128429690 (number)

128429690 is an even 9-digits composite number following 128429689 and preceding 128429691. In scientific notation, it is written as 1.28429690 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 49600320 positive integers (up to 128429690) that are relatively prime to 128429690.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred twenty-nine thousand six hundred ninety

Notation

Scientific notation 1.28429690 × 10^8
Engineering notation 1.28429690 × 10^6

Prime Factorization of 128429690

Prime Factorization 2 × 5 × 29 × 442861

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128429690
Product of the distinct prime numbers

The prime factorization of 128429690 is 2 × 5 × 29 × 442861. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 50, 76, 712, 32, 5733, 2424, 88024, 75536, 576423, 520532, 5809197, 9480260, 6437562, 3485659, 201195481, 178020411, 8533741190, 8340206568

Basic calculations (n = 128429690)

Multiplication

n×y
n×2 256859380
n×3 385289070
n×4 513718760
n×5 642148450

Division

n÷y
n÷2 64214845
n÷3 42809896.666667
n÷3 32107422.5
n÷5 25685938

Exponentiation

ny
n2 16494185273496100
n3 2.1183431014777E+24
n4 2.7205814783642E+32
n5 3.4940343588605E+40

Nth Root

y√n
2√n 11332.682383267
3√n 504.53172288763
4√n 106.45507213499
5√n 41.853625776083

Divisors of 128429690

1, 2, 5, 10, 29, 58, 145, 290, 442861, 885722, 2214305, 4428610, 12842969, 25685938, 64214845, 128429690

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 -128429689
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 128429690 can be divided by 16 positive divisors. The sum of these divisors (counting 128429690) is 1, the average is 0.0625.

Base conversion 128429690

Base System Value
2 Binary 111101001111010111001111010
3 Ternary 22221122220102012
4 Quaternary 13221322321322
5 Quinary 230334222230
6 Senary 20424405522
8 Octal 751727172
10 Decimal 128429690
12 Duodecimal 370168a2
16 Hexadecimal 7a7ae7a
20 Vigesimal 202de4a
36 Base36 24goze

Cryptographic Hash Functions

md5 50cab8cb165afd12e261665abe03f688
sha1 f7439d509f63380b7898be6d2a4c941b2aa11c95
sha256 efe2748f8186914e36e8bdab537ffafce060277d5758d1d0d4135d5f61c60f8c
sha512 8789d78d098f266e84c00d478b00287e06be81dcf1992b7f57d127ed98f176c507e94ddcabc2de28bc3e568026c4226031120891250ae34e0e6afe37e260237a
ripemd-160 5dd501fd3df1765fd63a97a0268440fc1a4375f1

128429690 as geometric shapes

Circle

Radius = n
Diameter 256859380
Circumference 806947541.21363
Area 5.1818011282164E+16

Sphere

Radius = n
Volume 8.8732948338465E+24
Surface area 2.0727204512866E+17
Circumference 806947541.21363

Square

Length = n
Perimeter 513718760
Area 16494185273496100
Diagonal 181627009.40937

Cube

Length = n
Surface area 98965111640976600
Volume 2.1183431014777E+24
Space diagonal 222446748.28032

Equilateral Triangle

Length = n
Perimeter 385289070
Area 7.1421917307874E+15
Altitude 111223374.14016

Triangular Pyramid

Length = n
Surface area 7.1421917307874E+15
Volume 2.4964912865577E+23
Height 60542336.469791