129439450 is an even 9-digits composite number following 129439449
and preceding 129439451 . In scientific notation, it is written as 1.29439450 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 44379120 positive integers (up to 129439450) that are relatively prime to 129439450.
129439450 has 16 divisors, whose sum is 230772672
The reverse of 129439450 is 054934921
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million four hundred thirty-nine thousand four hundred fifty
Scientific notation
1.29439450 × 10^8
Engineering notation
1.29439450 × 10^6
Prime Factorization
2 × 25 × 7 × 369827
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129439450
Product of the distinct prime numbers
The prime factorization of 129439450 is 2 × 25 × 7 × 369827.
Since it has a total of 4 prime factors.
6 , 6 , 81 , 70 , 254 , 420 , 8317 , 7500 , 49142 , 99769 , 149304 , 940504 , 126083 , 4016603 , 34244510 , 47038667 , 660678799 , 632265045 , 2909487141 , 6311202107
n×2
258878900
n×3
388318350
n×4
517757800
n×5
647197250
n÷2
64719725
n÷3
43146483.333333
n÷3
32359862.5
n÷5
25887890
n2
16754571216302500
n3
2.168702483224E+24
n4
2.8071565664215E+32
n5
3.6335680202149E+40
2 √n
11377.145951424
3 √n
505.85054197419
4 √n
106.66370493951
5 √n
41.919233391896
1 , 2 , 7 , 14 , 25 , 50 , 175 , 350 , 369827 , 739654 , 2588789 , 5177578 , 9245675 , 18491350 , 64719725 , 129439450
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129439449
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129439450 can be divided by 16 positive divisors.
The sum of these divisors (counting 129439450) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101110001011011011010
3
Ternary
100000120012112201
4
Quaternary
13231301123122
5
Quinary
231114030300
6
Senary
20502200414
8
Octal
755613332
10
Decimal
129439450
12
Duodecimal
3742310a
16
Hexadecimal
7b716da
20
Vigesimal
208jica
36
Base36
252c4a
md5
7acc33dbc3f17f0a2eeccfe66d90f593
sha1
b619f30bc80c27a46ddfd45d3c066ee2f16292d2
sha256
3069e528e98415d0fce940284801d77db8b638270f20bc911bb6e72bf8c47300
sha512
1f1f9209586557ee4085e2cf535707ed9992d2d28086f78e11c73ec2dd27b25d1130a66e4a590e6542e2e65e2d9c0bde3a56ed510955d1f013d839e92933d163
ripemd-160
67b7ffc4d950a11683803cf3facb3c5bfecaaa9a
Diameter
258878900
Circumference
813292050.40941
Area
5.2636037847183E+16
Volume
9.0842397188247E+24
Surface area
2.1054415138873E+17
Circumference
813292050.40941
Perimeter
517757800
Area
16754571216302500
Diagonal
183055025.69611
Surface area
100527427297815000
Volume
2.168702483224E+24
Space diagonal
224195703.90377
Perimeter
388318350
Area
7.2549421514168E+15
Altitude
112097851.95189
Surface area
7.2549421514168E+15
Volume
2.5558403871064E+23
Height
61018341.898705