12856721 (number)

12856721 is an odd 8-digits prime number following 12856720 and preceding 12856722. In scientific notation, it is written as 1.2856721 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 12856720 positive integers (up to 12856721) that are relatively prime to 12856721.

Interesting facts

Basic properties

Name

Name twelve million eight hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation 1.2856721 × 10^7
Engineering notation 1.2856721 × 10^6

Prime Factorization of 12856721

Prime Factorization 12856721

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 12856721
Product of the distinct prime numbers

The prime factorization of 12856721 is 12856721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12856721)

Multiplication

n×y
n×2 25713442
n×3 38570163
n×4 51426884
n×5 64283605

Division

n÷y
n÷2 6428360.5
n÷3 4285573.6666667
n÷3 3214180.25
n÷5 2571344.2

Exponentiation

ny
n2 165295274871841
n3 2.1251552316456E+21
n4 2.7322527894957E+28
n5 3.5127811816019E+35

Nth Root

y√n
2√n 3585.6270023526
3√n 234.26643744897
4√n 59.880105229973
5√n 26.413505558224

Divisors of 12856721

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 12856722
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 6428361
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3585.6271417982
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998444394
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12856721 can be divided by 2 positive divisors. The sum of these divisors (counting 12856721) is 12856722, the average is 6428361.

Base conversion 12856721

Base System Value
2 Binary 110001000010110110010001
3 Ternary 220012012002212
4 Quaternary 301002312101
5 Quinary 11242403341
6 Senary 1135321505
8 Octal 61026621
10 Decimal 12856721
12 Duodecimal 4380295
16 Hexadecimal c42d91
20 Vigesimal 4071g1
36 Base36 7nkb5

Cryptographic Hash Functions

md5 ceebc114ac59632df1a2ab1687c6ebff
sha1 e0a0bee8e9abb8d894c0516c113c8832ab6094d4
sha256 5bcaf76e84f902d16ca5b14d640b9506211fec71f54147a366edb98d554c66cd
sha512 982110105d5fbf2cd66bd7d7f19cb2a13c88a2750bf88b137df3fef161b133cd0c9b0b1464e2114bebbc3138d62559c8dbdedaf838ec3d825db48f1fd96b8ad9
ripemd-160 cdf7d6f1fa5307774e3a17ad51fa59199bcd65a7

12856721 as geometric shapes

Circle

Radius = n
Diameter 25713442
Circumference 80781160.485707
Area 5.1929042121048E+14

Sphere

Radius = n
Volume 8.9018294179675E+21
Surface area 2.0771616848419E+15
Circumference 80781160.485707

Square

Length = n
Perimeter 51426884
Area 165295274871841
Diagonal 18182149.205847

Cube

Length = n
Surface area 991771649231046
Volume 2.1251552316456E+21
Space diagonal 22268493.990738

Equilateral Triangle

Length = n
Perimeter 38570163
Area 71574953582273
Altitude 11134246.995369

Triangular Pyramid

Length = n
Surface area 71574953582273
Volume 2.5045194589511E+20
Height 6060716.401949