12912381 (number)

12912381 is an odd 8-digits composite number following 12912380 and preceding 12912382. In scientific notation, it is written as 1.2912381 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 8155080 positive integers (up to 12912381) that are relatively prime to 12912381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2912381 × 10^7
Engineering notation 1.2912381 × 10^6

Prime Factorization of 12912381

Prime Factorization 3 × 57 × 75511

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12912381
Product of the distinct prime numbers

The prime factorization of 12912381 is 3 × 57 × 75511. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12912381)

Multiplication

n×y
n×2 25824762
n×3 38737143
n×4 51649524
n×5 64561905

Division

n÷y
n÷2 6456190.5
n÷3 4304127
n÷3 3228095.25
n÷5 2582476.2

Exponentiation

ny
n2 166729583089161
n3 2.1528759008184E+21
n4 2.7798753877085E+28
n5 3.5894810138615E+35

Nth Root

y√n
2√n 3593.3801635786
3√n 234.60401699896
4√n 59.944809313055
5√n 26.436336206993

Divisors of 12912381

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12912380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12912381 can be divided by 8 positive divisors. The sum of these divisors (counting 12912381) is 1, the average is 0.125.

Base conversion 12912381

Base System Value
2 Binary 110001010000011011111101
3 Ternary 220022000110100
4 Quaternary 301100123331
5 Quinary 11301144011
6 Senary 1140431313
8 Octal 61203375
10 Decimal 12912381
12 Duodecimal 43a8539
16 Hexadecimal c506fd
20 Vigesimal 40e0j1
36 Base36 7or99

Cryptographic Hash Functions

md5 453aa530731ab0bf4c5bd6792463a7e6
sha1 95114f7baa0fc966b80893563a3e9e96723647d4
sha256 c8a2d1e1ceb4ed5fbb524c08dc25712a7b708bcc81d9e45cda320dcec67fe396
sha512 1e1a6b5a02a283ef03ba896b0e0fd23aa6a8f74909c183794d3cd3d8e6c06effc571613485db6dd20eca75e752fa8f7f5e0e39f8d667f504160b5f0e9c3c5d2f
ripemd-160 eb07bba771080430e97810ceb0687b5e5653ba68

12912381 as geometric shapes

Circle

Radius = n
Diameter 25824762
Circumference 81130882.579905
Area 5.23796433369E+14

Sphere

Radius = n
Volume 9.0179454854688E+21
Surface area 2.095185733476E+15
Circumference 81130882.579905

Square

Length = n
Perimeter 51649524
Area 166729583089161
Diagonal 18260864.332729

Cube

Length = n
Surface area 1000377498534966
Volume 2.1528759008184E+21
Space diagonal 22364899.938687

Equilateral Triangle

Length = n
Perimeter 38737143
Area 72196027258801
Altitude 11182449.969344

Triangular Pyramid

Length = n
Surface area 72196027258801
Volume 2.5371885808697E+20
Height 6086954.7775762