129731520 (number)

129731520 is an even 9-digits composite number following 129731519 and preceding 129731521. In scientific notation, it is written as 1.29731520 × 10^8. The sum of its digits is 30. It has a total of 10 prime factors and 112 positive divisors. There are 34406400 positive integers (up to 129731520) that are relatively prime to 129731520.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred thirty-one thousand five hundred twenty

Notation

Scientific notation 1.29731520 × 10^8
Engineering notation 1.29731520 × 10^6

Prime Factorization of 129731520

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 3 × 401 × 337

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 4054110
Product of the distinct prime numbers

The prime factorization of 129731520 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 3 × 401 × 337. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129731520)

Multiplication

n×y
n×2 259463040
n×3 389194560
n×4 518926080
n×5 648657600

Division

n÷y
n÷2 64865760
n÷3 43243840
n÷3 32432880
n÷5 25946304

Exponentiation

ny
n2 16830267281510400
n3 2.1834161564366E+24
n4 2.8325789676708E+32
n5 3.6747477499596E+40

Nth Root

y√n
2√n 11389.974539041
3√n 506.23072689926
4√n 106.72382367139
5√n 41.938133835259

Divisors of 129731520

112 divisors

τ Total Divisors 112
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129731519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0089285714285714
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 112
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129731520 can be divided by 112 positive divisors. The sum of these divisors (counting 129731520) is 1, the average is 0.0089285714285714.

Base conversion 129731520

Base System Value
2 Binary 111101110111000101111000000
3 Ternary 100001010001012010
4 Quaternary 13232320233000
5 Quinary 231202402040
6 Senary 20512332520
8 Octal 756705700
10 Decimal 129731520
12 Duodecimal 37544140
16 Hexadecimal 7bb8bc0
20 Vigesimal 20ag8g0
36 Base36 258lhc

Cryptographic Hash Functions

md5 f2f95aac66a45724c7bce103d177f6db
sha1 2d910c3057a010c62d577e23c4d18aa5c361b432
sha256 2a840573dfdca793ead21c2c015e093a4b9ba9c9301b4cd716aa149a4a0dc61c
sha512 9b640158953a54a6bb1c41ddb4d701cac4d99f6a730d440220a7c81244edc4d3da0a7f5e39f7fae02f9ab0a31ffcd57d2d63e5bbc5aabd58160b1f5bee44a67e
ripemd-160 25df37c04cbbe18997544e2dbe6e65f64222933e

129731520 as geometric shapes

Circle

Radius = n
Diameter 259463040
Circumference 815127180.34207
Area 5.2873844049546E+16

Sphere

Radius = n
Volume 9.145872209054E+24
Surface area 2.1149537619818E+17
Circumference 815127180.34207

Square

Length = n
Perimeter 518926080
Area 16830267281510400
Diagonal 183468075.05128

Cube

Length = n
Surface area 100981603689062400
Volume 2.1834161564366E+24
Space diagonal 224701583.98314

Equilateral Triangle

Length = n
Perimeter 389194560
Area 7.287719509135E+15
Altitude 112350791.99157

Triangular Pyramid

Length = n
Surface area 7.287719509135E+15
Volume 2.573180617281E+23
Height 61156025.017092