128839449 (number)

128839449 is an odd 9-digits composite number following 128839448 and preceding 128839450. In scientific notation, it is written as 1.28839449 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 83473728 positive integers (up to 128839449) that are relatively prime to 128839449.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred thirty-nine thousand four hundred forty-nine

Notation

Scientific notation 1.28839449 × 10^8
Engineering notation 1.28839449 × 10^6

Prime Factorization of 128839449

Prime Factorization 3 × 53 × 107 × 7573

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128839449
Product of the distinct prime numbers

The prime factorization of 128839449 is 3 × 53 × 107 × 7573. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128839449)

Multiplication

n×y
n×2 257678898
n×3 386518347
n×4 515357796
n×5 644197245

Division

n÷y
n÷2 64419724.5
n÷3 42946483
n÷3 32209862.25
n÷5 25767889.8

Exponentiation

ny
n2 16599603618623601
n3 2.1386837838419E+24
n4 2.7554684029542E+32
n5 3.5501303077353E+40

Nth Root

y√n
2√n 11350.746627425
3√n 505.0677280662
4√n 106.53988280182
5√n 41.880298821435

Divisors of 128839449

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 -128839448
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 128839449 can be divided by 16 positive divisors. The sum of these divisors (counting 128839449) is 1, the average is 0.0625.

Base conversion 128839449

Base System Value
2 Binary 111101011011110111100011001
3 Ternary 22222102201111110
4 Quaternary 13223132330121
5 Quinary 230440330244
6 Senary 20441250533
8 Octal 753367431
10 Decimal 128839449
12 Duodecimal 37193a49
16 Hexadecimal 7adef19
20 Vigesimal 2054ic9
36 Base36 24ph5l

Cryptographic Hash Functions

md5 fe6ed696ed99edcbdc4e8be18b4b527d
sha1 a1aa9b76eac5102e1ec3b04916917db9f98fff13
sha256 38b3b698cd3d42c5710c642d09f3e245b8f49c02e09f2df24885577aa2bfca13
sha512 fbabbb788db08bb1cc34210ff36dab7e70a77bd33608d6de9285079d485e21da664cf1d725a41debdc4f677ab51e7a3471dfa58242a6720e6b3a61ec5b6d42b4
ripemd-160 7add7f8526d3cb834fe68e7cc1b53106d79f63af

128839449 as geometric shapes

Circle

Radius = n
Diameter 257678898
Circumference 809522132.94191
Area 5.214919278077E+16

Sphere

Radius = n
Volume 8.9584976848923E+24
Surface area 2.0859677112308E+17
Circumference 809522132.94191

Square

Length = n
Perimeter 515357796
Area 16599603618623601
Diagonal 182206496.14448

Cube

Length = n
Surface area 99597621711741606
Volume 2.1386837838419E+24
Space diagonal 223156471.68718

Equilateral Triangle

Length = n
Perimeter 386518347
Area 7.1878392132401E+15
Altitude 111578235.84359

Triangular Pyramid

Length = n
Surface area 7.1878392132401E+15
Volume 2.5204630106138E+23
Height 60735498.714826