129439456 is an even 9-digits composite number following 129439455
and preceding 129439457 . In scientific notation, it is written as 1.29439456 × 10^8.
The sum of its digits is 43. It has a total of 6 prime factors and 12 positive divisors.
There are 64719712 positive integers (up to 129439456) that are relatively prime to 129439456.
129439456 has 12 divisors, whose sum is 254833992
The reverse of 129439456 is 654934921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million four hundred thirty-nine thousand four hundred fifty-six
Scientific notation
1.29439456 × 10^8
Engineering notation
1.29439456 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 4044983
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8089966
Product of the distinct prime numbers
The prime factorization of 129439456 is 2 × 2 × 2 × 2 × 2 × 4044983.
Since it has a total of 6 prime factors.
7 , 4 , 99 , 22 , 672 , 488 , 3131 , 8519 , 7265 , 81775 , 529859 , 532028 , 3924540 , 5621050 , 3181168 , 76707144 , 430152202 , 874446707 , 5128556626 , 2454384906
n×2
258878912
n×3
388318368
n×4
517757824
n×5
647197280
n÷2
64719728
n÷3
43146485.333333
n÷3
32359864
n÷5
25887891.2
n2
16754572769575936
n3
2.1687027848063E+24
n4
2.8071570869102E+32
n5
3.633568862362E+40
2 √n
11377.14621511
3 √n
505.8505497902
4 √n
106.66370617558
5 √n
41.919233780518
1 , 2 , 4 , 8 , 16 , 32 , 4044983 , 8089966 , 16179932 , 32359864 , 64719728 , 129439456
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
-129439455
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 129439456 can be divided by 12 positive divisors.
The sum of these divisors (counting 129439456) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101110001011011100000
3
Ternary
100000120012112221
4
Quaternary
13231301123200
5
Quinary
231114030311
6
Senary
20502200424
8
Octal
755613340
10
Decimal
129439456
12
Duodecimal
37423114
16
Hexadecimal
7b716e0
20
Vigesimal
208jicg
36
Base36
252c4g
md5
97633cea201146f7a44f74dd22e35394
sha1
4cd0740195e5c6b66d61ef8ab3573be84d333b80
sha256
3b7f2e6bc6bd69d6e04015190cd17afddfdc04525cae4d60cacf51d158d0c50e
sha512
a9255870aab7b2d72c416ab92bf23d4500ad3884c98cdb2cd50c263ea93d636a07e87dab529c8d95b8bdc189d5237b5ec3da38bb24121d3042f6fc6dde84ba3c
ripemd-160
43fc765675eae445e0e7cfc84ba5305d04d82527
Diameter
258878912
Circumference
813292088.10852
Area
5.2636042726935E+16
Volume
9.0842409820897E+24
Surface area
2.1054417090774E+17
Circumference
813292088.10852
Perimeter
517757824
Area
16754572769575936
Diagonal
183055034.1814
Surface area
100527436617455616
Volume
2.1687027848063E+24
Space diagonal
224195714.29608
Perimeter
388318368
Area
7.2549428240039E+15
Altitude
112097857.14804
Surface area
7.2549428240039E+15
Volume
2.5558407425245E+23
Height
61018344.727132