129639738 (number)

129639738 is an even 9-digits composite number following 129639737 and preceding 129639739. In scientific notation, it is written as 1.29639738 × 10^8. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 43213244 positive integers (up to 129639738) that are relatively prime to 129639738.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred thirty-nine thousand seven hundred thirty-eight

Notation

Scientific notation 1.29639738 × 10^8
Engineering notation 1.29639738 × 10^6

Prime Factorization of 129639738

Prime Factorization 2 × 3 × 21606623

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129639738
Product of the distinct prime numbers

The prime factorization of 129639738 is 2 × 3 × 21606623. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 5, 21, 66, 465, 992, 501, 197, 51509, 87602, 102989, 265632, 7044795, 8092766, 14255628, 10504376, 248501469, 33281170, 6737989016, 3384698204

Basic calculations (n = 129639738)

Multiplication

n×y
n×2 259279476
n×3 388919214
n×4 518558952
n×5 648198690

Division

n÷y
n÷2 64819869
n÷3 43213246
n÷3 32409934.5
n÷5 25927947.6

Exponentiation

ny
n2 16806461668708644
n3 2.1787852874384E+24
n4 2.8245715382177E+32
n5 3.661767141768E+40

Nth Root

y√n
2√n 11385.944756585
3√n 506.11131662278
4√n 106.70494251245
5√n 41.932198106548

Divisors of 129639738

1, 2, 3, 6, 21606623, 43213246, 64819869, 129639738

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129639737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129639738 can be divided by 8 positive divisors. The sum of these divisors (counting 129639738) is 1, the average is 0.125.

Base conversion 129639738

Base System Value
2 Binary 111101110100010010100111010
3 Ternary 100000221101021210
4 Quaternary 13232202110322
5 Quinary 231141432423
6 Senary 20510343550
8 Octal 756422472
10 Decimal 129639738
12 Duodecimal 374babb6
16 Hexadecimal 7ba253a
20 Vigesimal 20a4j6i
36 Base36 256mnu

Cryptographic Hash Functions

md5 9684588e3d3115ec18afb752729b9b74
sha1 3015cd337a7101d4360cbf7b441520e6d6afa606
sha256 0cbe1663dd78cbddd62328fb74d4a72b5736711021dae8bc644f42b3030dd795
sha512 e066a434ea1dbd0034a340ceeaf0a6eacb10ddc0f1cec2c1132fdceee4a573f67cb2d64e95698e42c8017cc211ea62ee5c7713148402d89435b669d3ba188770
ripemd-160 524517e23cf1ff3c9860ba88df0bdb21eba25556

129639738 as geometric shapes

Circle

Radius = n
Diameter 259279476
Circumference 814550497.02821
Area 5.2799056511254E+16

Sphere

Radius = n
Volume 9.1264744703548E+24
Surface area 2.1119622604501E+17
Circumference 814550497.02821

Square

Length = n
Perimeter 518558952
Area 16806461668708644
Diagonal 183338275.70209

Cube

Length = n
Surface area 100838770012251864
Volume 2.1787852874384E+24
Space diagonal 224542612.89592

Equilateral Triangle

Length = n
Perimeter 388919214
Area 7.2774113764155E+15
Altitude 112271306.44796

Triangular Pyramid

Length = n
Surface area 7.2774113764155E+15
Volume 2.5677230858287E+23
Height 61112758.567365