12981912 (number)

12981912 is an even 8-digits composite number following 12981911 and preceding 12981913. In scientific notation, it is written as 1.2981912 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 4143360 positive integers (up to 12981912) that are relatively prime to 12981912.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2981912 × 10^7
Engineering notation 1.2981912 × 10^6

Prime Factorization of 12981912

Prime Factorization 2 × 2 × 2 × 123 × 79 × 167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3245478
Product of the distinct prime numbers

The prime factorization of 12981912 is 2 × 2 × 2 × 123 × 79 × 167. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981912)

Multiplication

n×y
n×2 25963824
n×3 38945736
n×4 51927648
n×5 64909560

Division

n÷y
n÷2 6490956
n÷3 4327304
n÷3 3245478
n÷5 2596382.4

Exponentiation

ny
n2 168530039175744
n3 2.1878421379361E+21
n4 2.8402374104578E+28
n5 3.6871712121671E+35

Nth Root

y√n
2√n 3603.0420480477
3√n 235.02436445739
4√n 60.025345047303
5√n 26.464746124517

Divisors of 12981912

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12981911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981912 can be divided by 32 positive divisors. The sum of these divisors (counting 12981912) is 1, the average is 0.03125.

Base conversion 12981912

Base System Value
2 Binary 110001100001011010011000
3 Ternary 220102112211120
4 Quaternary 301201122120
5 Quinary 11310410122
6 Senary 1142125240
8 Octal 61413230
10 Decimal 12981912
12 Duodecimal 4420820
16 Hexadecimal c61698
20 Vigesimal 412efc
36 Base36 7q8wo

Cryptographic Hash Functions

md5 2cff52271504c3264d383c33acbd4a64
sha1 07d57f7a962bc6ea0f8c62def594ea9604cc1ba6
sha256 f15afb68d5156f4d7d2e6f7a93a05d39701e34def0faac41eec304f003193359
sha512 c1808903787f8cc8435d08822a24ef194e0a04334c133351ca0b3c9bf5ca3a88976b7c5129d540de2a273b46e96f496976daaf93a0a26abf658e415bfa07a166
ripemd-160 8ff248fc9d49a9e3fe06665665f86965e8a71a65

12981912 as geometric shapes

Circle

Radius = n
Diameter 25963824
Circumference 81567758.737498
Area 5.2945273298372E+14

Sphere

Radius = n
Volume 9.1644117170055E+21
Surface area 2.1178109319349E+15
Circumference 81567758.737498

Square

Length = n
Perimeter 51927648
Area 168530039175744
Diagonal 18359196.015934

Cube

Length = n
Surface area 1011180235054464
Volume 2.1878421379361E+21
Space diagonal 22485331.163388

Equilateral Triangle

Length = n
Perimeter 38945736
Area 72975647613490
Altitude 11242665.581694

Triangular Pyramid

Length = n
Surface area 72975647613490
Volume 2.5783966865004E+20
Height 6119732.0053113