128214720 (number)

128214720 is an even 9-digits composite number following 128214719 and preceding 128214721. In scientific notation, it is written as 1.28214720 × 10^8. The sum of its digits is 27. It has a total of 10 prime factors and 84 positive divisors. There are 34189824 positive integers (up to 128214720) that are relatively prime to 128214720.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28214720 × 10^8
Engineering notation 1.28214720 × 10^6

Prime Factorization of 128214720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 44519

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 1335570
Product of the distinct prime numbers

The prime factorization of 128214720 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 44519. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128214720)

Multiplication

n×y
n×2 256429440
n×3 384644160
n×4 512858880
n×5 641073600

Division

n÷y
n÷2 64107360
n÷3 42738240
n÷3 32053680
n÷5 25642944

Exponentiation

ny
n2 16439014424678400
n3 2.1077236315361E+24
n4 2.7024119525478E+32
n5 3.4648899182058E+40

Nth Root

y√n
2√n 11323.193895717
3√n 504.25006487165
4√n 106.41049711244
5√n 41.839605180117

Divisors of 128214720

84 divisors

τ Total Divisors 84
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128214719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.011904761904762
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 84
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128214720 can be divided by 84 positive divisors. The sum of these divisors (counting 128214720) is 1, the average is 0.011904761904762.

Base conversion 128214720

Base System Value
2 Binary 111101001000110011011000000
3 Ternary 22221020222112100
4 Quaternary 13221012123000
5 Quinary 230310332340
6 Senary 20420030400
8 Octal 751063300
10 Decimal 128214720
12 Duodecimal 36b32400
16 Hexadecimal 7a466c0
20 Vigesimal 2016gg0
36 Base36 24c340

Cryptographic Hash Functions

md5 3b8b91ea2baeb325a25aa2abe3a3ad13
sha1 44e883800af838d5a3f234b4276a5fda28cd2af5
sha256 d5e19645c2aae58d34de12eee7a5cbbd2006e9e1074a85bdfd0fa5a7e6d583bb
sha512 4b34731d48e1f8701672f092c7a85b882dbf4ed94d4bd30cd16be92e0d128fea0d03399b3db2559c34f9fbb3b1549ab43e0a24ce3aa9ee6d76aac168e540eef4
ripemd-160 7923008673fa8746240c91cfc6f9d8561dc487cc

128214720 as geometric shapes

Circle

Radius = n
Diameter 256429440
Circumference 805596844.86814
Area 5.1644686948826E+16

Sphere

Radius = n
Volume 8.8288121021752E+24
Surface area 2.0657874779531E+17
Circumference 805596844.86814

Square

Length = n
Perimeter 512858880
Area 16439014424678400
Diagonal 181322995.91987

Cube

Length = n
Surface area 98634086548070400
Volume 2.1077236315361E+24
Space diagonal 222074409.31822

Equilateral Triangle

Length = n
Perimeter 384644160
Area 7.1183020524752E+15
Altitude 111037204.65911

Triangular Pyramid

Length = n
Surface area 7.1183020524752E+15
Volume 2.4839761212105E+23
Height 60440998.639956