128617265 (number)

128617265 is an odd 9-digits composite number following 128617264 and preceding 128617266. In scientific notation, it is written as 1.28617265 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 84359616 positive integers (up to 128617265) that are relatively prime to 128617265.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28617265 × 10^8
Engineering notation 1.28617265 × 10^6

Prime Factorization of 128617265

Prime Factorization 5 × 7 × 23 × 159773

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128617265
Product of the distinct prime numbers

The prime factorization of 128617265 is 5 × 7 × 23 × 159773. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128617265)

Multiplication

n×y
n×2 257234530
n×3 385851795
n×4 514469060
n×5 643086325

Division

n÷y
n÷2 64308632.5
n÷3 42872421.666667
n÷3 32154316.25
n÷5 25723453

Exponentiation

ny
n2 16542400856080225
n3 2.1276383546427E+24
n4 2.7365102608324E+32
n5 3.519624653927E+40

Nth Root

y√n
2√n 11340.955206683
3√n 504.77723076491
4√n 106.49392098464
5√n 41.865844308123

Divisors of 128617265

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 -128617264
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 128617265 can be divided by 16 positive divisors. The sum of these divisors (counting 128617265) is 1, the average is 0.0625.

Base conversion 128617265

Base System Value
2 Binary 111101010101000101100110001
3 Ternary 22222000102201102
4 Quaternary 13222220230301
5 Quinary 230411223030
6 Senary 20432414145
8 Octal 752505461
10 Decimal 128617265
12 Duodecimal 370a7355
16 Hexadecimal 7aa8b31
20 Vigesimal 203h335
36 Base36 24kppt

Cryptographic Hash Functions

md5 1f1abc465a969779d077a724cec5be56
sha1 34829957ca4cc4953642cd9e38145a8cab302568
sha256 cd9d47eaf4e5c5cf3e53100d616d46c70cf6a4f56b599c7c52116608fe83c838
sha512 97b1b0e126269236c5aaea0e7d60c0d1fb7a6dd5fdc48e6d82682803b8c5b2c6015adb21a9050ddbcab15e364f4a100083e3c701dc5210990ef6db9fc6db5bcc
ripemd-160 8d2eb461bd1f6fed210dc400a3431cf73f3e4421

128617265 as geometric shapes

Circle

Radius = n
Diameter 257234530
Circumference 808126109.69762
Area 5.1969485002199E+16

Sphere

Radius = n
Volume 8.9122306992552E+24
Surface area 2.078779400088E+17
Circumference 808126109.69762

Square

Length = n
Perimeter 514469060
Area 16542400856080225
Diagonal 181892280.51833

Cube

Length = n
Surface area 99254405136481350
Volume 2.1276383546427E+24
Space diagonal 222771637.71055

Equilateral Triangle

Length = n
Perimeter 385851795
Area 7.1630696904755E+15
Altitude 111385818.85528

Triangular Pyramid

Length = n
Surface area 7.1630696904755E+15
Volume 2.5074458474674E+23
Height 60630760.172778