128784449 (number)

128784449 is an odd 9-digits composite number following 128784448 and preceding 128784450. In scientific notation, it is written as 1.28784449 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 128753664 positive integers (up to 128784449) that are relatively prime to 128784449.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million seven hundred eighty-four thousand four hundred forty-nine

Notation

Scientific notation 1.28784449 × 10^8
Engineering notation 1.28784449 × 10^6

Prime Factorization of 128784449

Prime Factorization 4993 × 25793

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128784449
Product of the distinct prime numbers

The prime factorization of 128784449 is 4993 × 25793. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 59, 90, 67, 771, 5641, 3272, 82172, 69919, 432611, 424352, 9234224, 9150263, 15015139, 96874599, 26613772, 231852803, 1235543522, 743768996

Basic calculations (n = 128784449)

Multiplication

n×y
n×2 257568898
n×3 386353347
n×4 515137796
n×5 643922245

Division

n÷y
n÷2 64392224.5
n÷3 42928149.666667
n÷3 32196112.25
n÷5 25756889.8

Exponentiation

ny
n2 16585434304233601
n3 2.1359460182964E+24
n4 2.7507663106005E+32
n5 3.5425592363845E+40

Nth Root

y√n
2√n 11348.323620694
3√n 504.99584873887
4√n 106.52851083486
5√n 41.876722572275

Divisors of 128784449

1, 4993, 25793, 128784449

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128784448
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128784449 can be divided by 4 positive divisors. The sum of these divisors (counting 128784449) is 1, the average is 0.25.

Base conversion 128784449

Base System Value
2 Binary 111101011010001100001000001
3 Ternary 22222022221001102
4 Quaternary 13223101201001
5 Quinary 230432100244
6 Senary 20440144145
8 Octal 753214101
10 Decimal 128784449
12 Duodecimal 37168055
16 Hexadecimal 7ad1841
20 Vigesimal 204i129
36 Base36 24oapt

Cryptographic Hash Functions

md5 fd3aca142c8a413691fec2b954566b59
sha1 d34c76cba546006c848f358cf98766bcf0143208
sha256 4dbdcd996a6ebe154cf396bddc08662a37d73afa99eaf1a4630e9ab4ce4402c7
sha512 d3be58217888c3db844c571fd5ab968f6726a72fdb8364b78f0e574a84e9b6d67388debfaeefe967ac9073282febe1494f35bcc847b9ae381c0f585fd6b71b04
ripemd-160 bffba76daf3fa1e6f6fdabeaa8c339936c99d7a1

128784449 as geometric shapes

Circle

Radius = n
Diameter 257568898
Circumference 809176557.75002
Area 5.2104678566776E+16

Sphere

Radius = n
Volume 8.9470297593925E+24
Surface area 2.0841871426711E+17
Circumference 809176557.75002

Square

Length = n
Perimeter 515137796
Area 16585434304233601
Diagonal 182128714.39855

Cube

Length = n
Surface area 99512605825401606
Volume 2.1359460182964E+24
Space diagonal 223061208.89276

Equilateral Triangle

Length = n
Perimeter 386353347
Area 7.1817037201321E+15
Altitude 111530604.44638

Triangular Pyramid

Length = n
Surface area 7.1817037201321E+15
Volume 2.5172365229763E+23
Height 60709571.466182