129938 is an even 6-digits composite number following 129937
and preceding 129939 . In scientific notation, it is written as 1.29938 × 10^5.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 64968 positive integers (up to 129938) that are relatively prime to 129938.
129938 has 4 divisors, whose sum is 194910
The reverse of 129938 is 839921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 6
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine thousand nine hundred thirty-eight
Scientific notation
1.29938 × 10^5
Engineering notation
1.29938 × 10^3
Prime Factorization
2 × 64969
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129938
Product of the distinct prime numbers
The prime factorization of 129938 is 2 × 64969.
Since it has a total of 2 prime factors.
1 , 2 , 62 , 61 , 8 , 225 , 5042 , 2703 , 75032 , 87916 , 459377 , 119241 , 5997284 , 8501668 , 31784126 , 62208356 , 588016759 , 727508746 , 4119122809 , 4049260242
n×2
259876
n×3
389814
n×4
519752
n×5
649690
n÷2
64969
n÷3
43312.666666667
n÷3
32484.5
n÷5
25987.6
n2
16883883844
n3
2193858098921672
n4
2.8506553365768E+20
n5
3.7040845312412E+25
2 √n
360.46913876225
3 √n
50.64991559206
4 √n
18.986024827811
5 √n
10.537734095179
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129938 can be divided by 4 positive divisors.
The sum of these divisors (counting 129938) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111101110010010
3
Ternary
20121020112
4
Quaternary
133232102
5
Quinary
13124223
6
Senary
2441322
8
Octal
375622
10
Decimal
129938
12
Duodecimal
63242
16
Hexadecimal
1fb92
20
Vigesimal
g4gi
36
Base36
2s9e
md5
e6ecd1a689f21c50f6f1d77dcd2bd10b
sha1
cce53ccb7ca9ef9ba98074c466deba441351a47e
sha256
2b80511a9f1a9a2cfe6437c53489c972358e3c5ba8cc39ffd78dd5d57f3a8877
sha512
4de3696e32cd98ae20ae768d14e354d57f20f5d567762a45fad8bea32bdd42afcf47cd900bcc68a6281dde260441f700784c274d5af60e0eb0a316f4730ce6e2
ripemd-160
3094f321e5fcc42ef35dc7f63bb46c5249cb49ac
Diameter
259876
Circumference
816424.5324443
Area
53042285448.374
Volume
9.1896113154544E+15
Surface area
212169141793.5
Circumference
816424.5324443
Perimeter
519752
Area
16883883844
Diagonal
183760.08186764
Surface area
101303303064
Volume
2193858098921672
Space diagonal
225059.21783388
Perimeter
389814
Area
7310936161.7248
Altitude
112529.60891694
Surface area
7310936161.7248
Volume
2.5854865645142E+14
Height
61253.360622545