129721312 (number)

129721312 is an even 9-digits composite number following 129721311 and preceding 129721313. In scientific notation, it is written as 1.29721312 × 10^8. The sum of its digits is 28. It has a total of 7 prime factors and 24 positive divisors. There are 55594752 positive integers (up to 129721312) that are relatively prime to 129721312.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred twenty-one thousand three hundred twelve

Notation

Scientific notation 1.29721312 × 10^8
Engineering notation 1.29721312 × 10^6

Prime Factorization of 129721312

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 579113

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 8107582
Product of the distinct prime numbers

The prime factorization of 129721312 is 2 × 2 × 2 × 2 × 2 × 7 × 579113. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 6, 26, 22, 165, 966, 6137, 4291, 25484, 69974, 78161, 887945, 3865480, 2024892, 82554799, 67614519, 801575007, 5429479, 9002763994, 4411978321

Basic calculations (n = 129721312)

Multiplication

n×y
n×2 259442624
n×3 389163936
n×4 518885248
n×5 648606560

Division

n÷y
n÷2 64860656
n÷3 43240437.333333
n÷3 32430328
n÷5 25944262.4

Exponentiation

ny
n2 16827618787001344
n3 2.1829007868857E+24
n4 2.8316875404064E+32
n5 3.6733022291557E+40

Nth Root

y√n
2√n 11389.526416845
3√n 506.21744886473
4√n 106.72172420292
5√n 41.937473829202

Divisors of 129721312

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 579113, 1158226, 2316452, 4053791, 4632904, 8107582, 9265808, 16215164, 18531616, 32430328, 64860656, 129721312

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129721311
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129721312 can be divided by 24 positive divisors. The sum of these divisors (counting 129721312) is 1, the average is 0.041666666666667.

Base conversion 129721312

Base System Value
2 Binary 111101110110110001111100000
3 Ternary 100001002112012001
4 Quaternary 13232312033200
5 Quinary 231202040222
6 Senary 20512213344
8 Octal 756661740
10 Decimal 129721312
12 Duodecimal 3753a254
16 Hexadecimal 7bb63e0
20 Vigesimal 20af35c
36 Base36 258dls

Cryptographic Hash Functions

md5 7e365f442e25b763046bf0983f06b25f
sha1 491d91c15aa9f9590aad32da9acf20a1eaec05e9
sha256 75ff830b17db59c158b737040396453551efab4a1e33835f2258a83d9abd6ac3
sha512 e87b1b1278a3b99770edacfef511fc4efdce69c1661535a78c4e14b3b6603fa08ba77c4c2eb70610e4ec9258e2617c47be489fa752d07f87e99c0d563cb63599
ripemd-160 1d2611c9435614202f52a4b0d6dbeef69d3c2dc2

129721312 as geometric shapes

Circle

Radius = n
Diameter 259442624
Circumference 815063041.58646
Area 5.2865523558653E+16

Sphere

Radius = n
Volume 9.1437134341272E+24
Surface area 2.1146209423461E+17
Circumference 815063041.58646

Square

Length = n
Perimeter 518885248
Area 16827618787001344
Diagonal 183453638.75923

Cube

Length = n
Surface area 100965712722008064
Volume 2.1829007868857E+24
Space diagonal 224683903.20849

Equilateral Triangle

Length = n
Perimeter 389163936
Area 7.2865726773717E+15
Altitude 112341951.60425

Triangular Pyramid

Length = n
Surface area 7.2865726773717E+15
Volume 2.5725732484405E+23
Height 61151212.919744