129657947 is an odd 9-digits composite number following 129657946
and preceding 129657948 . In scientific notation, it is written as 1.29657947 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 129562680 positive integers (up to 129657947) that are relatively prime to 129657947.
129657947 has 4 divisors, whose sum is 129753216
The reverse of 129657947 is 749756921
Previous prime number is 1381
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-nine million six hundred fifty-seven thousand nine hundred forty-seven
Scientific notation
1.29657947 × 10^8
Engineering notation
1.29657947 × 10^6
Prime Factorization
1381 × 93887
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129657947
Product of the distinct prime numbers
The prime factorization of 129657947 is 1381 × 93887.
Since it has a total of 2 prime factors.
4 , 1 , 5 , 24 , 61 , 197 , 6039 , 3190 , 91294 , 16839 , 246823 , 138554 , 5265277 , 8111866 , 19750854 , 89754013 , 222188023 , 100304347 , 7586383290 , 3636109614
n×2
259315894
n×3
388973841
n×4
518631788
n×5
648289735
n÷2
64828973.5
n÷3
43219315.666667
n÷3
32414486.75
n÷5
25931589.4
n2
16811183220254809
n3
2.1797035029791E+24
n4
2.8261588126498E+32
n5
3.6643394954413E+40
2 √n
11386.744354731
3 √n
506.13501138814
4 √n
106.7086892185
5 √n
41.933375986899
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129657946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129657947 can be divided by 4 positive divisors.
The sum of these divisors (counting 129657947) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110100110110001011011
3
Ternary
100000222022021012
4
Quaternary
13232212301123
5
Quinary
231143023242
6
Senary
20511004135
8
Octal
756466133
10
Decimal
129657947
12
Duodecimal
3750964b
16
Hexadecimal
7ba6c5b
20
Vigesimal
20a74h7
36
Base36
2570pn
md5
94a95d00c7f9b74ba55bfb0748e01799
sha1
1985f711e65eaa0a375b5405592da0cf4ee0be6e
sha256
4e5b3ab6b7d6758eb552af59d9b71b85f265dd28ddcc3257de8706ba4c04fbad
sha512
a1dbc9a921ea5a27a3d0908fe41441fba15305a1aefedfcdb4b36204f5681dfb973680fd38d6b5ab6797c50c7432abf43742cb32345e5e6bc1380210b40198c9
ripemd-160
9e225546d2e436d6923c7d9b3259d912dee811d9
Diameter
259315894
Circumference
814664907.54947
Area
5.2813889702905E+16
Volume
9.1303206826174E+24
Surface area
2.1125555881162E+17
Circumference
814664907.54947
Perimeter
518631788
Area
16811183220254809
Diagonal
183364027.11685
Surface area
100867099321528854
Volume
2.1797035029791E+24
Space diagonal
224574151.80907
Perimeter
388973841
Area
7.2794558682077E+15
Altitude
112287075.90454
Surface area
7.2794558682077E+15
Volume
2.568805213221E+23
Height
61121342.372284