128409939 (number)

128409939 is an odd 9-digits composite number following 128409938 and preceding 128409940. In scientific notation, it is written as 1.28409939 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors. There are 73375344 positive integers (up to 128409939) that are relatively prime to 128409939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28409939 × 10^8
Engineering notation 1.28409939 × 10^6

Prime Factorization of 128409939

Prime Factorization 21 × 7 × 3 × 7 × 41597

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18344277
Product of the distinct prime numbers

The prime factorization of 128409939 is 21 × 7 × 3 × 7 × 41597. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 7, 41, 44, 530, 480, 3342, 2617, 32516, 26707, 694654, 438462, 5116258, 6752749, 61532440, 38267088, 550091308, 292492177, 3798248455, 7428480401

Basic calculations (n = 128409939)

Multiplication

n×y
n×2 256819878
n×3 385229817
n×4 513639756
n×5 642049695

Division

n÷y
n÷2 64204969.5
n÷3 42803313
n÷3 32102484.75
n÷5 25681987.8

Exponentiation

ny
n2 16489112433983721
n3 2.117365921812E+24
n4 2.7189082886056E+32
n5 3.4913484748644E+40

Nth Root

y√n
2√n 11331.810932062
3√n 504.50585784833
4√n 106.45097900941
5√n 41.852338376231

Divisors of 128409939

1, 3, 7, 21, 49, 63, 147, 441, 1029, 3087, 41597, 124791, 291179, 873537, 2038253, 2620611, 6114759, 18344277, 42803313, 128409939

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128409938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128409939 can be divided by 20 positive divisors. The sum of these divisors (counting 128409939) is 1, the average is 0.05.

Base conversion 128409939

Base System Value
2 Binary 111101001110110000101010011
3 Ternary 22221121220022200
4 Quaternary 13221312011103
5 Quinary 230333104224
6 Senary 20424134243
8 Octal 751660523
10 Decimal 128409939
12 Duodecimal 37007383
16 Hexadecimal 7a76153
20 Vigesimal 202b4gj
36 Base36 24g9qr

Cryptographic Hash Functions

md5 4d4b9b5f25b262f3ef7fd9e243fe214a
sha1 26e8346b0c32005114b05b9094cecdf7feb6863f
sha256 f94f58b5da546f16e57635f3800c3f45c064845a64ceb7a5baf232411671a1fc
sha512 f108a447254b1066b1210f6794f5cc8e2713706d404372cdc2e41071d11eb07c416398773832e43c33e6cf5d1f8d6d32c91a8de58defe228e20f50d5dafc7975
ripemd-160 4da4c13085a97321132e11ca859d37a4a9bf1ae0

128409939 as geometric shapes

Circle

Radius = n
Diameter 256819878
Circumference 806823442.02063
Area 5.1802074486819E+16

Sphere

Radius = n
Volume 8.8692016332346E+24
Surface area 2.0720829794728E+17
Circumference 806823442.02063

Square

Length = n
Perimeter 513639756
Area 16489112433983721
Diagonal 181599077.2773

Cube

Length = n
Surface area 98934674603902326
Volume 2.117365921812E+24
Space diagonal 222412538.54482

Equilateral Triangle

Length = n
Perimeter 385229817
Area 7.1399951268439E+15
Altitude 111206269.27241

Triangular Pyramid

Length = n
Surface area 7.1399951268439E+15
Volume 2.4953396692776E+23
Height 60533025.759101