129778729 is an odd 9-digits prime number following 129778728
and preceding 129778730 . In scientific notation, it is written as 1.29778729 × 10^8.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 129778728 positive integers (up to 129778729) that are relatively prime to 129778729.
129778729 has 2 divisors, whose sum is 129778730
The reverse of 129778729 is 927877921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred twenty-nine million seven hundred seventy-eight thousand seven hundred twenty-nine
Scientific notation
1.29778729 × 10^8
Engineering notation
1.29778729 × 10^6
Prime Factorization
129778729
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
129778729
Product of the distinct prime numbers
The prime factorization of 129778729 is 129778729.
Since it has a total of 1 prime factors.
5 , 5 , 32 , 17 , 56 , 785 , 4154 , 9803 , 13147 , 96877 , 697479 , 612320 , 8427988 , 7137063 , 81638889 , 87873923 , 242086832 , 698422959 , 9097037278 , 8659340196
n×2
259557458
n×3
389336187
n×4
519114916
n×5
648893645
n÷2
64889364.5
n÷3
43259576.333333
n÷3
32444682.25
n÷5
25955745.8
n2
16842518500855441
n3
2.1858006442E+24
n4
2.8367042945166E+32
n5
3.681438778912E+40
2 √n
11392.046743233
3 √n
506.29212484913
4 √n
106.73353148487
5 √n
41.941185629051
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
129778730
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64889365
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11392.046787123
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999845892
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129778729 can be divided by 2 positive divisors.
The sum of these divisors (counting 129778729) is 129778730, the average is 64889365.
Base
System
Value
2
Binary
111101111000100010000101001
3
Ternary
100001012102221121
4
Quaternary
13233010100221
5
Quinary
231210404404
6
Senary
20513335241
8
Octal
757042051
10
Decimal
129778729
12
Duodecimal
37567521
16
Hexadecimal
7bc4429
20
Vigesimal
20b26g9
36
Base36
259lwp
md5
425aed50785cfd4e24bd837ffe3b3cb7
sha1
df23e91fe210c7e262380babe849db66f935cf0f
sha256
ef2ef3aa08a523c4f0445e79c6cb08113bddc89429abbf4aa70263e799a94f0b
sha512
179e42167056bdbd57446545f31a28ff70e78b7f37949e72fa0929b435dde61a0e4c29ed0a05be4922fef200bba80f9240daaa6b917d7af8dc8a0d69181ba153
ripemd-160
7ad7fb7f34e18b827b50600af0f570f9ef55010d
Diameter
259557458
Circumference
815423803.23724
Area
5.2912332390238E+16
Volume
9.1558603280408E+24
Surface area
2.1164932956095E+17
Circumference
815423803.23724
Perimeter
519114916
Area
16842518500855441
Diagonal
183534838.65934
Surface area
101055111005132646
Volume
2.1858006442E+24
Space diagonal
224783352.36971
Perimeter
389336187
Area
7.2930244427251E+15
Altitude
112391676.18486
Surface area
7.2930244427251E+15
Volume
2.5759907630596E+23
Height
61178279.553114