128996856 (number)

128996856 is an even 9-digits composite number following 128996855 and preceding 128996857. In scientific notation, it is written as 1.28996856 × 10^8. The sum of its digits is 54. It has a total of 5 prime factors and 16 positive divisors. There are 42998928 positive integers (up to 128996856) that are relatively prime to 128996856.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28996856 × 10^8
Engineering notation 1.28996856 × 10^6

Prime Factorization of 128996856

Prime Factorization 2 × 2 × 2 × 9 × 1791623

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 32249214
Product of the distinct prime numbers

The prime factorization of 128996856 is 2 × 2 × 2 × 9 × 1791623. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 62, 94, 869, 52, 472, 2701, 32530, 83875, 221932, 47656, 8585123, 696054, 90642108, 17057176, 179085781, 324941824, 416861994, 5217504343

Basic calculations (n = 128996856)

Multiplication

n×y
n×2 257993712
n×3 386990568
n×4 515987424
n×5 644984280

Division

n÷y
n÷2 64498428
n÷3 42998952
n÷3 32249214
n÷5 25799371.2

Exponentiation

ny
n2 16640188857884736
n3 2.1465320459134E+24
n4 2.7689588522607E+32
n5 3.57186986335E+40

Nth Root

y√n
2√n 11357.678283875
3√n 505.27332979796
4√n 106.57240864255
5√n 41.890527106369

Divisors of 128996856

1, 2, 4, 8, 9, 18, 36, 72, 1791623, 3583246, 7166492, 14332984, 16124607, 32249214, 64498428, 128996856

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 -128996855
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 128996856 can be divided by 16 positive divisors. The sum of these divisors (counting 128996856) is 1, the average is 0.0625.

Base conversion 128996856

Base System Value
2 Binary 111101100000101010111111000
3 Ternary 22222201201102100
4 Quaternary 13230011113320
5 Quinary 231010344411
6 Senary 20444503400
8 Octal 754052770
10 Decimal 128996856
12 Duodecimal 3724ab60
16 Hexadecimal 7b055f8
20 Vigesimal 2064c2g
36 Base36 24sum0

Cryptographic Hash Functions

md5 c54dc81301a3b32583f0a3f67cb0f08d
sha1 fc751eced73e32a5ea85366f3c5709539df9e016
sha256 9be6f64f0b5f392c7869eecc89f4fdd38532d10dc6437a15c0f9f711e57be513
sha512 e9f0b92918739cde637b4d2ff58dc6255111da7965adf148b30638c85c0a9ecbbb044441935b32d0b6fc2979dbd6775ccdc9674e9c3291758633749ae26615c5
ripemd-160 5bfb3e8d4d949b7037243be4b0974fd0e995b8bf

128996856 as geometric shapes

Circle

Radius = n
Diameter 257993712
Circumference 810511150.29156
Area 5.2276695070277E+16

Sphere

Radius = n
Volume 8.991372408182E+24
Surface area 2.0910678028111E+17
Circumference 810511150.29156

Square

Length = n
Perimeter 515987424
Area 16640188857884736
Diagonal 182429103.25869

Cube

Length = n
Surface area 99841133147308416
Volume 2.1465320459134E+24
Space diagonal 223429108.60865

Equilateral Triangle

Length = n
Perimeter 386990568
Area 7.2054131373495E+15
Altitude 111714554.30432

Triangular Pyramid

Length = n
Surface area 7.2054131373495E+15
Volume 2.529712276166E+23
Height 60809701.08623