129439245 is an odd 9-digits composite number following 129439244
and preceding 129439246 . In scientific notation, it is written as 1.29439245 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 62068608 positive integers (up to 129439245) that are relatively prime to 129439245.
129439245 has 24 divisors, whose sum is 163555200
The reverse of 129439245 is 542934921
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million four hundred thirty-nine thousand two hundred forty-five
Scientific notation
1.29439245 × 10^8
Engineering notation
1.29439245 × 10^6
Prime Factorization
39 × 5 × 43 × 43 × 359
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3010215
Product of the distinct prime numbers
The prime factorization of 129439245 is 39 × 5 × 43 × 43 × 359.
Since it has a total of 5 prime factors.
5 , 1 , 69 , 99 , 829 , 246 , 3890 , 5116 , 65930 , 68210 , 863819 , 554914 , 1855456 , 2819252 , 12754346 , 17365902 , 551724513 , 991163717 , 252647729 , 7841376352
n×2
258878490
n×3
388317735
n×4
517756980
n×5
647196225
n÷2
64719622.5
n÷3
43146415
n÷3
32359811.25
n÷5
25887849
n2
16754518146170025
n3
2.168692179179E+24
n4
2.8071387831034E+32
n5
3.6335392469512E+40
2 √n
11377.136942131
3 √n
505.85027492676
4 √n
106.66366270727
5 √n
41.919220113952
1 , 5 , 39 , 43 , 195 , 215 , 359 , 1677 , 1795 , 1849 , 8385 , 9245 , 14001 , 15437 , 70005 , 72111 , 77185 , 360555 , 602043 , 663791 , 3010215 , 3318955 , 25887849 , 129439245
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129439244
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129439245 can be divided by 24 positive divisors.
The sum of these divisors (counting 129439245) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101101110001011000001101
3
Ternary
100000120012021010
4
Quaternary
13231301120031
5
Quinary
231114023440
6
Senary
20502155433
8
Octal
755613015
10
Decimal
129439245
12
Duodecimal
37422b79
16
Hexadecimal
7b7160d
20
Vigesimal
208ji25
36
Base36
252byl
md5
c8ba37408d0ddc03be2f020cbafdd987
sha1
ae1eb205d57edb6cf1b6df4c862d75564e81f259
sha256
434e0eee261ce608af880a43125a5f98473bbbeba45497fe752d9191c47e0a27
sha512
f6bc4d488dba984e16db6a0b7f3e338616446b18fa10bc018d5eabb8965aeb5cf4863f6ffb717c35715e6146a18561b398120157abda8b81b622f455707f29b3
ripemd-160
05b31f33fbcfdbd6f206e1e46b1ef177a9c8a982
Diameter
258878490
Circumference
813290762.35642
Area
5.2635871122445E+16
Volume
9.084196557342E+24
Surface area
2.1054348448978E+17
Circumference
813290762.35642
Perimeter
517756980
Area
16754518146170025
Diagonal
183054735.78233
Surface area
100527108877020150
Volume
2.168692179179E+24
Space diagonal
224195348.83336
Perimeter
388317735
Area
7.2549191713753E+15
Altitude
112097674.41668
Surface area
7.2549191713753E+15
Volume
2.5558282436729E+23
Height
61018245.260778