128420709 (number)

128420709 is an odd 9-digits composite number following 128420708 and preceding 128420710. In scientific notation, it is written as 1.28420709 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 83503728 positive integers (up to 128420709) that are relatively prime to 128420709.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred twenty thousand seven hundred nine

Notation

Scientific notation 1.28420709 × 10^8
Engineering notation 1.28420709 × 10^6

Prime Factorization of 128420709

Prime Factorization 3 × 103 × 67 × 6203

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128420709
Product of the distinct prime numbers

The prime factorization of 128420709 is 3 × 103 × 67 × 6203. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 50, 43, 225, 6, 7364, 3630, 78423, 88368, 513816, 500389, 4788603, 5043941, 99756060, 62198581, 350030218, 604209306, 8438253191, 2037749651

Basic calculations (n = 128420709)

Multiplication

n×y
n×2 256841418
n×3 385262127
n×4 513682836
n×5 642103545

Division

n÷y
n÷2 64210354.5
n÷3 42806903
n÷3 32105177.25
n÷5 25684141.8

Exponentiation

ny
n2 16491878500062681
n3 2.1178987297199E+24
n4 2.7198205646083E+32
n5 3.4928128525978E+40

Nth Root

y√n
2√n 11332.286132992
3√n 504.51996209455
4√n 106.45321100367
5√n 41.853040400649

Divisors of 128420709

1, 3, 67, 103, 201, 309, 6203, 6901, 18609, 20703, 415601, 638909, 1246803, 1916727, 42806903, 128420709

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 -128420708
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 128420709 can be divided by 16 positive divisors. The sum of these divisors (counting 128420709) is 1, the average is 0.0625.

Base conversion 128420709

Base System Value
2 Binary 111101001111000101101100101
3 Ternary 22221122110002120
4 Quaternary 13221320231211
5 Quinary 230333430314
6 Senary 20424300153
8 Octal 751705545
10 Decimal 128420709
12 Duodecimal 37011659
16 Hexadecimal 7a78b65
20 Vigesimal 202cbf9
36 Base36 24gi1x

Cryptographic Hash Functions

md5 38bd8baa506607e60e94be8ae4264c71
sha1 457780cacd0400fe4f85e2d8411b352ae7a835b1
sha256 05bb8476bb80c7b52b3ba8c66d0e290f5500f8bf30ae6a408b86f1e41a71c4f0
sha512 8a501c370ad7d3c6edc8228a407303d55822a223059e3dc605bd9c8d60e815926256636fb6ce9051475db72c9ef0419fc3c59ae51c11fd31631b844e8511dede
ripemd-160 901a6a319efbbcb11c8551abfa94057ecba49cc8

128420709 as geometric shapes

Circle

Radius = n
Diameter 256841418
Circumference 806891111.92639
Area 5.1810764339692E+16

Sphere

Radius = n
Volume 8.8714334537803E+24
Surface area 2.0724305735877E+17
Circumference 806891111.92639

Square

Length = n
Perimeter 513682836
Area 16491878500062681
Diagonal 181614308.35737

Cube

Length = n
Surface area 98951271000376086
Volume 2.1178987297199E+24
Space diagonal 222431192.73202

Equilateral Triangle

Length = n
Perimeter 385262127
Area 7.1411928685903E+15
Altitude 111215596.36601

Triangular Pyramid

Length = n
Surface area 7.1411928685903E+15
Volume 2.4959675894189E+23
Height 60538102.78579