128538165 (number)

128538165 is an odd 9-digits composite number following 128538164 and preceding 128538166. In scientific notation, it is written as 1.28538165 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 58330944 positive integers (up to 128538165) that are relatively prime to 128538165.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28538165 × 10^8
Engineering notation 1.28538165 × 10^6

Prime Factorization of 128538165

Prime Factorization 15 × 7 × 139 × 8807

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128538165
Product of the distinct prime numbers

The prime factorization of 128538165 is 15 × 7 × 139 × 8807. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 38, 44, 603, 651, 7165, 7820, 73803, 34434, 149465, 321734, 7867878, 9657492, 51888058, 71506380, 967800041, 571856975, 4080333741, 2802975913

Basic calculations (n = 128538165)

Multiplication

n×y
n×2 257076330
n×3 385614495
n×4 514152660
n×5 642690825

Division

n÷y
n÷2 64269082.5
n÷3 42846055
n÷3 32134541.25
n÷5 25707633

Exponentiation

ny
n2 16522059861567225
n3 2.123715256626E+24
n4 2.7297846206921E+32
n5 3.5088150598898E+40

Nth Root

y√n
2√n 11337.467309765
3√n 504.67372971212
4√n 106.4775436877
5√n 41.860693517146

Divisors of 128538165

1, 7, 15, 105, 139, 973, 2085, 8807, 14595, 61649, 132105, 924735, 1224173, 8569211, 18362595, 128538165

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128538164
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128538165 can be divided by 16 positive divisors. The sum of these divisors (counting 128538165) is 1, the average is 0.0625.

Base conversion 128538165

Base System Value
2 Binary 111101010010101011000110101
3 Ternary 22221212102012210
4 Quaternary 13222111120311
5 Quinary 230401210130
6 Senary 20431004033
8 Octal 752253065
10 Decimal 128538165
12 Duodecimal 37069619
16 Hexadecimal 7a95635
20 Vigesimal 2037585
36 Base36 24j0ol

Cryptographic Hash Functions

md5 f9c4d4b11c44c7daf8df3993f168253e
sha1 fc3cf5942e0d95c5cc96fd80a7f57be3f57e7711
sha256 be981a6e91f98f9df4da5690d86bb92a6f96830db1496985c8cb35ae534b5fbe
sha512 cd0d73f0731493a88e18bf5d2c3985bc1bdf46ca406303f4c9439a996288d8443ece95afa45ef76e8bd7fbf36ff3247059eb314a49696e3c6513fc0fbe0626a7
ripemd-160 c70328eb184b6342871a1533fe06a37d1c171842

128538165 as geometric shapes

Circle

Radius = n
Diameter 257076330
Circumference 807629109.73983
Area 5.190558188327E+16

Sphere

Radius = n
Volume 8.8957976647104E+24
Surface area 2.0762232753308E+17
Circumference 807629109.73983

Square

Length = n
Perimeter 514152660
Area 16522059861567225
Diagonal 181780416.22555

Cube

Length = n
Surface area 99132359169403350
Volume 2.123715256626E+24
Space diagonal 222634632.49167

Equilateral Triangle

Length = n
Perimeter 385614495
Area 7.1542617814822E+15
Altitude 111317316.24584

Triangular Pyramid

Length = n
Surface area 7.1542617814822E+15
Volume 2.502822432116E+23
Height 60593472.075184