128996855 (number)

128996855 is an odd 9-digits composite number following 128996854 and preceding 128996856. In scientific notation, it is written as 1.28996855 × 10^8. The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors. There are 95251104 positive integers (up to 128996855) that are relatively prime to 128996855.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28996855 × 10^8
Engineering notation 1.28996855 × 10^6

Prime Factorization of 128996855

Prime Factorization 65 × 13 × 13 × 11743

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9922835
Product of the distinct prime numbers

The prime factorization of 128996855 is 65 × 13 × 13 × 11743. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 63, 15, 182, 20, 2493, 7177, 23387, 92595, 984198, 467483, 5447033, 8602007, 8852966, 87605933, 258320326, 671129253, 6886629932, 358922747

Basic calculations (n = 128996855)

Multiplication

n×y
n×2 257993710
n×3 386990565
n×4 515987420
n×5 644984275

Division

n÷y
n÷2 64498427.5
n÷3 42998951.666667
n÷3 32249213.75
n÷5 25799371

Exponentiation

ny
n2 16640188599891025
n3 2.1465319959928E+24
n4 2.7689587663994E+32
n5 3.5718697249021E+40

Nth Root

y√n
2√n 11357.678239852
3√n 505.27332849231
4√n 106.57240843601
5√n 41.890527041421

Divisors of 128996855

1, 13, 65, 169, 845, 10985, 11743, 152659, 763295, 1984567, 9922835, 128996855

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128996854
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128996855 can be divided by 12 positive divisors. The sum of these divisors (counting 128996855) is 1, the average is 0.083333333333333.

Base conversion 128996855

Base System Value
2 Binary 111101100000101010111110111
3 Ternary 22222201201102022
4 Quaternary 13230011113313
5 Quinary 231010344410
6 Senary 20444503355
8 Octal 754052767
10 Decimal 128996855
12 Duodecimal 3724ab5b
16 Hexadecimal 7b055f7
20 Vigesimal 2064c2f
36 Base36 24sulz

Cryptographic Hash Functions

md5 62b3d49d808e420f2fc688f1c11ddc41
sha1 e885e3078e16c286a495f178135577a16253987f
sha256 cbab49ced08ea377ecdd232a6dd32e76d30e91d0558ddbe24e8d87be2a1de7e6
sha512 d688d74b8fd7a7f4ad9abe18fa7c1c1ea41716b46c3389c2463caffc24a486006bca4d361b53dfb2a2da4c2186a30c9250610a2b8ddf36b30e26ba0d11c613c4
ripemd-160 a747b5fa0eea5844ff8bd9a3d817b5c7c50dcc8c

128996855 as geometric shapes

Circle

Radius = n
Diameter 257993710
Circumference 810511144.00838
Area 5.2276694259766E+16

Sphere

Radius = n
Volume 8.9913721990752E+24
Surface area 2.0910677703907E+17
Circumference 810511144.00838

Square

Length = n
Perimeter 515987420
Area 16640188599891025
Diagonal 182429101.84448

Cube

Length = n
Surface area 99841131599346150
Volume 2.1465319959928E+24
Space diagonal 223429106.8766

Equilateral Triangle

Length = n
Perimeter 386990565
Area 7.2054130256349E+15
Altitude 111714553.4383

Triangular Pyramid

Length = n
Surface area 7.2054130256349E+15
Volume 2.529712217334E+23
Height 60809700.614825