129462918 (number)

129462918 is an even 9-digits composite number following 129462917 and preceding 129462919. In scientific notation, it is written as 1.29462918 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 39732000 positive integers (up to 129462918) that are relatively prime to 129462918.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million four hundred sixty-two thousand nine hundred eighteen

Notation

Scientific notation 1.29462918 × 10^8
Engineering notation 1.29462918 × 10^6

Prime Factorization of 129462918

Prime Factorization 2 × 39 × 431 × 3851

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129462918
Product of the distinct prime numbers

The prime factorization of 129462918 is 2 × 39 × 431 × 3851. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129462918)

Multiplication

n×y
n×2 258925836
n×3 388388754
n×4 517851672
n×5 647314590

Division

n÷y
n÷2 64731459
n÷3 43154306
n÷3 32365729.5
n÷5 25892583.6

Exponentiation

ny
n2 16760647137074724
n3 2.169882285934E+24
n4 2.8091929245353E+32
n5 3.636863132353E+40

Nth Root

y√n
2√n 11378.177270547
3√n 505.88111117894
4√n 106.66853927259
5√n 41.920753313732

Divisors of 129462918

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 -129462917
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 129462918 can be divided by 16 positive divisors. The sum of these divisors (counting 129462918) is 1, the average is 0.0625.

Base conversion 129462918

Base System Value
2 Binary 111101101110111001010000110
3 Ternary 100000121101201220
4 Quaternary 13231313022012
5 Quinary 231120303133
6 Senary 20502501210
8 Octal 755671206
10 Decimal 129462918
12 Duodecimal 37434806
16 Hexadecimal 7b77286
20 Vigesimal 2092h5i
36 Base36 252u86

Cryptographic Hash Functions

md5 5ee20c0b6a47bc43e18f708602dbc33a
sha1 984f980b8c207e9fb48ae8b1244fd5217690cab8
sha256 5facd0d0fe028c6caf0455ead59ae300dc460e6b9295ec6bdde3a145c3ad7812
sha512 7c435b796fc4f3a1b93848bfd3ce67d4e7a1dd23114e8ec910a1772f5ce92fcc895d1b0b2fe5a008e122e9c1ae176c137cd6a972522620519a3347102b364945
ripemd-160 e0a5fc5f06aabefabbeac1686b2e07f624f4dd40

129462918 as geometric shapes

Circle

Radius = n
Diameter 258925836
Circumference 813439504.2022
Area 5.2655125915245E+16

Sphere

Radius = n
Volume 9.08918166486E+24
Surface area 2.1062050366098E+17
Circumference 813439504.2022

Square

Length = n
Perimeter 517851672
Area 16760647137074724
Diagonal 183088214.46

Cube

Length = n
Surface area 100563882822448344
Volume 2.169882285934E+24
Space diagonal 224236351.67212

Equilateral Triangle

Length = n
Perimeter 388388754
Area 7.2575731022868E+15
Altitude 112118175.83606

Triangular Pyramid

Length = n
Surface area 7.2575731022868E+15
Volume 2.5572307979342E+23
Height 61029404.819999