128214721 (number)

128214721 is an odd 9-digits prime number following 128214720 and preceding 128214722. In scientific notation, it is written as 1.28214721 × 10^8. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 128214720 positive integers (up to 128214721) that are relatively prime to 128214721.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred fourteen thousand seven hundred twenty-one

Notation

Scientific notation 1.28214721 × 10^8
Engineering notation 1.28214721 × 10^6

Prime Factorization of 128214721

Prime Factorization 128214721

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 128214721
Product of the distinct prime numbers

The prime factorization of 128214721 is 128214721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 5, 33, 15, 590, 54, 9527, 9060, 9566, 7445, 770505, 627021, 2981438, 4413352, 12559563, 19478380, 832067796, 324103652, 6895848900, 3498032964

Basic calculations (n = 128214721)

Multiplication

n×y
n×2 256429442
n×3 384644163
n×4 512858884
n×5 641073605

Division

n÷y
n÷2 64107360.5
n÷3 42738240.333333
n÷3 32053680.25
n÷5 25642944.2

Exponentiation

ny
n2 16439014681107841
n3 2.1077236808531E+24
n4 2.7024120368568E+32
n5 3.4648900533264E+40

Nth Root

y√n
2√n 11323.193939874
3√n 504.2500661826
4√n 106.41049731993
5√n 41.839605245382

Divisors of 128214721

1, 128214721

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 128214722
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 64107361
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11323.193984031
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999844012
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128214721 can be divided by 2 positive divisors. The sum of these divisors (counting 128214721) is 128214722, the average is 64107361.

Base conversion 128214721

Base System Value
2 Binary 111101001000110011011000001
3 Ternary 22221020222112101
4 Quaternary 13221012123001
5 Quinary 230310332341
6 Senary 20420030401
8 Octal 751063301
10 Decimal 128214721
12 Duodecimal 36b32401
16 Hexadecimal 7a466c1
20 Vigesimal 2016gg1
36 Base36 24c341

Cryptographic Hash Functions

md5 424240979211a44a1f19fae46760dc24
sha1 a2503ba887668ee24b2c1a67f429eb869d65098c
sha256 9b92d3951fc191354078369b97412d9c406b84d2518f7efa7c167850a2d672c8
sha512 b87a47636dd0d154c9be18b4eec0bca049dd5b5e9445ce4cd9d2ff4b292a7c6b1df34f26fbf032d685c83a52abad45216d477b9c3fb1012efd1210777121c539
ripemd-160 86010c5d82290d19418d5a32f4f3047842cbcc86

128214721 as geometric shapes

Circle

Radius = n
Diameter 256429442
Circumference 805596851.15133
Area 5.1644687754423E+16

Sphere

Radius = n
Volume 8.828812308754E+24
Surface area 2.0657875101769E+17
Circumference 805596851.15133

Square

Length = n
Perimeter 512858884
Area 16439014681107841
Diagonal 181322997.33408

Cube

Length = n
Surface area 98634088086647046
Volume 2.1077236808531E+24
Space diagonal 222074411.05027

Equilateral Triangle

Length = n
Perimeter 384644163
Area 7.1183021635124E+15
Altitude 111037205.52513

Triangular Pyramid

Length = n
Surface area 7.1183021635124E+15
Volume 2.4839761793312E+23
Height 60440999.111361