12889721 (number)

12889721 is an odd 8-digits composite number following 12889720 and preceding 12889722. In scientific notation, it is written as 1.2889721 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 11779200 positive integers (up to 12889721) that are relatively prime to 12889721.

Interesting facts

Basic properties

Name

Name twelve million eight hundred eighty-nine thousand seven hundred twenty-one

Notation

Scientific notation 1.2889721 × 10^7
Engineering notation 1.2889721 × 10^6

Prime Factorization of 12889721

Prime Factorization 13 × 101 × 9817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12889721
Product of the distinct prime numbers

The prime factorization of 12889721 is 13 × 101 × 9817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12889721)

Multiplication

n×y
n×2 25779442
n×3 38669163
n×4 51558884
n×5 64448605

Division

n÷y
n÷2 6444860.5
n÷3 4296573.6666667
n÷3 3222430.25
n÷5 2577944.2

Exponentiation

ny
n2 166144907457841
n3 2.1415615027024E+21
n4 2.7604130274175E+28
n5 3.5580953768176E+35

Nth Root

y√n
2√n 3590.2257589182
3√n 234.46670073311
4√n 59.918492628889
5√n 26.427051035959

Divisors of 12889721

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 -12889720
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 12889721 can be divided by 8 positive divisors. The sum of these divisors (counting 12889721) is 1, the average is 0.125.

Base conversion 12889721

Base System Value
2 Binary 110001001010111001111001
3 Ternary 220020212101002
4 Quaternary 301022321321
5 Quinary 11244432341
6 Senary 1140134345
8 Octal 61127171
10 Decimal 12889721
12 Duodecimal 43973b5
16 Hexadecimal c4ae79
20 Vigesimal 40b461
36 Base36 7o9rt

Cryptographic Hash Functions

md5 60a5ee10c201b1ec9174f4952ffa7c81
sha1 475e12423ab8f87a12e890513a35834e0fa36876
sha256 1176e205bd430ba2bf46fc232763b44f85efc8236c39b4ac76162868ead3535c
sha512 6971b6d75eceb9497abc42ac9005e29e3637f5398d5f51cbb78a3da80b8b22579ecdf18408209f040a224c939569a2526b7a199370edfb574286c07a3b8c529a
ripemd-160 a960fe898e60fbe2e6f897dedf45ec34c3b6852a

12889721 as geometric shapes

Circle

Radius = n
Diameter 25779442
Circumference 80988505.600844
Area 5.2195962070091E+14

Sphere

Radius = n
Volume 8.9705518454674E+21
Surface area 2.0878384828036E+15
Circumference 80988505.600844

Square

Length = n
Perimeter 51558884
Area 166144907457841
Diagonal 18228818.253405

Cube

Length = n
Surface area 996869444747046
Volume 2.1415615027024E+21
Space diagonal 22325651.667388

Equilateral Triangle

Length = n
Perimeter 38669163
Area 71942855283952
Altitude 11162825.833694

Triangular Pyramid

Length = n
Surface area 71942855283952
Volume 2.5238544348149E+20
Height 6076272.7511351