128423 (number)

128423 is an odd 6-digits composite number following 128422 and preceding 128424. In scientific notation, it is written as 1.28423 × 10^5. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 127488 positive integers (up to 128423) that are relatively prime to 128423.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand four hundred twenty-three

Notation

Scientific notation 1.28423 × 10^5
Engineering notation 1.28423 × 10^3

Prime Factorization of 128423

Prime Factorization 769 × 167

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128423
Product of the distinct prime numbers

The prime factorization of 128423 is 769 × 167. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 75, 68, 884, 765, 7823, 3359, 76089, 67771, 941346, 687931, 4768522, 5661318, 43025332, 52490773, 321728377, 428997612, 9562078412, 3868254890

Basic calculations (n = 128423)

Multiplication

n×y
n×2 256846
n×3 385269
n×4 513692
n×5 642115

Division

n÷y
n÷2 64211.5
n÷3 42807.666666667
n÷3 32105.75
n÷5 25684.6

Exponentiation

ny
n2 16492466929
n3 2118012080422967
n4 2.7200146540416E+20
n5 3.4931244191598E+25

Nth Root

y√n
2√n 358.3615492767
3√n 50.452296225542
4√n 18.930439753918
5√n 10.513045939711

Divisors of 128423

1, 167, 769, 128423

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 -128422
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 128423 can be divided by 4 positive divisors. The sum of these divisors (counting 128423) is 1, the average is 0.25.

Base conversion 128423

Base System Value
2 Binary 11111010110100111
3 Ternary 20112011102
4 Quaternary 133112213
5 Quinary 13102143
6 Senary 2430315
8 Octal 372647
10 Decimal 128423
12 Duodecimal 6239b
16 Hexadecimal 1f5a7
20 Vigesimal g113
36 Base36 2r3b

Cryptographic Hash Functions

md5 2efdbd08ff1ffbe3d6feb907fa10bd49
sha1 dd1ce9c0b1784a2f2078488d5d4f6860bf03dd39
sha256 9e0a0fdb29a68d774fe6fb2f5571315f1e9de1df4e8d4e36a79e866ced0ead34
sha512 c38d5bcf3b29efdd788f5525ffed67d1ebd4c86ce4862f51ea6a1d04a5a07c25764f59ab29e8191f6dc22527d1271305670cab2fc33f51d68f8f7e7a9cae2b4d
ripemd-160 dad6d7ee726d95054639f7f3b99d9a447a61ede0

128423 as geometric shapes

Circle

Radius = n
Diameter 256846
Circumference 806905.50670392
Area 51812612943.719

Sphere

Radius = n
Volume 8.871908256095E+15
Surface area 207250451774.88
Circumference 806905.50670392

Square

Length = n
Perimeter 513692
Area 16492466929
Diagonal 181617.54832064

Cube

Length = n
Surface area 98954801574
Volume 2118012080422967
Space diagonal 222435.16086042

Equilateral Triangle

Length = n
Perimeter 385269
Area 7141447665.7944
Altitude 111217.58043021

Triangular Pyramid

Length = n
Surface area 7141447665.7944
Volume 2.4961011745035E+14
Height 60539.182773547