128429387 (number)

128429387 is an odd 9-digits composite number following 128429386 and preceding 128429388. In scientific notation, it is written as 1.28429387 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 127448880 positive integers (up to 128429387) that are relatively prime to 128429387.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28429387 × 10^8
Engineering notation 1.28429387 × 10^6

Prime Factorization of 128429387

Prime Factorization 131 × 980377

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128429387
Product of the distinct prime numbers

The prime factorization of 128429387 is 131 × 980377. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 54, 62, 160, 820, 2661, 2358, 77426, 12913, 90248, 176865, 8700810, 3193932, 6483383, 63248542, 215892345, 250419466, 4023183104, 7487581994

Basic calculations (n = 128429387)

Multiplication

n×y
n×2 256858774
n×3 385288161
n×4 513717548
n×5 642146935

Division

n÷y
n÷2 64214693.5
n÷3 42809795.666667
n÷3 32107346.75
n÷5 25685877.4

Exponentiation

ny
n2 16494107445195769
n3 2.1183281082986E+24
n4 2.7205558041366E+32
n5 3.4939931422456E+40

Nth Root

y√n
2√n 11332.669014844
3√n 504.53132611221
4√n 106.45500934594
5√n 41.853606027284

Divisors of 128429387

1, 131, 980377, 128429387

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128429386
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128429387 can be divided by 4 positive divisors. The sum of these divisors (counting 128429387) is 1, the average is 0.25.

Base conversion 128429387

Base System Value
2 Binary 111101001111010110101001011
3 Ternary 22221122212222222
4 Quaternary 13221322311023
5 Quinary 230334220022
6 Senary 20424404255
8 Octal 751726513
10 Decimal 128429387
12 Duodecimal 3701668b
16 Hexadecimal 7a7ad4b
20 Vigesimal 202dd97
36 Base36 24goqz

Cryptographic Hash Functions

md5 3f60394efa933ffafb3376d277d73368
sha1 3b0e1ef7ef0559f7941e527d3917f59c8fceb329
sha256 9180048c6e9a9bfbaf4fae3e712b0dc2b23637b6e984024c1eb0d43a097c7aaf
sha512 22999628aa27ccf91dfeff1426d47c3bb04c0301e3485e17e5cf7c296595442948eb9ddefdb126ce620cfa5c079def66c3b88c6b02d54653619c760e96ab77a0
ripemd-160 848f00abbfa91ed51683a3dcf7c27c5cb79cc6e1

128429387 as geometric shapes

Circle

Radius = n
Diameter 256858774
Circumference 806945637.40848
Area 5.1817766777348E+16

Sphere

Radius = n
Volume 8.873232030565E+24
Surface area 2.0727106710939E+17
Circumference 806945637.40848

Square

Length = n
Perimeter 513717548
Area 16494107445195769
Diagonal 181626580.90266

Cube

Length = n
Surface area 98964644671174614
Volume 2.1183281082986E+24
Space diagonal 222446223.46893

Equilateral Triangle

Length = n
Perimeter 385288161
Area 7.1421580301448E+15
Altitude 111223111.73446

Triangular Pyramid

Length = n
Surface area 7.1421580301448E+15
Volume 2.4964736169267E+23
Height 60542193.634221