128017865 (number)

128017865 is an odd 9-digits composite number following 128017864 and preceding 128017866. In scientific notation, it is written as 1.28017865 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 101882880 positive integers (up to 128017865) that are relatively prime to 128017865.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million seventeen thousand eight hundred sixty-five

Notation

Scientific notation 1.28017865 × 10^8
Engineering notation 1.28017865 × 10^6

Prime Factorization of 128017865

Prime Factorization 5 × 193 × 132661

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128017865
Product of the distinct prime numbers

The prime factorization of 128017865 is 5 × 193 × 132661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128017865)

Multiplication

n×y
n×2 256035730
n×3 384053595
n×4 512071460
n×5 640089325

Division

n÷y
n÷2 64008932.5
n÷3 42672621.666667
n÷3 32004466.25
n÷5 25603573

Exponentiation

ny
n2 16388573759158225
n3 2.0980302230425E+24
n4 2.6858534985937E+32
n5 3.4383723059275E+40

Nth Root

y√n
2√n 11314.498000353
3√n 503.99186521052
4√n 106.36962912577
5√n 41.826749560389

Divisors of 128017865

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 -128017864
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 128017865 can be divided by 8 positive divisors. The sum of these divisors (counting 128017865) is 1, the average is 0.125.

Base conversion 128017865

Base System Value
2 Binary 111101000010110010111001001
3 Ternary 22220212222111102
4 Quaternary 13220112113021
5 Quinary 230233032430
6 Senary 20411511145
8 Octal 750262711
10 Decimal 128017865
12 Duodecimal 36a584b5
16 Hexadecimal 7a165c9
20 Vigesimal 20024d5
36 Base36 247v7t

Cryptographic Hash Functions

md5 0ca769e5c20dc5a353c4de36928fa4ef
sha1 c26bf77c481c5702eb4386d685a1130b8e6a3e20
sha256 e6f8ffa242f4676307811c440bf89f1cb7c24826d0dcd7927a69df8a70004fde
sha512 b0f1bb5e58ae60aff35e48cf621c11ecd11a1db24cffdfbeb1a99430d37206821cd8f519c8a43d3beaecc9588be8815a83e313e10ff2558e8c977722d39c1b1b
ripemd-160 7f030150700b907c1df304625fc309e6a342fe34

128017865 as geometric shapes

Circle

Radius = n
Diameter 256035730
Circumference 804359968.4245
Area 5.1486222924586E+16

Sphere

Radius = n
Volume 8.7882084476261E+24
Surface area 2.0594489169834E+17
Circumference 804359968.4245

Square

Length = n
Perimeter 512071460
Area 16388573759158225
Diagonal 181044600.90905

Cube

Length = n
Surface area 98331442554949350
Volume 2.0980302230425E+24
Space diagonal 221733446.45649

Equilateral Triangle

Length = n
Perimeter 384053595
Area 7.096460603613E+15
Altitude 110866723.22825

Triangular Pyramid

Length = n
Surface area 7.096460603613E+15
Volume 2.4725523297461E+23
Height 60348200.303016