128996857 (number)

128996857 is an odd 9-digits composite number following 128996856 and preceding 128996858. In scientific notation, it is written as 1.28996857 × 10^8. The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors. There are 110801680 positive integers (up to 128996857) that are relatively prime to 128996857.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million nine hundred ninety-six thousand eight hundred fifty-seven

Notation

Scientific notation 1.28996857 × 10^8
Engineering notation 1.28996857 × 10^6

Prime Factorization of 128996857

Prime Factorization 11 × 23 × 83 × 6143

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128996857
Product of the distinct prime numbers

The prime factorization of 128996857 is 11 × 23 × 83 × 6143. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 67, 14, 562, 922, 323, 753, 43865, 65954, 79260, 961820, 1923805, 6314016, 52741295, 82510363, 646429894, 932209865, 2707641152, 8155619539

Basic calculations (n = 128996857)

Multiplication

n×y
n×2 257993714
n×3 386990571
n×4 515987428
n×5 644984285

Division

n÷y
n÷2 64498428.5
n÷3 42998952.333333
n÷3 32249214.25
n÷5 25799371.4

Exponentiation

ny
n2 16640189115878449
n3 2.1465320958339E+24
n4 2.768958938122E+32
n5 3.5718700017979E+40

Nth Root

y√n
2√n 11357.678327898
3√n 505.27333110361
4√n 106.57240884909
5√n 41.890527171317

Divisors of 128996857

1, 11, 23, 83, 253, 913, 1909, 6143, 20999, 67573, 141289, 509869, 1554179, 5608559, 11726987, 128996857

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 -128996856
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 128996857 can be divided by 16 positive divisors. The sum of these divisors (counting 128996857) is 1, the average is 0.0625.

Base conversion 128996857

Base System Value
2 Binary 111101100000101010111111001
3 Ternary 22222201201102101
4 Quaternary 13230011113321
5 Quinary 231010344412
6 Senary 20444503401
8 Octal 754052771
10 Decimal 128996857
12 Duodecimal 3724ab61
16 Hexadecimal 7b055f9
20 Vigesimal 2064c2h
36 Base36 24sum1

Cryptographic Hash Functions

md5 821df38b94f69b449d862cdcd4bb7455
sha1 19e55569d8d065016537b1fc06df62608e9fed31
sha256 0c7190c1be0d7e92977a52ef11509c9606c40017136cd2394a58e891e8eac166
sha512 683a3c2d452504ac14b0a05a7290cac334a035427b968e9148ebdb283cd77cc75534773f781705204368e1468769031ecc7c02c9db29bfbb73657ad165d33104
ripemd-160 9dc5de2b70b3b5f74c23e58273d28f0835e1fc6f

128996857 as geometric shapes

Circle

Radius = n
Diameter 257993714
Circumference 810511156.57475
Area 5.2276695880789E+16

Sphere

Radius = n
Volume 8.9913726172888E+24
Surface area 2.0910678352315E+17
Circumference 810511156.57475

Square

Length = n
Perimeter 515987428
Area 16640189115878449
Diagonal 182429104.6729

Cube

Length = n
Surface area 99841134695270694
Volume 2.1465320958339E+24
Space diagonal 223429110.3407

Equilateral Triangle

Length = n
Perimeter 386990571
Area 7.205413249064E+15
Altitude 111714555.17035

Triangular Pyramid

Length = n
Surface area 7.205413249064E+15
Volume 2.5297123349979E+23
Height 60809701.557634