129447740 is an even 9-digits composite number following 129447739
and preceding 129447741 . In scientific notation, it is written as 1.29447740 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 51779088 positive integers (up to 129447740) that are relatively prime to 129447740.
129447740 has 12 divisors, whose sum is 271840296
The reverse of 129447740 is 047744921
Previous prime number is 5
Is Prime? no Number parity even Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred twenty-nine million four hundred forty-seven thousand seven hundred forty
Scientific notation
1.29447740 × 10^8
Engineering notation
1.29447740 × 10^6
Prime Factorization
2 × 2 × 5 × 6472387
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64723870 Product of the distinct prime numbers
The prime factorization of 129447740 is 2 × 2 × 5 × 6472387.
Since it has a total of 4 prime factors.
3 , 6 , 67 , 40 , 914 , 856 , 8727 , 620 , 43653 , 25669 , 159106 , 380656 , 3737610 , 8737003 , 73931516 , 3589359 , 367046671 , 206965977 , 513720499 , 1010967519
n×2
258895480
n×3
388343220
n×4
517790960
n×5
647238700
n÷2
64723870
n÷3
43149246.666667
n÷3
32361935
n÷5
25889548
n2
16756717391107600
n3
2.1691191960976E+24
n4
2.8078757772545E+32
n5
3.6347317356634E+40
2 √n11377.510272463
3 √n505.86134087532
4 √n106.66541272813
5 √n41.919770324867
1 , 2 , 4 , 5 , 10 , 20 , 6472387 , 12944774 , 25889548 , 32361935 , 64723870 , 129447740
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129447739 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129447740 can be divided by 12 positive divisors.
The sum of these divisors (counting 129447740) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101110011011100111100
3
Ternary
100000120121220202
4
Quaternary
13231303130330
5
Quinary
231114311430
6
Senary
20502303032
8
Octal
755633474
10
Decimal
129447740
12
Duodecimal
37427a78
16
Hexadecimal
7b7373c
20
Vigesimal
2090j70
36
Base36
252iik
md5
88af5d4fc6a06116d7ecf2d359284e92
sha1
aaa518e458db2a4515e651493193d2a04ed6db32
sha256
b5516f3ecf789b23f5d8eabd867117dc536ca35cefcbc24554d5665cda560b81
sha512
f514a1daf63157043e13d27c91d1cf1fb62c6b668607ac94b4798c125b832f8acb6dc948953c8b31a2257fa9fdd45229bc8ac1c72a5f6acab2c4087f8a8c10ab
ripemd-160
662b302b52b7a7e90259b0e8928a70a068a7ae25
Diameter
258895480
Circumference
813344138.0156
Area
5.2642780254184E+16
Volume
9.0859852416277E+24
Surface area
2.1057112101674E+17
Circumference
813344138.0156
Perimeter
517790960
Area
16756717391107600
Diagonal
183066749.52655
Surface area
100540304346645600
Volume
2.1691191960976E+24
Space diagonal
224210062.60497
Perimeter
388343220
Area
7.2558714723678E+15
Altitude
112105031.30248
Surface area
7.2558714723678E+15
Volume
2.5563314879375E+23
Height
61022249.842182