128840394 (number)

128840394 is an even 9-digits composite number following 128840393 and preceding 128840395. In scientific notation, it is written as 1.28840394 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 42886272 positive integers (up to 128840394) that are relatively prime to 128840394.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28840394 × 10^8
Engineering notation 1.28840394 × 10^6

Prime Factorization of 128840394

Prime Factorization 2 × 3 × 727 × 29537

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128840394
Product of the distinct prime numbers

The prime factorization of 128840394 is 2 × 3 × 727 × 29537. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 53, 77, 78, 199, 3706, 5746, 13989, 41209, 266369, 401154, 8689236, 1019650, 25544360, 22985097, 889050202, 55485264, 119124856, 3190628815

Basic calculations (n = 128840394)

Multiplication

n×y
n×2 257680788
n×3 386521182
n×4 515361576
n×5 644201970

Division

n÷y
n÷2 64420197
n÷3 42946798
n÷3 32210098.5
n÷5 25768078.8

Exponentiation

ny
n2 16599847126075236
n3 2.1387308440633E+24
n4 2.7555492460907E+32
n5 3.5502605055273E+40

Nth Root

y√n
2√n 11350.788254566
3√n 505.06896290496
4√n 106.54007816107
5√n 41.880360257225

Divisors of 128840394

1, 2, 3, 6, 727, 1454, 2181, 4362, 29537, 59074, 88611, 177222, 21473399, 42946798, 64420197, 128840394

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 -128840393
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 128840394 can be divided by 16 positive divisors. The sum of these divisors (counting 128840394) is 1, the average is 0.0625.

Base conversion 128840394

Base System Value
2 Binary 111101011011111001011001010
3 Ternary 22222102202210110
4 Quaternary 13223133023022
5 Quinary 230440343034
6 Senary 20441255150
8 Octal 753371312
10 Decimal 128840394
12 Duodecimal 371944b6
16 Hexadecimal 7adf2ca
20 Vigesimal 20550je
36 Base36 24phvu

Cryptographic Hash Functions

md5 a8b18d90295eafb8d9cfc9f3d19750b3
sha1 5dd9724f3dbdfa2d4e0005ceea522b37f72b6310
sha256 856da1cd2ab24ee98f8ef314c620bd8d2295a2644bdd40bc39a79bac1000788b
sha512 443afd43be84b3fad72ed2831ea2670136b46d9586dab823c8440da9d77b25b3f25429977dc3c873a16303d6261aeb2499d30a9a19cc152d8908664ebe52538a
ripemd-160 cdc03b4a609c092a403b51356cab5b8bb8b7ab37

128840394 as geometric shapes

Circle

Radius = n
Diameter 257680788
Circumference 809528070.55203
Area 5.2149957781992E+16

Sphere

Radius = n
Volume 8.9586948102869E+24
Surface area 2.0859983112797E+17
Circumference 809528070.55203

Square

Length = n
Perimeter 515361576
Area 16599847126075236
Diagonal 182207832.57629

Cube

Length = n
Surface area 99599082756451416
Volume 2.1387308440633E+24
Space diagonal 223158108.47519

Equilateral Triangle

Length = n
Perimeter 386521182
Area 7.1879446550596E+15
Altitude 111579054.2376

Triangular Pyramid

Length = n
Surface area 7.1879446550596E+15
Volume 2.5205184716166E+23
Height 60735944.192098