129388720 (number)

129388720 is an even 9-digits composite number following 129388719 and preceding 129388721. In scientific notation, it is written as 1.29388720 × 10^8. The sum of its digits is 40. It has a total of 8 prime factors and 80 positive divisors. There are 48771072 positive integers (up to 129388720) that are relatively prime to 129388720.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million three hundred eighty-eight thousand seven hundred twenty

Notation

Scientific notation 1.29388720 × 10^8
Engineering notation 1.29388720 × 10^6

Prime Factorization of 129388720

Prime Factorization 2 × 2 × 2 × 2 × 5 × 29 × 43 × 1297

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 16173590
Product of the distinct prime numbers

The prime factorization of 129388720 is 2 × 2 × 2 × 2 × 5 × 29 × 43 × 1297. Since it has a total of 8 prime factors.

Most popular turbo-numbers

1, 5, 61, 72, 254, 257, 9370, 4363, 83030, 21195, 264563, 811116, 1073090, 5755763, 26501840, 56295931, 101609398, 680547313, 6410172526, 3896551016

Basic calculations (n = 129388720)

Multiplication

n×y
n×2 258777440
n×3 388166160
n×4 517554880
n×5 646943600

Division

n÷y
n÷2 64694360
n÷3 43129573.333333
n÷3 32347180
n÷5 25877744

Exponentiation

ny
n2 16741440863238400
n3 2.1661536042501E+24
n4 2.8027584217731E+32
n5 3.6264532466244E+40

Nth Root

y√n
2√n 11374.916263428
3√n 505.78444890599
4√n 106.65325247468
5√n 41.915947073596

Divisors of 129388720

1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 172, 215, 232, 290, 344, 430, 464, 580, 688, 860, 1160, 1247, 1297, 1720, 2320, 2494, 2594, 3440, 4988, 5188, 6235, 6485, 9976, 10376, 12470, 12970, 19952, 20752, 24940, 25940, 37613, 49880, 51880, 55771, 75226, 99760, 103760, 111542, 150452, 188065, 223084, 278855, 300904, 376130, 446168, 557710, 601808, 752260, 892336, 1115420, 1504520, 1617359, 2230840, 3009040, 3234718, 4461680, 6469436, 8086795, 12938872, 16173590, 25877744, 32347180, 64694360, 129388720

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129388719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129388720 can be divided by 80 positive divisors. The sum of these divisors (counting 129388720) is 1, the average is 0.0125.

Base conversion 129388720

Base System Value
2 Binary 111101101100101000010110000
3 Ternary 100000110121221211
4 Quaternary 13231211002300
5 Quinary 231110414340
6 Senary 20501125504
8 Octal 755450260
10 Decimal 129388720
12 Duodecimal 373b9894
16 Hexadecimal 7b650b0
20 Vigesimal 208dbg0
36 Base36 2518z4

Cryptographic Hash Functions

md5 080cfb15835976b09f80644d1c93b1dc
sha1 592139fde8c7f0edf16a9b227f9501b99f7cf5b6
sha256 46eabee27e24042e91cb73905f2fa44fa09e145439dfd40fdad670a651fc2377
sha512 d6d3978cd34b51e8336b3a3439633d893f473f61b1fcd15885648e3fd3803a099b6144dfb8de21a64d91a6ee9c27da8cf2ad83febe648aa2764df2f4a4297e05
ripemd-160 917bd17325776b3401131f3c1d3a3c24a68018b4

129388720 as geometric shapes

Circle

Radius = n
Diameter 258777440
Circumference 812973304.41877
Area 5.2594787626458E+16

Sphere

Radius = n
Volume 9.0735629995456E+24
Surface area 2.1037915050583E+17
Circumference 812973304.41877

Square

Length = n
Perimeter 517554880
Area 16741440863238400
Diagonal 182983282.64209

Cube

Length = n
Surface area 100448645179430400
Volume 2.1661536042501E+24
Space diagonal 224107836.9663

Equilateral Triangle

Length = n
Perimeter 388166160
Area 7.2492565417597E+15
Altitude 112053918.48315

Triangular Pyramid

Length = n
Surface area 7.2492565417597E+15
Volume 2.5528365044282E+23
Height 60994427.547365