128126784 (number)

128126784 is an even 9-digits composite number following 128126783 and preceding 128126785. In scientific notation, it is written as 1.28126784 × 10^8. The sum of its digits is 39. It has a total of 9 prime factors and 56 positive divisors. There are 42388480 positive integers (up to 128126784) that are relatively prime to 128126784.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million one hundred twenty-six thousand seven hundred eighty-four

Notation

Scientific notation 1.28126784 × 10^8
Engineering notation 1.28126784 × 10^6

Prime Factorization of 128126784

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 137 × 4871

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 4003962
Product of the distinct prime numbers

The prime factorization of 128126784 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 137 × 4871. Since it has a total of 9 prime factors.

Most popular turbo-numbers

8, 10, 66, 11, 729, 443, 4539, 9793, 48511, 98606, 701328, 276536, 8623063, 4313114, 23131694, 65812056, 865181334, 86270756, 2607500890, 7947771083

Basic calculations (n = 128126784)

Multiplication

n×y
n×2 256253568
n×3 384380352
n×4 512507136
n×5 640633920

Division

n÷y
n÷2 64063392
n÷3 42708928
n÷3 32031696
n÷5 25625356.8

Exponentiation

ny
n2 16416472778182656
n3 2.1033898616921E+24
n4 2.6950057847681E+32
n5 3.4530242406374E+40

Nth Root

y√n
2√n 11319.310226334
3√n 504.13475862387
4√n 106.39224702174
5√n 41.833864470642

Divisors of 128126784

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 137, 192, 274, 411, 548, 822, 1096, 1644, 2192, 3288, 4384, 4871, 6576, 8768, 9742, 13152, 14613, 19484, 26304, 29226, 38968, 58452, 77936, 116904, 155872, 233808, 311744, 467616, 667327, 935232, 1334654, 2001981, 2669308, 4003962, 5338616, 8007924, 10677232, 16015848, 21354464, 32031696, 42708928, 64063392, 128126784

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128126783
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128126784 can be divided by 56 positive divisors. The sum of these divisors (counting 128126784) is 1, the average is 0.017857142857143.

Base conversion 128126784

Base System Value
2 Binary 111101000110000111101000000
3 Ternary 22221002111220110
4 Quaternary 13220300331000
5 Quinary 230300024114
6 Senary 20414111320
8 Octal 750607500
10 Decimal 128126784
12 Duodecimal 36aab540
16 Hexadecimal 7a30f40
20 Vigesimal 200fgj4
36 Base36 24a79c

Cryptographic Hash Functions

md5 ac9ec4c517b458cb11e6bc9920111dd6
sha1 1d11aba9f43a81b7ca14e670a91b88d17d04589e
sha256 fe2bf6f1754bc9ecd4b67bc153d1ecb925980537ea57672b5789ee02b599e75e
sha512 1376804e609d2f8a6a44e75de2a2162dc9633213bfb169c7c7b76a7e3593599b3f9e375c57f37765bcbf1d4f63f4ddc242b2f01cc5aeb86af1da5d7d35ded7ba
ripemd-160 a6365d150a66128b60e55210041c2632a35d0444

128126784 as geometric shapes

Circle

Radius = n
Diameter 256253568
Circumference 805044326.68497
Area 5.1573870277795E+16

Sphere

Radius = n
Volume 8.8106588495028E+24
Surface area 2.0629548111118E+17
Circumference 805044326.68497

Square

Length = n
Perimeter 512507136
Area 16416472778182656
Diagonal 181198635.63605

Cube

Length = n
Surface area 98498836669095936
Volume 2.1033898616921E+24
Space diagonal 221922099.6984

Equilateral Triangle

Length = n
Perimeter 384380352
Area 7.1085412332209E+15
Altitude 110961049.8492

Triangular Pyramid

Length = n
Surface area 7.1085412332209E+15
Volume 2.4788687244692E+23
Height 60399545.212016