12720121 (number)

12720121 is an odd 8-digits composite number following 12720120 and preceding 12720122. In scientific notation, it is written as 1.2720121 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 12688000 positive integers (up to 12720121) that are relatively prime to 12720121.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2720121 × 10^7
Engineering notation 1.2720121 × 10^6

Prime Factorization of 12720121

Prime Factorization 31721 × 401

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12720121
Product of the distinct prime numbers

The prime factorization of 12720121 is 31721 × 401. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12720121)

Multiplication

n×y
n×2 25440242
n×3 38160363
n×4 50880484
n×5 63600605

Division

n÷y
n÷2 6360060.5
n÷3 4240040.3333333
n÷3 3180030.25
n÷5 2544024.2

Exponentiation

ny
n2 161801478254641
n3 2.0581343813779E+21
n4 2.6179718365387E+28
n5 3.3300918535365E+35

Nth Root

y√n
2√n 3566.5278633427
3√n 233.43380412445
4√n 59.72041412568
5√n 26.357137882408

Divisors of 12720121

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 -12720120
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 12720121 can be divided by 4 positive divisors. The sum of these divisors (counting 12720121) is 1, the average is 0.25.

Base conversion 12720121

Base System Value
2 Binary 110000100001011111111001
3 Ternary 212221020201121
4 Quaternary 300201133321
5 Quinary 11224020441
6 Senary 1132345241
8 Octal 60413771
10 Decimal 12720121
12 Duodecimal 4315221
16 Hexadecimal c217f9
20 Vigesimal 3ja061
36 Base36 7kmwp

Cryptographic Hash Functions

md5 97f13487964c83a1b608f27855e36a89
sha1 d628cc9e28e425d85c6b0c4c1557ac819de2bd62
sha256 488016d4a2b0e6332dae678d661dab59eb8dd102a1d11e8de9004cc7f81ad900
sha512 0869afaba0ebec858b7265b113630929a58a16fcb0c399b28b9c4f786796adb219752e2ef4169cb0967ed23151e1ff8da0d34cec53f7e694f59b088a70416d6a
ripemd-160 a39587edc472022a13a8c4753f4a0338acda9d0a

12720121 as geometric shapes

Circle

Radius = n
Diameter 25440242
Circumference 79922877.372747
Area 5.0831433542475E+14

Sphere

Radius = n
Volume 8.6210931368499E+21
Surface area 2.033257341699E+15
Circumference 79922877.372747

Square

Length = n
Perimeter 50880484
Area 161801478254641
Diagonal 17988967.633227

Cube

Length = n
Surface area 970808869527846
Volume 2.0581343813779E+21
Space diagonal 22031895.850424

Equilateral Triangle

Length = n
Perimeter 38160363
Area 70062095269197
Altitude 11015947.925212

Triangular Pyramid

Length = n
Surface area 70062095269197
Volume 2.4255346294425E+20
Height 5996322.5444089