128536638 (number)

128536638 is an even 9-digits composite number following 128536637 and preceding 128536639. In scientific notation, it is written as 1.28536638 × 10^8. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 41842560 positive integers (up to 128536638) that are relatively prime to 128536638.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred thirty-six thousand six hundred thirty-eight

Notation

Scientific notation 1.28536638 × 10^8
Engineering notation 1.28536638 × 10^6

Prime Factorization of 128536638

Prime Factorization 2 × 3 × 61 × 149 × 2357

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 128536638
Product of the distinct prime numbers

The prime factorization of 128536638 is 2 × 3 × 61 × 149 × 2357. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 58, 83, 780, 5, 6868, 5166, 44502, 52512, 780095, 505819, 9930351, 1540923, 52392597, 30037601, 212736667, 181964538, 9318925940, 7309287325

Basic calculations (n = 128536638)

Multiplication

n×y
n×2 257073276
n×3 385609914
n×4 514146552
n×5 642683190

Division

n÷y
n÷2 64268319
n÷3 42845546
n÷3 32134159.5
n÷5 25707327.6

Exponentiation

ny
n2 16521667308343044
n3 2.1236395699689E+24
n4 2.7296549064757E+32
n5 3.5086066457859E+40

Nth Root

y√n
2√n 11337.399966483
3√n 504.67173123994
4√n 106.4772274549
5√n 41.860594057841

Divisors of 128536638

1, 2, 3, 6, 61, 122, 149, 183, 298, 366, 447, 894, 2357, 4714, 7071, 9089, 14142, 18178, 27267, 54534, 143777, 287554, 351193, 431331, 702386, 862662, 1053579, 2107158, 21422773, 42845546, 64268319, 128536638

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128536637
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128536638 can be divided by 32 positive divisors. The sum of these divisors (counting 128536638) is 1, the average is 0.03125.

Base conversion 128536638

Base System Value
2 Binary 111101010010101000000111110
3 Ternary 22221212100010020
4 Quaternary 13222111000332
5 Quinary 230401133023
6 Senary 20430553010
8 Octal 752250076
10 Decimal 128536638
12 Duodecimal 37068766
16 Hexadecimal 7a9503e
20 Vigesimal 20371bi
36 Base36 24izi6

Cryptographic Hash Functions

md5 8f7964a10a6ae0ceccdc9e1fe62cc423
sha1 faf6fa0df6118aed9f726d7041fc9eae7f222996
sha256 d37488d40082d92d8b259cd3cf057a2ac82ce605b6069aa82fbff863316ace1b
sha512 6d0ea64f7071751b8e903cc099986722e92919ad276d29a3b358f335b5b85a96c3fe20be573947829ad2dd47336156c3a0772b8be767b29138b5119663d55c44
ripemd-160 8178839190f970c46b2f737971efa3a367e588c7

128536638 as geometric shapes

Circle

Radius = n
Diameter 257073276
Circumference 807619515.31586
Area 5.1904348640945E+16

Sphere

Radius = n
Volume 8.8954806291826E+24
Surface area 2.0761739456378E+17
Circumference 807619515.31586

Square

Length = n
Perimeter 514146552
Area 16521667308343044
Diagonal 181778256.72144

Cube

Length = n
Surface area 99130003850058264
Volume 2.1236395699689E+24
Space diagonal 222631987.65009

Equilateral Triangle

Length = n
Perimeter 385609914
Area 7.15409180095E+15
Altitude 111315993.82504

Triangular Pyramid

Length = n
Surface area 7.15409180095E+15
Volume 2.5027332345352E+23
Height 60592752.24048