12721861 (number)

12721861 is an odd 8-digits composite number following 12721860 and preceding 12721862. In scientific notation, it is written as 1.2721861 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 12711424 positive integers (up to 12721861) that are relatively prime to 12721861.

Interesting facts

Basic properties

Name

Name twelve million seven hundred twenty-one thousand eight hundred sixty-one

Notation

Scientific notation 1.2721861 × 10^7
Engineering notation 1.2721861 × 10^6

Prime Factorization of 12721861

Prime Factorization 1409 × 9029

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12721861
Product of the distinct prime numbers

The prime factorization of 12721861 is 1409 × 9029. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 87, 20, 398, 929, 9426, 9808, 55313, 32254, 844396, 780163, 8979825, 4395602, 1701053, 17444377, 203297643, 387304050, 3158838071, 2750742766

Basic calculations (n = 12721861)

Multiplication

n×y
n×2 25443722
n×3 38165583
n×4 50887444
n×5 63609305

Division

n÷y
n÷2 6360930.5
n÷3 4240620.3333333
n÷3 3180465.25
n÷5 2544372.2

Exponentiation

ny
n2 161845747303321
n3 2.058979100634E+21
n4 2.619404592017E+28
n5 3.3323701122403E+35

Nth Root

y√n
2√n 3566.7717897281
3√n 233.44444753212
4√n 59.72245632698
5√n 26.357858927605

Divisors of 12721861

1, 1409, 9029, 12721861

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12721860
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12721861 can be divided by 4 positive divisors. The sum of these divisors (counting 12721861) is 1, the average is 0.25.

Base conversion 12721861

Base System Value
2 Binary 110000100001111011000101
3 Ternary 212221100010001
4 Quaternary 300201323011
5 Quinary 11224044421
6 Senary 1132401301
8 Octal 60417305
10 Decimal 12721861
12 Duodecimal 4316231
16 Hexadecimal c21ec5
20 Vigesimal 3ja4d1
36 Base36 7ko91

Cryptographic Hash Functions

md5 95f92a80c7ee8a5ca917b6dba4748b21
sha1 0091b1845123c42f0828bb75c6ba98a386cfd858
sha256 444289d48f1b399f995e3e00c82581367465278ea30f882066de4e6080ab238d
sha512 f30ae1cdf1f23f45e6e84c44cde21f59fec5761ad1105486657a25f9936d8193299799cf8a8229b6df5efdb52878ebc7bcb9eb177f97ff7694e62a20fc688710
ripemd-160 c51c202585e8dee02b1c43a8479705883695eafe

12721861 as geometric shapes

Circle

Radius = n
Diameter 25443722
Circumference 79933810.115181
Area 5.0845341074286E+14

Sphere

Radius = n
Volume 8.6246314885955E+21
Surface area 2.0338136429715E+15
Circumference 79933810.115181

Square

Length = n
Perimeter 50887444
Area 161845747303321
Diagonal 17991428.364825

Cube

Length = n
Surface area 971074483819926
Volume 2.058979100634E+21
Space diagonal 22034909.618829

Equilateral Triangle

Length = n
Perimeter 38165583
Area 70081264329576
Altitude 11017454.809415

Triangular Pyramid

Length = n
Surface area 70081264329576
Volume 2.4265301406328E+20
Height 5997142.7882751