129938 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine thousand nine hundred thirty-eight

Notation

Scientific notation 1.29938 × 10^5
Engineering notation 1.29938 × 10^3

Prime Factorization of 129938

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.

Most popular turbo-numbers

Basic calculations (n = 129938)

Multiplication

n×y
n×2 259876
n×3 389814
n×4 519752
n×5 649690

Division

n÷y
n÷2 64969
n÷3 43312.666666667
n÷3 32484.5
n÷5 25987.6

Exponentiation

ny
n2 16883883844
n3 2193858098921672
n4 2.8506553365768E+20
n5 3.7040845312412E+25

Nth Root

y√n
2√n 360.46913876225
3√n 50.64991559206
4√n 18.986024827811
5√n 10.537734095179

Divisors of 129938

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 conversion 129938

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

Cryptographic Hash Functions

md5 e6ecd1a689f21c50f6f1d77dcd2bd10b
sha1 cce53ccb7ca9ef9ba98074c466deba441351a47e
sha256 2b80511a9f1a9a2cfe6437c53489c972358e3c5ba8cc39ffd78dd5d57f3a8877
sha512 4de3696e32cd98ae20ae768d14e354d57f20f5d567762a45fad8bea32bdd42afcf47cd900bcc68a6281dde260441f700784c274d5af60e0eb0a316f4730ce6e2
ripemd-160 3094f321e5fcc42ef35dc7f63bb46c5249cb49ac

129938 as geometric shapes

Circle

Radius = n
Diameter 259876
Circumference 816424.5324443
Area 53042285448.374

Sphere

Radius = n
Volume 9.1896113154544E+15
Surface area 212169141793.5
Circumference 816424.5324443

Square

Length = n
Perimeter 519752
Area 16883883844
Diagonal 183760.08186764

Cube

Length = n
Surface area 101303303064
Volume 2193858098921672
Space diagonal 225059.21783388

Equilateral Triangle

Length = n
Perimeter 389814
Area 7310936161.7248
Altitude 112529.60891694

Triangular Pyramid

Length = n
Surface area 7310936161.7248
Volume 2.5854865645142E+14
Height 61253.360622545