129449940 (number)

129449940 is an even 9-digits composite number following 129449939 and preceding 129449941. In scientific notation, it is written as 1.29449940 × 10^8. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 34519968 positive integers (up to 129449940) that are relatively prime to 129449940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29449940 × 10^8
Engineering notation 1.29449940 × 10^6

Prime Factorization of 129449940

Prime Factorization 2 × 2 × 5 × 3 × 2157499

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64724970
Product of the distinct prime numbers

The prime factorization of 129449940 is 2 × 2 × 5 × 3 × 2157499. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 9, 83, 65, 288, 764, 899, 3797, 15102, 88785, 960899, 256145, 8967805, 5575219, 48170696, 41704793, 832038659, 361577096, 9578567703, 5203021310

Basic calculations (n = 129449940)

Multiplication

n×y
n×2 258899880
n×3 388349820
n×4 517799760
n×5 647249700

Division

n÷y
n÷2 64724970
n÷3 43149980
n÷3 32362485
n÷5 25889988

Exponentiation

ny
n2 16757286966003600
n3 2.1692297923119E+24
n4 2.8080666646099E+32
n5 3.6350406124976E+40

Nth Root

y√n
2√n 11377.606954013
3√n 505.86420661003
4√n 106.66586592726
5√n 41.919912811507

Divisors of 129449940

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2157499, 4314998, 6472497, 8629996, 10787495, 12944994, 21574990, 25889988, 32362485, 43149980, 64724970, 129449940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129449939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129449940 can be divided by 24 positive divisors. The sum of these divisors (counting 129449940) is 1, the average is 0.041666666666667.

Base conversion 129449940

Base System Value
2 Binary 111101101110011111111010100
3 Ternary 100000120201221020
4 Quaternary 13231303333110
5 Quinary 231114344230
6 Senary 20502321140
8 Octal 755637724
10 Decimal 129449940
12 Duodecimal 374291b0
16 Hexadecimal 7b73fd4
20 Vigesimal 20914h0
36 Base36 252k7o

Cryptographic Hash Functions

md5 2bd2e1dfe27f355180bd86aa04366ba4
sha1 0e191869346bd2ffcecf21044c2887ca23d45eb9
sha256 4508f9c3c24f1e2442d99b2d5200af0d924097b87eabf2e7b1aa5456020e117e
sha512 4eed061eb3c405a8c76f2500c40c887711123d3baf15bf782bf3cc065a39141d27bf3cbf42bad689a7bb3cc779c2f218a3a9e7413cdf0bd3d376ce955144897d
ripemd-160 71adf677ca34c888831c08616c69781ef851ee46

129449940 as geometric shapes

Circle

Radius = n
Diameter 258899880
Circumference 813357961.02328
Area 5.2644569626493E+16

Sphere

Radius = n
Volume 9.0864485059671E+24
Surface area 2.1057827850597E+17
Circumference 813357961.02328

Square

Length = n
Perimeter 517799760
Area 16757286966003600
Diagonal 183069860.79638

Cube

Length = n
Surface area 100543721796021600
Volume 2.1692297923119E+24
Space diagonal 224213873.11674

Equilateral Triangle

Length = n
Perimeter 388349820
Area 7.2561181055325E+15
Altitude 112106936.55837

Triangular Pyramid

Length = n
Surface area 7.2561181055325E+15
Volume 2.5564618268261E+23
Height 61023286.932128