129440918 (number)

129440918 is an even 9-digits composite number following 129440917 and preceding 129440919. In scientific notation, it is written as 1.29440918 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 60981096 positive integers (up to 129440918) that are relatively prime to 129440918.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million four hundred forty thousand nine hundred eighteen

Notation

Scientific notation 1.29440918 × 10^8
Engineering notation 1.29440918 × 10^6

Prime Factorization of 129440918

Prime Factorization 2 × 23 × 67 × 41999

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129440918
Product of the distinct prime numbers

The prime factorization of 129440918 is 2 × 23 × 67 × 41999. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129440918)

Multiplication

n×y
n×2 258881836
n×3 388322754
n×4 517763672
n×5 647204590

Division

n÷y
n÷2 64720459
n÷3 43146972.666667
n÷3 32360229.5
n÷5 25888183.6

Exponentiation

ny
n2 16754951252682724
n3 2.1687762711925E+24
n4 2.8072839147977E+32
n5 3.6337740701805E+40

Nth Root

y√n
2√n 11377.210466542
3√n 505.85245428605
4√n 106.6640073621
5√n 41.919328474431

Divisors of 129440918

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 -129440917
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 129440918 can be divided by 16 positive divisors. The sum of these divisors (counting 129440918) is 1, the average is 0.0625.

Base conversion 129440918

Base System Value
2 Binary 111101101110001110010010110
3 Ternary 100000120021120002
4 Quaternary 13231301302112
5 Quinary 231114102133
6 Senary 20502211302
8 Octal 755616226
10 Decimal 129440918
12 Duodecimal 37423b32
16 Hexadecimal 7b71c96
20 Vigesimal 209025i
36 Base36 252d92

Cryptographic Hash Functions

md5 b2db271b8dcb62548eeaf2790480e746
sha1 fd05e04ccf5f86a3dc13d54684dbde4b837ffb1f
sha256 a968961b2829b4aee5f4a236c8588b1b92ca6f3cb18d5c0b0a20ac60d5deddac
sha512 67ee4dd2dfe69ea1a5b2f87fb85a7f0831142d1cc5128c3bbaaf2a26df33c42f786d1c5b5478eac81342da6570e64bbd49cfbda03cd29226656c06489cb4483a
ripemd-160 56677ccce6ff255fccee2fbf74418dc4c5ee36fb

129440918 as geometric shapes

Circle

Radius = n
Diameter 258881836
Circumference 813301274.12544
Area 5.2637231766683E+16

Sphere

Radius = n
Volume 9.0845488011443E+24
Surface area 2.1054892706673E+17
Circumference 813301274.12544

Square

Length = n
Perimeter 517763672
Area 16754951252682724
Diagonal 183057101.76162

Cube

Length = n
Surface area 100529707516096344
Volume 2.1687762711925E+24
Space diagonal 224198246.55436

Equilateral Triangle

Length = n
Perimeter 388322754
Area 7.2551067119966E+15
Altitude 112099123.27718

Triangular Pyramid

Length = n
Surface area 7.2551067119966E+15
Volume 2.5559273470612E+23
Height 61019033.920541