128424879 (number)

128424879 is an odd 9-digits composite number following 128424878 and preceding 128424880. In scientific notation, it is written as 1.28424879 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 77561280 positive integers (up to 128424879) that are relatively prime to 128424879.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28424879 × 10^8
Engineering notation 1.28424879 × 10^6

Prime Factorization of 128424879

Prime Factorization 297 × 383 × 1129

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128424879
Product of the distinct prime numbers

The prime factorization of 128424879 is 297 × 383 × 1129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128424879)

Multiplication

n×y
n×2 256849758
n×3 385274637
n×4 513699516
n×5 642124395

Division

n÷y
n÷2 64212439.5
n÷3 42808293
n÷3 32106219.75
n÷5 25684975.8

Exponentiation

ny
n2 16492949546164641
n3 2.1181050498193E+24
n4 2.7201738473233E+32
n5 3.4933799720146E+40

Nth Root

y√n
2√n 11332.470119087
3√n 504.52542285833
4√n 106.4540751643
5√n 41.853312202468

Divisors of 128424879

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 -128424878
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 128424879 can be divided by 8 positive divisors. The sum of these divisors (counting 128424879) is 1, the average is 0.125.

Base conversion 128424879

Base System Value
2 Binary 111101001111001101110101111
3 Ternary 22221122122211000
4 Quaternary 13221321232233
5 Quinary 230334044004
6 Senary 20424331343
8 Octal 751715657
10 Decimal 128424879
12 Duodecimal 37013b53
16 Hexadecimal 7a79baf
20 Vigesimal 202d23j
36 Base36 24gl9r

Cryptographic Hash Functions

md5 2557e293fb229e3460d2bd016651d268
sha1 87b3e08cca093867e1638f9dcb9aab3ccd60e67b
sha256 dc74eacd6d79d068cf243c977d4438a0c30a06dbbfeb85fe254eda374d6e71aa
sha512 5201cc4ba4873b18b5949ecd94412a5dbbafd64bef73d0403d25cb615031fdb0ed0ce07da2334e77fffaf71d48311efd01d4b6446698dd12099ff6f5f8fa4892
ripemd-160 946dcf43f20fd7d96e49940b20c2deb5d9175f6b

128424879 as geometric shapes

Circle

Radius = n
Diameter 256849758
Circumference 806917312.80912
Area 5.1814129130258E+16

Sphere

Radius = n
Volume 8.8722976853917E+24
Surface area 2.0725651652103E+17
Circumference 806917312.80912

Square

Length = n
Perimeter 513699516
Area 16492949546164641
Diagonal 181620205.62792

Cube

Length = n
Surface area 98957697276987846
Volume 2.1181050498193E+24
Space diagonal 222438415.38389

Equilateral Triangle

Length = n
Perimeter 385274637
Area 7.1416566451568E+15
Altitude 111219207.69194

Triangular Pyramid

Length = n
Surface area 7.1416566451568E+15
Volume 2.4962107399878E+23
Height 60540068.542641