128489715 (number)

128489715 is an odd 9-digits composite number following 128489714 and preceding 128489716. In scientific notation, it is written as 1.28489715 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 66674880 positive integers (up to 128489715) that are relatively prime to 128489715.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28489715 × 10^8
Engineering notation 1.28489715 × 10^6

Prime Factorization of 128489715

Prime Factorization 45 × 37 × 77171

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128489715
Product of the distinct prime numbers

The prime factorization of 128489715 is 45 × 37 × 77171. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 57, 86, 464, 419, 8156, 6026, 22450, 2319, 270215, 552958, 3887885, 1663234, 8000515, 27607293, 968951731, 557321039, 284359032, 9796999464

Basic calculations (n = 128489715)

Multiplication

n×y
n×2 256979430
n×3 385469145
n×4 513958860
n×5 642448575

Division

n÷y
n÷2 64244857.5
n÷3 42829905
n÷3 32122428.75
n÷5 25697943

Exponentiation

ny
n2 16509606860781225
n3 2.1213146803038E+24
n4 2.7256711869755E+32
n5 3.502207139982E+40

Nth Root

y√n
2√n 11335.330387774
3√n 504.61031271059
4√n 106.46750860133
5√n 41.857537323872

Divisors of 128489715

1, 37, 45, 1665, 77171, 2855327, 3472695, 128489715

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128489714
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128489715 can be divided by 8 positive divisors. The sum of these divisors (counting 128489715) is 1, the average is 0.125.

Base conversion 128489715

Base System Value
2 Binary 111101010001001100011110011
3 Ternary 22221202221202100
4 Quaternary 13222021203303
5 Quinary 230343132330
6 Senary 20425551443
8 Octal 752114363
10 Decimal 128489715
12 Duodecimal 37045583
16 Hexadecimal 7a898f3
20 Vigesimal 203145f
36 Base36 24hzar

Cryptographic Hash Functions

md5 75e569329dffd8cbb5718698f8393b64
sha1 856a57421877b7405c5a8dff7b1d9c00c1abf705
sha256 745e7bb7518598db85aa3c1f8d244954273bcddfe7140c14dfd63ca8b31dc6eb
sha512 620bef0691055fa478e7fda2dc487f208351184e1bc51e9d8341ebd640d0adb6a8e20d86cd704e61faf6f64a5b3fa6cc305f472fbeb1ff86596fbc17051c1558
ripemd-160 1e8fa05be74f5239b924a87635b4c332575ee855

128489715 as geometric shapes

Circle

Radius = n
Diameter 256979430
Circumference 807324689.41169
Area 5.1866459627486E+16

Sphere

Radius = n
Volume 8.8857421541262E+24
Surface area 2.0746583850994E+17
Circumference 807324689.41169

Square

Length = n
Perimeter 513958860
Area 16509606860781225
Diagonal 181711897.57845

Cube

Length = n
Surface area 99057641164687350
Volume 2.1213146803038E+24
Space diagonal 222550714.63004

Equilateral Triangle

Length = n
Perimeter 385469145
Area 7.1488694739652E+15
Altitude 111275357.31502

Triangular Pyramid

Length = n
Surface area 7.1488694739652E+15
Volume 2.499993325789E+23
Height 60570632.526151