128013887 (number)

128013887 is an odd 9-digits composite number following 128013886 and preceding 128013888. In scientific notation, it is written as 1.28013887 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 121080960 positive integers (up to 128013887) that are relatively prime to 128013887.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million thirteen thousand eight hundred eighty-seven

Notation

Scientific notation 1.28013887 × 10^8
Engineering notation 1.28013887 × 10^6

Prime Factorization of 128013887

Prime Factorization 19 × 661 × 10193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128013887
Product of the distinct prime numbers

The prime factorization of 128013887 is 19 × 661 × 10193. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 64, 89, 780, 402, 8279, 7710, 80532, 91758, 608109, 116298, 4143273, 4267350, 59020088, 18378535, 740986994, 206814267, 2391455364, 6856703421

Basic calculations (n = 128013887)

Multiplication

n×y
n×2 256027774
n×3 384041661
n×4 512055548
n×5 640069435

Division

n÷y
n÷2 64006943.5
n÷3 42671295.666667
n÷3 32003471.75
n÷5 25602777.4

Exponentiation

ny
n2 16387555264848769
n3 2.0978346478806E+24
n4 2.6855196755847E+32
n5 3.4378381228658E+40

Nth Root

y√n
2√n 11314.322206831
3√n 503.98664484432
4√n 106.36880278931
5√n 41.826489614048

Divisors of 128013887

1, 19, 661, 10193, 12559, 193667, 6737573, 128013887

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 -128013886
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 128013887 can be divided by 8 positive divisors. The sum of these divisors (counting 128013887) is 1, the average is 0.125.

Base conversion 128013887

Base System Value
2 Binary 111101000010101011000111111
3 Ternary 22220212210001002
4 Quaternary 13220111120333
5 Quinary 230232421022
6 Senary 20411440515
8 Octal 750253077
10 Decimal 128013887
12 Duodecimal 36a5613b
16 Hexadecimal 7a1563f
20 Vigesimal 2001ee7
36 Base36 247s5b

Cryptographic Hash Functions

md5 00041c06d7949f8ba9e30712557875bd
sha1 26b5ca6ef21036c25fc26bcae2bb6489ccd0a00f
sha256 38f2f89c3a10125cc6dfbd31e0e17f8af4d9b0922138ea9844e25a2f044f95cb
sha512 4ec383f8f9ba3f612ce7b8876c1e1f4f982f170f3e4ff5f5b821f5e5ba933ad201fd808d707b2f35154cb19318aeb63ca2f3ac13b4715a7b4017c7aef52eafd5
ripemd-160 d512fe78a70a06305b645fed5c1fb14be7eee4f0

128013887 as geometric shapes

Circle

Radius = n
Diameter 256027774
Circumference 804334973.91335
Area 5.1483023230346E+16

Sphere

Radius = n
Volume 8.7873892243038E+24
Surface area 2.0593209292138E+17
Circumference 804334973.91335

Square

Length = n
Perimeter 512055548
Area 16387555264848769
Diagonal 181038975.1675

Cube

Length = n
Surface area 98325331589092614
Volume 2.0978346478806E+24
Space diagonal 221726556.35838

Equilateral Triangle

Length = n
Perimeter 384041661
Area 7.0960195826402E+15
Altitude 110863278.17919

Triangular Pyramid

Length = n
Surface area 7.0960195826402E+15
Volume 2.4723218422074E+23
Height 60346325.055832