Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

128642015 (number)

128642015 is an odd 9-digits composite number following 128642014 and preceding 128642016. In scientific notation, it is written as 1.28642015 × 10^8. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 102913608 positive integers (up to 128642015) that are relatively prime to 128642015.

Interesting facts

128642015 has 4 divisors, whose sum is 154370424
The reverse of 128642015 is 510246821
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2

Name

Name	one hundred twenty-eight million six hundred forty-two thousand fifteen

Notation

Scientific notation	1.28642015 × 10^8
Engineering notation	1.28642015 × 10^6

Prime Factorization of 128642015

Prime Factorization 5 × 25728403

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128642015	Product of the distinct prime numbers

The prime factorization of 128642015 is 5 × 25728403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 36, 99, 818, 695, 6277, 361, 67690, 45977, 284258, 902924, 5454011, 3589373, 76221476, 56169327, 504824478, 311478905, 6540930521, 7382830508

Basic calculations (n = 128642015)

Multiplication

n×y

n×2	257284030
n×3	385926045
n×4	514568060
n×5	643210075

Division

n÷y

n÷2	64321007.5
n÷3	42880671.666667
n÷3	32160503.75
n÷5	25728403

Exponentiation

n^y

n²	16548768023260225
n³	2.1288668642798E+24
n⁴	2.7386172308768E+32
n⁵	3.5230123889371E+40

Nth Root

^y√n

²√n	11342.046332122
³√n	504.80960701752
⁴√n	106.49904380849
⁵√n	41.867455444697

Divisors of 128642015

1, 5, 25728403, 128642015

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128642014	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128642015 can be divided by 4 positive divisors. The sum of these divisors (counting 128642015) is 1, the average is 0.25.

Base conversion 128642015

Base	System	Value
2	Binary	111101010101110101111011111
3	Ternary	22222001200200002
4	Quaternary	13222232233133
5	Quinary	230413021030
6	Senary	20433124515
8	Octal	752565737
10	Decimal	128642015
12	Duodecimal	370b973b
16	Hexadecimal	7aaebdf
20	Vigesimal	204050f
36	Base36	24l8tb

Cryptographic Hash Functions

md5	ecb8dd26082d555b2ea8e1f8899d7175
sha1	de1b4ce0134ef8548b8bc4b36c889714c0e8e705
sha256	31a6fb14258bf0447296c293a4ead9db1bdebfd21dcd4e41fe9d89338e487121
sha512	d2253b58f9e6aaabafb761f88eae294cd7b2e398c1d2f2180a6d0e8f5b74a6000a4ae07398982086f989c319f205a359450cc9006c319b689353f5e6eef31ecb
ripemd-160	84d716d669d25f73db508bd68f5936262f57424f

128642015 as geometric shapes

Circle

Radius = n

Diameter	257284030
Circumference	808281618.53398
Area	5.1989488047836E+16

Sphere

Radius = n

Volume	8.9173766683894E+24
Surface area	2.0795795219134E+17
Circumference	808281618.53398

Square

Length = n

Perimeter	514568060
Area	16548768023260225
Diagonal	181927282.304

Cube

Length = n

Surface area	99292608139561350
Volume	2.1288668642798E+24
Space diagonal	222814505.96804

Equilateral Triangle

Length = n

Perimeter	385926045
Area	7.1658267547395E+15
Altitude	111407252.98402

Triangular Pyramid

Length = n

Surface area	7.1658267547395E+15
Volume	2.5088936599593E+23
Height	60642427.434668