129639742 (number)

129639742 is an even 9-digits composite number following 129639741 and preceding 129639743. In scientific notation, it is written as 1.29639742 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 64819870 positive integers (up to 129639742) that are relatively prime to 129639742.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred thirty-nine thousand seven hundred forty-two

Notation

Scientific notation 1.29639742 × 10^8
Engineering notation 1.29639742 × 10^6

Prime Factorization of 129639742

Prime Factorization 2 × 64819871

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129639742
Product of the distinct prime numbers

The prime factorization of 129639742 is 2 × 64819871. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129639742)

Multiplication

n×y
n×2 259279484
n×3 388919226
n×4 518558968
n×5 648198710

Division

n÷y
n÷2 64819871
n÷3 43213247.333333
n÷3 32409935.5
n÷5 25927948.4

Exponentiation

ny
n2 16806462705826564
n3 2.178785489116E+24
n4 2.8245718868234E+32
n5 3.6617677066824E+40

Nth Root

y√n
2√n 11385.94493224
3√n 506.11132182809
4√n 106.70494333554
5√n 41.932198365309

Divisors of 129639742

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129639741
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129639742 can be divided by 4 positive divisors. The sum of these divisors (counting 129639742) is 1, the average is 0.25.

Base conversion 129639742

Base System Value
2 Binary 111101110100010010100111110
3 Ternary 100000221101021221
4 Quaternary 13232202110332
5 Quinary 231141432432
6 Senary 20510343554
8 Octal 756422476
10 Decimal 129639742
12 Duodecimal 374babba
16 Hexadecimal 7ba253e
20 Vigesimal 20a4j72
36 Base36 256mny

Cryptographic Hash Functions

md5 d543ca31a328154e433504a79f01b754
sha1 a03d2fbda7d33ef0526f1a4766fcce136ebb4759
sha256 82d021dc959967a20cabc5a8183865a0e1beb8a47d0dd7f6d2e84b1f6040e67b
sha512 862a3e240b5c9a00d105053ae5d6dc62a506429c61094525b1ddf6b04af585aa52ff7c9758ff6bcaa43bef0b09e209fcec31c72e3b2e2e348afd7b6d5e8a0451
ripemd-160 fa052dce6647c098445b504c427bd5794543a500

129639742 as geometric shapes

Circle

Radius = n
Diameter 259279484
Circumference 814550522.16095
Area 5.2799059769456E+16

Sphere

Radius = n
Volume 9.1264753151397E+24
Surface area 2.1119623907782E+17
Circumference 814550522.16095

Square

Length = n
Perimeter 518558968
Area 16806462705826564
Diagonal 183338281.35895

Cube

Length = n
Surface area 100838776234959384
Volume 2.178785489116E+24
Space diagonal 224542619.82412

Equilateral Triangle

Length = n
Perimeter 388919226
Area 7.2774118255008E+15
Altitude 112271309.91206

Triangular Pyramid

Length = n
Surface area 7.2774118255008E+15
Volume 2.5677233235079E+23
Height 61112760.452983