128668842 (number)

128668842 is an even 9-digits composite number following 128668841 and preceding 128668843. In scientific notation, it is written as 1.28668842 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 42080064 positive integers (up to 128668842) that are relatively prime to 128668842.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred sixty-eight thousand eight hundred forty-two

Notation

Scientific notation 1.28668842 × 10^8
Engineering notation 1.28668842 × 10^6

Prime Factorization of 128668842

Prime Factorization 2 × 3 × 3 × 53 × 134873

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 42889614
Product of the distinct prime numbers

The prime factorization of 128668842 is 2 × 3 × 3 × 53 × 134873. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 2, 90, 91, 831, 584, 6557, 3206, 64160, 62978, 301964, 216630, 6850119, 6591943, 49589736, 73520150, 823080298, 270346646, 7533491226, 3736355397

Basic calculations (n = 128668842)

Multiplication

n×y
n×2 257337684
n×3 386006526
n×4 514675368
n×5 643344210

Division

n÷y
n÷2 64334421
n÷3 42889614
n÷3 32167210.5
n÷5 25733768.4

Exponentiation

ny
n2 16555670901620964
n3 2.1301990034447E+24
n4 2.7409023900278E+32
n5 3.5266873655991E+40

Nth Root

y√n
2√n 11343.228905387
3√n 504.84469556939
4√n 106.50459570078
5√n 41.869201506507

Divisors of 128668842

1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 134873, 269746, 404619, 809238, 1213857, 2427714, 7148269, 14296538, 21444807, 42889614, 64334421, 128668842

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128668841
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128668842 can be divided by 24 positive divisors. The sum of these divisors (counting 128668842) is 1, the average is 0.041666666666667.

Base conversion 128668842

Base System Value
2 Binary 111101010110101010010101010
3 Ternary 22222010001110200
4 Quaternary 13222311102222
5 Quinary 230414400332
6 Senary 20433453030
8 Octal 752652252
10 Decimal 128668842
12 Duodecimal 37111176
16 Hexadecimal 7ab54aa
20 Vigesimal 2043c22
36 Base36 24ltii

Cryptographic Hash Functions

md5 c993986ff4c0ed1ff1947a1666845707
sha1 f3fdeb569740c19ac662871d10f912c8012a40c3
sha256 5b56100252cf5ef1d169cffe6e3b3cdab69a091158edd5c00c17ee066d7c749c
sha512 f5d1dc166efcbec556efbe36d6c680cd63c488a728b894f0f9c0db3a85a20d8ed8df641c05dc03f15802511074c668b61ce52b990f9d05f0826a076ec7d75f0c
ripemd-160 b6347863f25f13a107b0a35bc41ee96105871c1a

128668842 as geometric shapes

Circle

Radius = n
Diameter 257337684
Circumference 808450177.54621
Area 5.2011174079783E+16

Sphere

Radius = n
Volume 8.9229567198747E+24
Surface area 2.0804469631913E+17
Circumference 808450177.54621

Square

Length = n
Perimeter 514675368
Area 16555670901620964
Diagonal 181965221.41124

Cube

Length = n
Surface area 99334025409725784
Volume 2.1301990034447E+24
Space diagonal 222860971.69505

Equilateral Triangle

Length = n
Perimeter 386006526
Area 7.1688157887493E+15
Altitude 111430485.84753

Triangular Pyramid

Length = n
Surface area 7.1688157887493E+15
Volume 2.5104636010209E+23
Height 60655073.803747