129386947 is an odd 9-digits prime number following 129386946
and preceding 129386948 . In scientific notation, it is written as 1.29386947 × 10^8.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 129386946 positive integers (up to 129386947) that are relatively prime to 129386947.
129386947 has 2 divisors, whose sum is 129386948
The reverse of 129386947 is 749683921
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred twenty-nine million three hundred eighty-six thousand nine hundred forty-seven
Scientific notation
1.29386947 × 10^8
Engineering notation
1.29386947 × 10^6
Prime Factorization
129386947
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
129386947 Product of the distinct prime numbers
The prime factorization of 129386947 is 129386947.
Since it has a total of 1 prime factors.
4 , 2 , 20 , 95 , 874 , 683 , 5364 , 8300 , 45598 , 30957 , 79834 , 204137 , 3688677 , 5617296 , 69582390 , 7292762 , 888991715 , 450335476 , 4294761912 , 2337571893
n×2
258773894
n×3
388160841
n×4
517547788
n×5
646934735
n÷2
64693473.5
n÷3
43128982.333333
n÷3
32346736.75
n÷5
25877389.4
n2
16740982053980809
n3
2.1660645577464E+24
n4
2.8026048013171E+32
n5
3.6262047888996E+40
2 √n11374.838328521
3 √n505.78213865843
4 √n106.65288710823
5 √n41.915832199005
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
129386948 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64693474 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11374.838372478 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999845425 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129386947 can be divided by 2 positive divisors.
The sum of these divisors (counting 129386947) is 129386948, the average is 64693474.
Base
System
Value
2
Binary
111101101100100100111000011
3
Ternary
100000110112112011
4
Quaternary
13231210213003
5
Quinary
231110340242
6
Senary
20501113351
8
Octal
755444703
10
Decimal
129386947
12
Duodecimal
373b8857
16
Hexadecimal
7b649c3
20
Vigesimal
208d777
36
Base36
2517lv
md5
03638e579b5fccc8cc7301874668bbe7
sha1
2c6021eafa2f75ebed81f7e81d2adf399b80cc2b
sha256
a2b4eaeb3c488f90c1b41c4b99c9a4e57f5cfa6972dd73d1e523dfc9e841fd08
sha512
8da36d08d3878d64938ec757032e758df63bf764787f6a3d13fbfec4228e2887b93859d942e36feeaf4e987d225c4b094760999022dc234018cc0ed3cf599cec
ripemd-160
f3730ff6eea1236ac5b0fee88b721c0b4162087f
Diameter
258773894
Circumference
812962164.33122
Area
5.2593346234665E+16
Volume
9.0731900024229E+24
Surface area
2.1037338493866E+17
Circumference
812962164.33122
Perimeter
517547788
Area
16740982053980809
Diagonal
182980775.24145
Surface area
100445892323884854
Volume
2.1660645577464E+24
Space diagonal
224104766.04022
Perimeter
388160841
Area
7.2490578715234E+15
Altitude
112052383.02011
Surface area
7.2490578715234E+15
Volume
2.5527315621172E+23
Height
60993591.74715