128021243 (number)

128021243 is an odd 9-digits composite number following 128021242 and preceding 128021244. In scientific notation, it is written as 1.28021243 × 10^8. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 104714016 positive integers (up to 128021243) that are relatively prime to 128021243.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million twenty-one thousand two hundred forty-three

Notation

Scientific notation 1.28021243 × 10^8
Engineering notation 1.28021243 × 10^6

Prime Factorization of 128021243

Prime Factorization 7 × 23 × 647 × 1229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128021243
Product of the distinct prime numbers

The prime factorization of 128021243 is 7 × 23 × 647 × 1229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 32, 90, 350, 751, 1977, 3598, 92463, 47728, 379346, 437049, 2559091, 3287789, 22239332, 18425168, 498915265, 536323973, 6566962129, 9164551608

Basic calculations (n = 128021243)

Multiplication

n×y
n×2 256042486
n×3 384063729
n×4 512084972
n×5 640106215

Division

n÷y
n÷2 64010621.5
n÷3 42673747.666667
n÷3 32005310.75
n÷5 25604248.6

Exponentiation

ny
n2 16389438659265049
n3 2.0981963092314E+24
n4 2.6861369956581E+32
n5 3.4388259705244E+40

Nth Root

y√n
2√n 11314.647276871
3√n 503.99629810626
4√n 106.37033081114
5√n 41.826970294063

Divisors of 128021243

1, 7, 23, 161, 647, 1229, 4529, 8603, 14881, 28267, 104167, 197869, 795163, 5566141, 18288749, 128021243

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 -128021242
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 128021243 can be divided by 16 positive divisors. The sum of these divisors (counting 128021243) is 1, the average is 0.0625.

Base conversion 128021243

Base System Value
2 Binary 111101000010111001011111011
3 Ternary 22220220011010112
4 Quaternary 13220113023323
5 Quinary 230233134433
6 Senary 20411534535
8 Octal 750271373
10 Decimal 128021243
12 Duodecimal 36a5a44b
16 Hexadecimal 7a172fb
20 Vigesimal 2002d23
36 Base36 247xtn

Cryptographic Hash Functions

md5 a44906f0a90a0c940feadacc413f107e
sha1 3ea13eb8d3206c44d7a6e1ffe58244984aa6d8a7
sha256 79ff9f7ed55e76dba544f499d88890dea6ed642249a5ba0771243579fab76e5c
sha512 940d3c7da82d2b6466f04c7ec5612683952e054d07647d35d66b4dd7d4a10950a4b35831cb93efac37c76c15a4c88acdbf2fb318d894a17fd22ec7196577e216
ripemd-160 09ae039f58e34216cdf16256b4b30393a0f764a5

128021243 as geometric shapes

Circle

Radius = n
Diameter 256042486
Circumference 804381193.02447
Area 5.1488940088408E+16

Sphere

Radius = n
Volume 8.7889041478273E+24
Surface area 2.0595576035363E+17
Circumference 804381193.02447

Square

Length = n
Perimeter 512084972
Area 16389438659265049
Diagonal 181049378.12246

Cube

Length = n
Surface area 98336631955590294
Volume 2.0981963092314E+24
Space diagonal 221739297.32412

Equilateral Triangle

Length = n
Perimeter 384063729
Area 7.0968351163452E+15
Altitude 110869648.66206

Triangular Pyramid

Length = n
Surface area 7.0968351163452E+15
Volume 2.4727480641968E+23
Height 60349792.707487