12961388 (number)

12961388 is an even 8-digits composite number following 12961387 and preceding 12961389. In scientific notation, it is written as 1.2961388 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 5864400 positive integers (up to 12961388) that are relatively prime to 12961388.

Interesting facts

Basic properties

Name

Name twelve million nine hundred sixty-one thousand three hundred eighty-eight

Notation

Scientific notation 1.2961388 × 10^7
Engineering notation 1.2961388 × 10^6

Prime Factorization of 12961388

Prime Factorization 2 × 2 × 11 × 271 × 1087

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6480694
Product of the distinct prime numbers

The prime factorization of 12961388 is 2 × 2 × 11 × 271 × 1087. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 72, 24, 870, 111, 7012, 958, 10174, 48014, 468333, 848112, 3590253, 7574385, 11361824, 26049283, 881345242, 843836717, 2390674252, 5788102407

Basic calculations (n = 12961388)

Multiplication

n×y
n×2 25922776
n×3 38884164
n×4 51845552
n×5 64806940

Division

n÷y
n÷2 6480694
n÷3 4320462.6666667
n÷3 3240347
n÷5 2592277.6

Exponentiation

ny
n2 167997578886544
n3 2.1774818030091E+21
n4 2.8223186511741E+28
n5 3.6581167097504E+35

Nth Root

y√n
2√n 3600.1927726165
3√n 234.90044372061
4√n 60.001606416966
5√n 26.456372839213

Divisors of 12961388

1, 2, 4, 11, 22, 44, 271, 542, 1084, 1087, 2174, 2981, 4348, 5962, 11924, 11957, 23914, 47828, 294577, 589154, 1178308, 3240347, 6480694, 12961388

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12961387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12961388 can be divided by 24 positive divisors. The sum of these divisors (counting 12961388) is 1, the average is 0.041666666666667.

Base conversion 12961388

Base System Value
2 Binary 110001011100011001101100
3 Ternary 220101111200102
4 Quaternary 301130121230
5 Quinary 11304231023
6 Senary 1141450232
8 Octal 61343154
10 Decimal 12961388
12 Duodecimal 4410978
16 Hexadecimal c5c66c
20 Vigesimal 410398
36 Base36 7pt2k

Cryptographic Hash Functions

md5 5853c1a77e6e0fc4dc517dfc7ade5d42
sha1 ca2f53f44c5a88e425469518c006f533a363f5f1
sha256 4b84fdcc89bceb9a71c99ed35333bc28d30633a3d175de7aa9d3240902db7225
sha512 5fd6c18b28c7412e0bae32138038602d060b0acf20d10061e88d059ff567e91d9644e9445386113af8c084997babd291782e9143ab145086fba624d4260f5c16
ripemd-160 2d07e5e4a35f28f27692c3182b30abff445c70c3

12961388 as geometric shapes

Circle

Radius = n
Diameter 25922776
Circumference 81438802.642254
Area 5.2777995965084E+14

Sphere

Radius = n
Volume 9.1210144475451E+21
Surface area 2.1111198386034E+15
Circumference 81438802.642254

Square

Length = n
Perimeter 51845552
Area 167997578886544
Diagonal 18330170.69678

Cube

Length = n
Surface area 1007985473319264
Volume 2.1774818030091E+21
Space diagonal 22449782.552614

Equilateral Triangle

Length = n
Perimeter 38884164
Area 72745085545014
Altitude 11224891.276307

Triangular Pyramid

Length = n
Surface area 72745085545014
Volume 2.5661869146967E+20
Height 6110056.8989266