129238085 (number)

129238085 is an odd 9-digits composite number following 129238084 and preceding 129238086. In scientific notation, it is written as 1.29238085 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 102366400 positive integers (up to 129238085) that are relatively prime to 129238085.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million two hundred thirty-eight thousand eighty-five

Notation

Scientific notation 1.29238085 × 10^8
Engineering notation 1.29238085 × 10^6

Prime Factorization of 129238085

Prime Factorization 5 × 101 × 255917

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129238085
Product of the distinct prime numbers

The prime factorization of 129238085 is 5 × 101 × 255917. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129238085)

Multiplication

n×y
n×2 258476170
n×3 387714255
n×4 516952340
n×5 646190425

Division

n÷y
n÷2 64619042.5
n÷3 43079361.666667
n÷3 32309521.25
n÷5 25847617

Exponentiation

ny
n2 16702482614467225
n3 2.1585968678395E+24
n4 2.7897292548658E+32
n5 3.6053926656733E+40

Nth Root

y√n
2√n 11368.292967724
3√n 505.58809375211
4√n 106.62219734991
5√n 41.906182774107

Divisors of 129238085

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129238084
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129238085 can be divided by 8 positive divisors. The sum of these divisors (counting 129238085) is 1, the average is 0.125.

Base conversion 129238085

Base System Value
2 Binary 111101101000000010001000101
3 Ternary 100000011222022202
4 Quaternary 13231000101011
5 Quinary 231041104320
6 Senary 20454004245
8 Octal 755002105
10 Decimal 129238085
12 Duodecimal 37346685
16 Hexadecimal 7b40445
20 Vigesimal 207ef45
36 Base36 24y0qt

Cryptographic Hash Functions

md5 1888dddea048ada559cb81ef13c25a71
sha1 7135bd3ce583ca080e5746f8f1af7dd7d58a3165
sha256 3ddf24db902695f8dc5d36779ead5a6ba37e92178467cafaf35ccfbd51f05830
sha512 f1c8583cea3cf79d657a450b3e25b21db4b3194cc133066e410550108f53fdb0996763137ecfb44b2802f331bb5d54a8a10ed959760589ce6c08dff39fe860b6
ripemd-160 3b5cc9a3fd319f4ba15ac1f30ac0839b2d5115ae

129238085 as geometric shapes

Circle

Radius = n
Diameter 258476170
Circumference 812026836.80003
Area 5.2472396678321E+16

Sphere

Radius = n
Volume 9.0419094160888E+24
Surface area 2.0988958671329E+17
Circumference 812026836.80003

Square

Length = n
Perimeter 516952340
Area 16702482614467225
Diagonal 182770252.58213

Cube

Length = n
Surface area 100214895686803350
Volume 2.1585968678395E+24
Space diagonal 223846929.49291

Equilateral Triangle

Length = n
Perimeter 387714255
Area 7.2323871251983E+15
Altitude 111923464.74645

Triangular Pyramid

Length = n
Surface area 7.2323871251983E+15
Volume 2.5439308051623E+23
Height 60923417.527376