b5bdf00cf31ad1a55bf089a8ca542a963ef58079ffd7fab238a36dc77a69fa7de9360a6f80e00e785580d7c52
ripemd-160
99ef826d854248fae62b623994baff8ee74055a0
Diameter
259515944
Circumference
815293383.15982
Area
5.2895407991919E+16
Volume
9.1514678255253E+24
Surface area
2.1158163196767E+17
Circumference
815293383.15982
Perimeter
519031888
Area
16837131297552784
Diagonal
183505483.82843
Surface area
101022787785316704
Volume
2.1847520114682E+24
Space diagonal
224747400.1911
Perimeter
389273916
Area
7.2906917152674E+15
Altitude
112373700.09555
Surface area
7.2906917152674E+15
Volume
2.5747549375335E+23
Height
61168494.609476