129384781 is an odd 9-digits prime number following 129384780
and preceding 129384782 . In scientific notation, it is written as 1.29384781 × 10^8.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 129384780 positive integers (up to 129384781) that are relatively prime to 129384781.
129384781 has 2 divisors, whose sum is 129384782
The reverse of 129384781 is 187483921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million three hundred eighty-four thousand seven hundred eighty-one
Scientific notation
1.29384781 × 10^8
Engineering notation
1.29384781 × 10^6
Prime Factorization
129384781
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
129384781
Product of the distinct prime numbers
The prime factorization of 129384781 is 129384781.
Since it has a total of 1 prime factors.
7 , 5 , 39 , 94 , 519 , 244 , 4843 , 6234 , 12312 , 44918 , 958536 , 9088 , 3292092 , 5434489 , 48737150 , 15874845 , 702435177 , 523559832 , 5869692976 , 127229926
n×2
258769562
n×3
388154343
n×4
517539124
n×5
646923905
n÷2
64692390.5
n÷3
43128260.333333
n÷3
32346195.25
n÷5
25876956.2
n2
16740421554417961
n3
2.165955776666E+24
n4
2.8024171381962E+32
n5
3.6259012769616E+40
2 √n
11374.743117979
3 √n
505.7793162969
4 √n
106.65244075022
5 √n
41.915691859809
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
129384782
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64692391
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11374.743161936
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999845422
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129384781 can be divided by 2 positive divisors.
The sum of these divisors (counting 129384781) is 129384782, the average is 64692391.
Base
System
Value
2
Binary
111101101100100000101001101
3
Ternary
100000110102112221
4
Quaternary
13231210011031
5
Quinary
231110303111
6
Senary
20501055341
8
Octal
755440515
10
Decimal
129384781
12
Duodecimal
373b7551
16
Hexadecimal
7b6414d
20
Vigesimal
208d1j1
36
Base36
2515xp
md5
125b6195d629b246f441dd2913d9f3dd
sha1
15a89fd06a58d7ee3e44cb072d90501266049da1
sha256
26c66f76776ba25f1a286bb34d19edca24beaa32959b724a583e1cb241d56b4d
sha512
d520fe1cdd6f8a9b0b2b00958f5ef01f7a3f1a59ccd13cabeb753cc2de3ddd6880b96fd5bf4709c404c6b6b4c73c7da9f5b08d546d33702aefd66cee64618d68
ripemd-160
68c6cc34dbd481353289e85944f23a89eba6c313
Diameter
258769562
Circumference
812948554.95185
Area
5.2591585373356E+16
Volume
9.0727343412992E+24
Surface area
2.1036634149342E+17
Circumference
812948554.95185
Perimeter
517539124
Area
16740421554417961
Diagonal
182977712.05487
Surface area
100442529326507766
Volume
2.165955776666E+24
Space diagonal
224101014.41817
Perimeter
388154343
Area
7.2488151680933E+15
Altitude
112050507.20909
Surface area
7.2488151680933E+15
Volume
2.5526033623846E+23
Height
60992570.684958