128439221 (number)

128439221 is an odd 9-digits composite number following 128439220 and preceding 128439222. In scientific notation, it is written as 1.28439221 × 10^8. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 119683440 positive integers (up to 128439221) that are relatively prime to 128439221.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred thirty-nine thousand two hundred twenty-one

Notation

Scientific notation 1.28439221 × 10^8
Engineering notation 1.28439221 × 10^6

Prime Factorization of 128439221

Prime Factorization 19 × 61 × 110819

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128439221
Product of the distinct prime numbers

The prime factorization of 128439221 is 19 × 61 × 110819. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 7, 46, 10, 756, 664, 4877, 5853, 43296, 22215, 506727, 329000, 7737340, 880916, 34353694, 9898790, 972074069, 910230847, 7198510235, 272022328

Basic calculations (n = 128439221)

Multiplication

n×y
n×2 256878442
n×3 385317663
n×4 513756884
n×5 642196105

Division

n÷y
n÷2 64219610.5
n÷3 42813073.666667
n÷3 32109805.25
n÷5 25687844.2

Exponentiation

ny
n2 16496633491086841
n3 2.1188147547177E+24
n4 2.7213891653925E+32
n5 3.4953310444085E+40

Nth Root

y√n
2√n 11333.102884912
3√n 504.54420331668
4√n 106.45704713598
5√n 41.854246964324

Divisors of 128439221

1, 19, 61, 1159, 110819, 2105561, 6759959, 128439221

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128439220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128439221 can be divided by 8 positive divisors. The sum of these divisors (counting 128439221) is 1, the average is 0.125.

Base conversion 128439221

Base System Value
2 Binary 111101001111101001110110101
3 Ternary 22221200101111012
4 Quaternary 13221331032311
5 Quinary 230340023341
6 Senary 20424522005
8 Octal 751751665
10 Decimal 128439221
12 Duodecimal 37020305
16 Hexadecimal 7a7d3b5
20 Vigesimal 202ei11
36 Base36 24gwc5

Cryptographic Hash Functions

md5 dfd345fa4aaf768360326a1fde90ee0c
sha1 244b37ed7965b603a734e1fa1688a622cca97625
sha256 1c597952b09b62339400844cb804ab810efa0286ccffb4969915ec6763e8a354
sha512 a5ab49523e9fcb88e4864ea77630e2d3e2626d4d2cc5d943f2085a809a4459486e0425e24c3897af329d28f14dfb2e46c8d78e2c23d3ff029aee5aca36fbf3cd
ripemd-160 d58bb0a89474aa8584f187e2d731d207e8835072

128439221 as geometric shapes

Circle

Radius = n
Diameter 256878442
Circumference 807007426.25279
Area 5.1825702584562E+16

Sphere

Radius = n
Volume 8.8752704903184E+24
Surface area 2.0730281033825E+17
Circumference 807007426.25279

Square

Length = n
Perimeter 513756884
Area 16496633491086841
Diagonal 181640488.27884

Cube

Length = n
Surface area 98979800946521046
Volume 2.1188147547177E+24
Space diagonal 222463256.45657

Equilateral Triangle

Length = n
Perimeter 385317663
Area 7.1432518401012E+15
Altitude 111231628.22828

Triangular Pyramid

Length = n
Surface area 7.1432518401012E+15
Volume 2.4970471352317E+23
Height 60546829.426278