129488905 (number)

129488905 is an odd 9-digits composite number following 129488904 and preceding 129488906. In scientific notation, it is written as 1.29488905 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 81961920 positive integers (up to 129488905) that are relatively prime to 129488905.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million four hundred eighty-eight thousand nine hundred five

Notation

Scientific notation 1.29488905 × 10^8
Engineering notation 1.29488905 × 10^6

Prime Factorization of 129488905

Prime Factorization 5 × 7 × 13 × 284591

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129488905
Product of the distinct prime numbers

The prime factorization of 129488905 is 5 × 7 × 13 × 284591. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129488905)

Multiplication

n×y
n×2 258977810
n×3 388466715
n×4 517955620
n×5 647444525

Division

n÷y
n÷2 64744452.5
n÷3 43162968.333333
n÷3 32372226.25
n÷5 25897781

Exponentiation

ny
n2 16767376518099025
n3 2.1711892250514E+24
n4 2.811449152997E+32
n5 3.6405147228476E+40

Nth Root

y√n
2√n 11379.319179986
3√n 505.91495730033
4√n 106.67389174482
5√n 41.922436123257

Divisors of 129488905

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129488904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129488905 can be divided by 16 positive divisors. The sum of these divisors (counting 129488905) is 1, the average is 0.0625.

Base conversion 129488905

Base System Value
2 Binary 111101101111101100000001001
3 Ternary 100000122201101101
4 Quaternary 13231331200021
5 Quinary 231122121110
6 Senary 20503221401
8 Octal 755754011
10 Decimal 129488905
12 Duodecimal 37447861
16 Hexadecimal 7b7d809
20 Vigesimal 2096255
36 Base36 253ea1

Cryptographic Hash Functions

md5 ca39925b082cef96bd254ab6ade34c3d
sha1 a9741fe9de2be37451a2f9e0b6e5c583162997c4
sha256 d6d561a632c7c0bbbc9ed6bd58b6961c9f0b00e56f17643761cca5b29b8ab57a
sha512 235720d705d258333b12c9bc4282d01f386efb86018accf80cd5970f37a8fabf700ab2d2ca63c6d8f9fb4353d62d172b72b87f1420412fe2f57f0892652bb3bf
ripemd-160 4c87feb46d100f772ed59a8e610886f0a86cfc0e

129488905 as geometric shapes

Circle

Radius = n
Diameter 258977810
Circumference 813602785.33877
Area 5.2676266889234E+16

Sphere

Radius = n
Volume 9.0946561586329E+24
Surface area 2.1070506755694E+17
Circumference 813602785.33877

Square

Length = n
Perimeter 517955620
Area 16767376518099025
Diagonal 183124965.62784

Cube

Length = n
Surface area 100604259108594150
Volume 2.1711892250514E+24
Space diagonal 224281362.47646

Equilateral Triangle

Length = n
Perimeter 388466715
Area 7.2604870097462E+15
Altitude 112140681.23823

Triangular Pyramid

Length = n
Surface area 7.2604870097462E+15
Volume 2.558771040455E+23
Height 61041655.20928