129387620 (number)

129387620 is an even 9-digits composite number following 129387619 and preceding 129387621. In scientific notation, it is written as 1.29387620 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 51755040 positive integers (up to 129387620) that are relatively prime to 129387620.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million three hundred eighty-seven thousand six hundred twenty

Notation

Scientific notation 1.29387620 × 10^8
Engineering notation 1.29387620 × 10^6

Prime Factorization of 129387620

Prime Factorization 2 × 2 × 5 × 6469381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64693810
Product of the distinct prime numbers

The prime factorization of 129387620 is 2 × 2 × 5 × 6469381. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 68, 64, 990, 532, 2418, 5071, 69629, 94399, 726169, 14602, 3018891, 3243390, 21483223, 84228925, 645053069, 49418135, 8866385344, 7284837587

Basic calculations (n = 129387620)

Multiplication

n×y
n×2 258775240
n×3 388162860
n×4 517550480
n×5 646938100

Division

n÷y
n÷2 64693810
n÷3 43129206.666667
n÷3 32346905
n÷5 25877524

Exponentiation

ny
n2 16741156209264400
n3 2.1660983579649E+24
n4 2.8026631122299E+32
n5 3.6262990975322E+40

Nth Root

y√n
2√n 11374.867911321
3√n 505.78301559076
4√n 106.65302579543
5√n 41.915875803553

Divisors of 129387620

1, 2, 4, 5, 10, 20, 6469381, 12938762, 25877524, 32346905, 64693810, 129387620

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129387619
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129387620 can be divided by 12 positive divisors. The sum of these divisors (counting 129387620) is 1, the average is 0.083333333333333.

Base conversion 129387620

Base System Value
2 Binary 111101101100100110001100100
3 Ternary 100000110120110002
4 Quaternary 13231210301210
5 Quinary 231110400440
6 Senary 20501120432
8 Octal 755446144
10 Decimal 129387620
12 Duodecimal 373b9118
16 Hexadecimal 7b64c64
20 Vigesimal 208d910
36 Base36 25184k

Cryptographic Hash Functions

md5 5e7a85aafa1c38286c4607f99b8dd3bd
sha1 77cc81f3951806db9e89bfad01947e2a725313d8
sha256 a07161ac0efa3bcd73280c3ce41dda0156911673674bad47651f9fa2ea284b07
sha512 61da950ebc92251582e569fe0cb435fa520076bc1653dfb262efc847b3761f7eb2324b8d9ab6dbd3b78f4ee77d5c284d164272264b166da1fa18e213fe60bb6c
ripemd-160 74ac56e185800129d9607be7ad43610b01173688

129387620 as geometric shapes

Circle

Radius = n
Diameter 258775240
Circumference 812966392.91494
Area 5.2593893359624E+16

Sphere

Radius = n
Volume 9.0733315844474E+24
Surface area 2.103755734385E+17
Circumference 812966392.91494

Square

Length = n
Perimeter 517550480
Area 16741156209264400
Diagonal 182981727.00718

Cube

Length = n
Surface area 100446937255586400
Volume 2.1660983579649E+24
Space diagonal 224105931.71042

Equilateral Triangle

Length = n
Perimeter 388162860
Area 7.2491332829733E+15
Altitude 112052965.85521

Triangular Pyramid

Length = n
Surface area 7.2491332829733E+15
Volume 2.5527713960568E+23
Height 60993909.002392