128513879 (number)

128513879 is an odd 9-digits composite number following 128513878 and preceding 128513880. In scientific notation, it is written as 1.28513879 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 114346080 positive integers (up to 128513879) that are relatively prime to 128513879.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred thirteen thousand eight hundred seventy-nine

Notation

Scientific notation 1.28513879 × 10^8
Engineering notation 1.28513879 × 10^6

Prime Factorization of 128513879

Prime Factorization 403 × 347 × 919

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128513879
Product of the distinct prime numbers

The prime factorization of 128513879 is 403 × 347 × 919. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 2, 97, 547, 89, 3200, 7504, 5540, 24307, 615998, 566237, 9719170, 7247254, 29858655, 44677368, 13909087, 615354827, 5281430708, 3330102826

Basic calculations (n = 128513879)

Multiplication

n×y
n×2 257027758
n×3 385541637
n×4 514055516
n×5 642569395

Division

n÷y
n÷2 64256939.5
n÷3 42837959.666667
n÷3 32128469.75
n÷5 25702775.8

Exponentiation

ny
n2 16515817095626641
n3 2.1225117198135E+24
n4 2.7277221433619E+32
n5 3.5055015347764E+40

Nth Root

y√n
2√n 11336.396208672
3√n 504.6419433598
4√n 106.47251386472
5√n 41.859111565755

Divisors of 128513879

1, 347, 403, 919, 139841, 318893, 370357, 128513879

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128513878
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128513879 can be divided by 8 positive divisors. The sum of these divisors (counting 128513879) is 1, the average is 0.125.

Base conversion 128513879

Base System Value
2 Binary 111101010001111011101010111
3 Ternary 22221211011220022
4 Quaternary 13222033131113
5 Quinary 230344421004
6 Senary 20430255355
8 Octal 752173527
10 Decimal 128513879
12 Duodecimal 3705755b
16 Hexadecimal 7a8f757
20 Vigesimal 20344dj
36 Base36 24ihxz

Cryptographic Hash Functions

md5 7e8030633e23a412d0e05b9b0f3343df
sha1 71812e03cec6ba827c231a5500f7502c936485fb
sha256 5f1e329826421fa702fbe26f33f1c3246220cfe3a6a53bc91a798545957297ba
sha512 4028066a31020c5845d7655ab2e26beddde0035e9d68ed1d699836f6c380598aaf0b963bf3a2d591c914a20c787fe6c928f58b62bc996708421c5863768c1c44
ripemd-160 9e22b1e186252264398087144043339467bd965d

128513879 as geometric shapes

Circle

Radius = n
Diameter 257027758
Circumference 807476516.30146
Area 5.1885969655653E+16

Sphere

Radius = n
Volume 8.8907563014991E+24
Surface area 2.0754387862261E+17
Circumference 807476516.30146

Square

Length = n
Perimeter 514055516
Area 16515817095626641
Diagonal 181746070.63497

Cube

Length = n
Surface area 99094902573759846
Volume 2.1225117198135E+24
Space diagonal 222592567.90576

Equilateral Triangle

Length = n
Perimeter 385541637
Area 7.151558584535E+15
Altitude 111296283.95288

Triangular Pyramid

Length = n
Surface area 7.151558584535E+15
Volume 2.5014040503801E+23
Height 60582023.544992