129387655 (number)

129387655 is an odd 9-digits composite number following 129387654 and preceding 129387656. In scientific notation, it is written as 1.29387655 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 103124256 positive integers (up to 129387655) that are relatively prime to 129387655.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29387655 × 10^8
Engineering notation 1.29387655 × 10^6

Prime Factorization of 129387655

Prime Factorization 5 × 269 × 96199

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129387655
Product of the distinct prime numbers

The prime factorization of 129387655 is 5 × 269 × 96199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 8, 24, 23, 622, 899, 5442, 6075, 44052, 53102, 674089, 705687, 5278372, 383476, 60803275, 28545491, 22631052, 697771138, 2510706801, 8806550000

Basic calculations (n = 129387655)

Multiplication

n×y
n×2 258775310
n×3 388162965
n×4 517550620
n×5 646938275

Division

n÷y
n÷2 64693827.5
n÷3 43129218.333333
n÷3 32346913.75
n÷5 25877531

Exponentiation

ny
n2 16741165266399025
n3 2.1661001157868E+24
n4 2.8026661447689E+32
n5 3.6263040021953E+40

Nth Root

y√n
2√n 11374.8694498
3√n 505.78306119637
4√n 106.65303300798
5√n 41.915878071243

Divisors of 129387655

1, 5, 269, 1345, 96199, 480995, 25877531, 129387655

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 -129387654
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 129387655 can be divided by 8 positive divisors. The sum of these divisors (counting 129387655) is 1, the average is 0.125.

Base conversion 129387655

Base System Value
2 Binary 111101101100100110010000111
3 Ternary 100000110120111101
4 Quaternary 13231210302013
5 Quinary 231110401110
6 Senary 20501120531
8 Octal 755446207
10 Decimal 129387655
12 Duodecimal 373b9147
16 Hexadecimal 7b64c87
20 Vigesimal 208d92f
36 Base36 25185j

Cryptographic Hash Functions

md5 3b0eed8c04fe6b1f22dd58f7d6f28ddc
sha1 2d1b9314b3cf589205055c6249ce76579d9cbefa
sha256 8b2c376f7731bec88dce79d9cc1942105e2479ae808b2bab1fdf4e54ba49e25f
sha512 5459b019798aaab236d55c176ec1527f4af0e3060baebfb1964ff4cfca36e5c876699cb66468d159b9143394ad8daf43f5dd19fa2546635dba3f04b886cac501
ripemd-160 3f8209b70686ad76fc75e03ae2aef4b7cb118fb6

129387655 as geometric shapes

Circle

Radius = n
Diameter 258775310
Circumference 812966612.82642
Area 5.2593921813452E+16

Sphere

Radius = n
Volume 9.0733389475945E+24
Surface area 2.1037568725381E+17
Circumference 812966612.82642

Square

Length = n
Perimeter 517550620
Area 16741165266399025
Diagonal 182981776.50465

Cube

Length = n
Surface area 100446991598394150
Volume 2.1661001157868E+24
Space diagonal 224105992.33219

Equilateral Triangle

Length = n
Perimeter 388162965
Area 7.2491372048276E+15
Altitude 112052996.1661

Triangular Pyramid

Length = n
Surface area 7.2491372048276E+15
Volume 2.5527734676697E+23
Height 60993925.50155