128388615 (number)

128388615 is an odd 9-digits composite number following 128388614 and preceding 128388616. In scientific notation, it is written as 1.28388615 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 68374656 positive integers (up to 128388615) that are relatively prime to 128388615.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million three hundred eighty-eight thousand six hundred fifteen

Notation

Scientific notation 1.28388615 × 10^8
Engineering notation 1.28388615 × 10^6

Prime Factorization of 128388615

Prime Factorization 3 × 5 × 733 × 11677

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128388615
Product of the distinct prime numbers

The prime factorization of 128388615 is 3 × 5 × 733 × 11677. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 63, 18, 594, 882, 7258, 552, 47953, 78443, 220451, 443573, 2507560, 8784283, 11713318, 36915229, 766560674, 997230240, 5674955891, 1204077787

Basic calculations (n = 128388615)

Multiplication

n×y
n×2 256777230
n×3 385165845
n×4 513554460
n×5 641943075

Division

n÷y
n÷2 64194307.5
n÷3 42796205
n÷3 32097153.75
n÷5 25677723

Exponentiation

ny
n2 16483636461618225
n3 2.1163112554707E+24
n4 2.7171027099879E+32
n5 3.4884505374809E+40

Nth Root

y√n
2√n 11330.870001902
3√n 504.47792989988
4√n 106.4465593709
5√n 41.850948268024

Divisors of 128388615

1, 3, 5, 15, 733, 2199, 3665, 10995, 11677, 35031, 58385, 175155, 8559241, 25677723, 42796205, 128388615

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 -128388614
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 128388615 can be divided by 16 positive divisors. The sum of these divisors (counting 128388615) is 1, the average is 0.0625.

Base conversion 128388615

Base System Value
2 Binary 111101001110000111000000111
3 Ternary 22221120211001220
4 Quaternary 13221300320013
5 Quinary 230331413430
6 Senary 20423451423
8 Octal 751607007
10 Decimal 128388615
12 Duodecimal 36bb6b73
16 Hexadecimal 7a70e07
20 Vigesimal 2028baf
36 Base36 24ftaf

Cryptographic Hash Functions

md5 1eea39985860a1b4ed11f891b147b005
sha1 0b67076b29c9001e3147bbb9effe44356470f6f4
sha256 9201970d3ad008c05b71c20f5e990741bfa9ed7e995b4f494dd6f1c96f4694d7
sha512 255524dee3efa0bedf9d9d2b0c2a607c371576505e2269ffa9e7df8fc146dc4f5fdc13dc95ea4fb3e95d191618cad003e779638f1fb7c95ce0825b8e720b4f20
ripemd-160 3c85ab30631534d4f4a2ce7694aa45234371bdae

128388615 as geometric shapes

Circle

Radius = n
Diameter 256777230
Circumference 806689459.37714
Area 5.1784871212265E+16

Sphere

Radius = n
Volume 8.8647838571947E+24
Surface area 2.0713948484906E+17
Circumference 806689459.37714

Square

Length = n
Perimeter 513554460
Area 16483636461618225
Diagonal 181568920.5873

Cube

Length = n
Surface area 98901818769709350
Volume 2.1163112554707E+24
Space diagonal 222375604.2934

Equilateral Triangle

Length = n
Perimeter 385165845
Area 7.1376239612544E+15
Altitude 111187802.1467

Triangular Pyramid

Length = n
Surface area 7.1376239612544E+15
Volume 2.4940967330745E+23
Height 60522973.529099