12981911 (number)

12981911 is an odd 8-digits prime number following 12981910 and preceding 12981912. In scientific notation, it is written as 1.2981911 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 12981910 positive integers (up to 12981911) that are relatively prime to 12981911.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand nine hundred eleven

Notation

Scientific notation 1.2981911 × 10^7
Engineering notation 1.2981911 × 10^6

Prime Factorization of 12981911

Prime Factorization 12981911

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 12981911
Product of the distinct prime numbers

The prime factorization of 12981911 is 12981911. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981911)

Multiplication

n×y
n×2 25963822
n×3 38945733
n×4 51927644
n×5 64909555

Division

n÷y
n÷2 6490955.5
n÷3 4327303.6666667
n÷3 3245477.75
n÷5 2596382.2

Exponentiation

ny
n2 168530013211921
n3 2.187841632346E+21
n4 2.840236535321E+28
n5 3.6871697920486E+35

Nth Root

y√n
2√n 3603.0419092761
3√n 235.02435842273
4√n 60.025343891361
5√n 26.4647457168

Divisors of 12981911

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 12981912
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 6490956
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3603.0420480477
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998459395
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981911 can be divided by 2 positive divisors. The sum of these divisors (counting 12981911) is 12981912, the average is 6490956.

Base conversion 12981911

Base System Value
2 Binary 110001100001011010010111
3 Ternary 220102112211112
4 Quaternary 301201122113
5 Quinary 11310410121
6 Senary 1142125235
8 Octal 61413227
10 Decimal 12981911
12 Duodecimal 442081b
16 Hexadecimal c61697
20 Vigesimal 412efb
36 Base36 7q8wn

Cryptographic Hash Functions

md5 84c824e69257e6bee7067a7b5867177f
sha1 d0dcbc367029fe9093109b485d509238816b7639
sha256 fb192c27c42c80d3c60c01f70eb58c7501602e856363943a692e93e4bb74e777
sha512 7e49470a7a28d7cfd509522df3669bfd8b2febbfff80613f8ffcde74412e0d853288206ccef678e3b53c82a8c746f0abc0e22ffad29e0a8fcc0c9aa6f625f462
ripemd-160 f7367fa4a65a3636ad0d9633127ba596de4b772f

12981911 as geometric shapes

Circle

Radius = n
Diameter 25963822
Circumference 81567752.454313
Area 5.2945265141596E+14

Sphere

Radius = n
Volume 9.1644095991947E+21
Surface area 2.1178106056638E+15
Circumference 81567752.454313

Square

Length = n
Perimeter 51927644
Area 168530013211921
Diagonal 18359194.60172

Cube

Length = n
Surface area 1011180079271526
Volume 2.187841632346E+21
Space diagonal 22485329.431337

Equilateral Triangle

Length = n
Perimeter 38945733
Area 72975636370825
Altitude 11242664.715669

Triangular Pyramid

Length = n
Surface area 72975636370825
Volume 2.5783960906568E+20
Height 6119731.5339068