128220394 (number)

128220394 is an even 9-digits composite number following 128220393 and preceding 128220395. In scientific notation, it is written as 1.28220394 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 64072800 positive integers (up to 128220394) that are relatively prime to 128220394.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred twenty thousand three hundred ninety-four

Notation

Scientific notation 1.28220394 × 10^8
Engineering notation 1.28220394 × 10^6

Prime Factorization of 128220394

Prime Factorization 2 × 1801 × 35597

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128220394
Product of the distinct prime numbers

The prime factorization of 128220394 is 2 × 1801 × 35597. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 75, 89, 318, 159, 1275, 5865, 69034, 75370, 316150, 235763, 3847854, 178268, 21923015, 25528522, 181367979, 290795164, 9359227104, 8798351905

Basic calculations (n = 128220394)

Multiplication

n×y
n×2 256440788
n×3 384661182
n×4 512881576
n×5 641101970

Division

n÷y
n÷2 64110197
n÷3 42740131.333333
n÷3 32055098.5
n÷5 25644078.8

Exponentiation

ny
n2 16440469437515236
n3 2.1080034688232E+24
n4 2.7028903532587E+32
n5 3.4656566603363E+40

Nth Root

y√n
2√n 11323.444440628
3√n 504.25750310408
4√n 106.41167436249
5√n 41.839975486611

Divisors of 128220394

1, 2, 1801, 3602, 35597, 71194, 64110197, 128220394

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 -128220393
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 128220394 can be divided by 8 positive divisors. The sum of these divisors (counting 128220394) is 1, the average is 0.125.

Base conversion 128220394

Base System Value
2 Binary 111101001000111110011101010
3 Ternary 22221021021022111
4 Quaternary 13221013303222
5 Quinary 230311023034
6 Senary 20420112534
8 Octal 751076352
10 Decimal 128220394
12 Duodecimal 36b3574a
16 Hexadecimal 7a47cea
20 Vigesimal 2017aje
36 Base36 24c7hm

Cryptographic Hash Functions

md5 03a134cc303cc0b6b9345e20ff030656
sha1 b7894b40ca427804c9e8452452c1a390b0984a6b
sha256 0b29f153e9c4ef2aeb5dfe4aed05b79d76ab63e8961c725eb2f43792a382b0dc
sha512 62c7b41f4dd17aea8be0a4dcbc82509b18f07882847c1510e15d3ce173789a4449d1afec191145100582164a2e4e04d67b2a5d007b8a65fefee5529c9e675cc0
ripemd-160 5ef139b1f70e86074c0eb2c6943454f2f917c9fb

128220394 as geometric shapes

Circle

Radius = n
Diameter 256440788
Circumference 805632495.66158
Area 5.1649258006465E+16

Sphere

Radius = n
Volume 8.8299842818622E+24
Surface area 2.0659703202586E+17
Circumference 805632495.66158

Square

Length = n
Perimeter 512881576
Area 16440469437515236
Diagonal 181331020.16762

Cube

Length = n
Surface area 98642816625091416
Volume 2.1080034688232E+24
Space diagonal 222084236.9745

Equilateral Triangle

Length = n
Perimeter 384661182
Area 7.1189320915149E+15
Altitude 111042118.48725

Triangular Pyramid

Length = n
Surface area 7.1189320915149E+15
Volume 2.484305912616E+23
Height 60443673.389207