12888945 (number)

12888945 is an odd 8-digits composite number following 12888944 and preceding 12888946. In scientific notation, it is written as 1.2888945 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 6874080 positive integers (up to 12888945) that are relatively prime to 12888945.

Interesting facts

Basic properties

Name

Name twelve million eight hundred eighty-eight thousand nine hundred forty-five

Notation

Scientific notation 1.2888945 × 10^7
Engineering notation 1.2888945 × 10^6

Prime Factorization of 12888945

Prime Factorization 5 × 9 × 286421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12888945
Product of the distinct prime numbers

The prime factorization of 12888945 is 5 × 9 × 286421. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12888945)

Multiplication

n×y
n×2 25777890
n×3 38666835
n×4 51555780
n×5 64444725

Division

n÷y
n÷2 6444472.5
n÷3 4296315
n÷3 3222236.25
n÷5 2577789

Exponentiation

ny
n2 166124903213025
n3 2.141174740643E+21
n4 2.7597483467537E+28
n5 3.5570244655149E+35

Nth Root

y√n
2√n 3590.1176860933
3√n 234.46199543832
4√n 59.917590790129
5√n 26.426732830693

Divisors of 12888945

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 -12888944
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 12888945 can be divided by 8 positive divisors. The sum of these divisors (counting 12888945) is 1, the average is 0.125.

Base conversion 12888945

Base System Value
2 Binary 110001001010101101110001
3 Ternary 220020211022100
4 Quaternary 301022231301
5 Quinary 11244421240
6 Senary 1140131013
8 Octal 61125561
10 Decimal 12888945
12 Duodecimal 4396a69
16 Hexadecimal c4ab71
20 Vigesimal 40b275
36 Base36 7o969

Cryptographic Hash Functions

md5 bb9d6a30e205ea6253fec24b425bc0eb
sha1 3e24f51a51c5f1c2d81b706c9669b97f2b0e4b3a
sha256 be574013a210bc1606b3e105b9d6e2611ae87a42a41654e09b563d42d1bc079d
sha512 20ce61461dc96ebf3e368697c65ca0390e67b15010f78a45ff5e7993bc53fb0203dc46ae821434418ded8835e089629c21fa863c6cc7b39b36ed5aafe16427ed
ripemd-160 8af9da2e1d43ff57f857737de6e2bf79c14a6e2a

12888945 as geometric shapes

Circle

Radius = n
Diameter 25777890
Circumference 80983629.849046
Area 5.2189677551235E+14

Sphere

Radius = n
Volume 8.9689317803414E+21
Surface area 2.0875871020494E+15
Circumference 80983629.849046

Square

Length = n
Perimeter 51555780
Area 166124903213025
Diagonal 18227720.823681

Cube

Length = n
Surface area 996749419278150
Volume 2.141174740643E+21
Space diagonal 22324307.595961

Equilateral Triangle

Length = n
Perimeter 38666835
Area 71934193191855
Altitude 11162153.79798

Triangular Pyramid

Length = n
Surface area 71934193191855
Volume 2.5233986313567E+20
Height 6075906.941227