128429457 (number)

128429457 is an odd 9-digits composite number following 128429456 and preceding 128429458. In scientific notation, it is written as 1.28429457 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 78587712 positive integers (up to 128429457) that are relatively prime to 128429457.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28429457 × 10^8
Engineering notation 1.28429457 × 10^6

Prime Factorization of 128429457

Prime Factorization 13 × 3 × 179 × 18397

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128429457
Product of the distinct prime numbers

The prime factorization of 128429457 is 13 × 3 × 179 × 18397. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 85, 25, 56, 876, 7863, 1941, 64496, 45795, 877874, 308135, 2729810, 9913196, 81034249, 98764398, 838545582, 645068659, 5929777340, 2321498512

Basic calculations (n = 128429457)

Multiplication

n×y
n×2 256858914
n×3 385288371
n×4 513717828
n×5 642147285

Division

n÷y
n÷2 64214728.5
n÷3 42809819
n÷3 32107364.25
n÷5 25685891.4

Exponentiation

ny
n2 16494125425314849
n3 2.1183315720631E+24
n4 2.7205617354602E+32
n5 3.4940026642013E+40

Nth Root

y√n
2√n 11332.67210326
3√n 504.53141777655
4√n 106.45502385167
5√n 41.853610589716

Divisors of 128429457

1, 3, 13, 39, 179, 537, 2327, 6981, 18397, 55191, 239161, 717483, 3293063, 9879189, 42809819, 128429457

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 -128429456
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 128429457 can be divided by 16 positive divisors. The sum of these divisors (counting 128429457) is 1, the average is 0.0625.

Base conversion 128429457

Base System Value
2 Binary 111101001111010110110010001
3 Ternary 22221122220002120
4 Quaternary 13221322312101
5 Quinary 230334220312
6 Senary 20424404453
8 Octal 751726621
10 Decimal 128429457
12 Duodecimal 37016729
16 Hexadecimal 7a7ad91
20 Vigesimal 202ddch
36 Base36 24gosx

Cryptographic Hash Functions

md5 78fa1e8c7fd390613869ac6108ffb5ba
sha1 ccbf8e44a472b3d77dbc2917e904cb345a453faa
sha256 de4bd8a4ac6cd47e1cd2b9e0bae3dc1eb417a5f65da7e33a8189a35a071a1d87
sha512 dce1c299edc601a883d176ea4a8ef7874f1fe400ddb108cbb7d427d38bec30826575180480e11f926a6c07b26f7289caf6599ad0e1b022395b6827541644f813
ripemd-160 1b9320285883ff5cfc55760290050fc70575740f

128429457 as geometric shapes

Circle

Radius = n
Diameter 256858914
Circumference 806946077.23145
Area 5.1817823263558E+16

Sphere

Radius = n
Volume 8.8732465395476E+24
Surface area 2.0727129305423E+17
Circumference 806946077.23145

Square

Length = n
Perimeter 513717828
Area 16494125425314849
Diagonal 181626679.89761

Cube

Length = n
Surface area 98964752551889094
Volume 2.1183315720631E+24
Space diagonal 222446344.71248

Equilateral Triangle

Length = n
Perimeter 385288371
Area 7.1421658157647E+15
Altitude 111223172.35624

Triangular Pyramid

Length = n
Surface area 7.1421658157647E+15
Volume 2.4964776990123E+23
Height 60542226.632537