12912390 (number)

12912390 is an even 8-digits composite number following 12912389 and preceding 12912391. In scientific notation, it is written as 1.2912390 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 3377088 positive integers (up to 12912390) that are relatively prime to 12912390.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twelve thousand three hundred ninety

Notation

Scientific notation 1.2912390 × 10^7
Engineering notation 1.2912390 × 10^6

Prime Factorization of 12912390

Prime Factorization 2 × 45 × 53 × 2707

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12912390
Product of the distinct prime numbers

The prime factorization of 12912390 is 2 × 45 × 53 × 2707. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 67, 76, 732, 337, 7694, 2724, 46996, 87359, 181665, 267800, 1220454, 6364213, 76688909, 17121176, 384461296, 848191247, 1910919018, 8353737832

Basic calculations (n = 12912390)

Multiplication

n×y
n×2 25824780
n×3 38737170
n×4 51649560
n×5 64561950

Division

n÷y
n÷2 6456195
n÷3 4304130
n÷3 3228097.5
n÷5 2582478

Exponentiation

ny
n2 166729815512100
n3 2.1528804025203E+21
n4 2.7798831380699E+28
n5 3.5894935233182E+35

Nth Root

y√n
2√n 3593.3814158811
3√n 234.60407150571
4√n 59.944819758517
5√n 26.436339892246

Divisors of 12912390

1, 2, 45, 53, 90, 106, 2385, 2707, 4770, 5414, 121815, 143471, 243630, 286942, 6456195, 12912390

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12912389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12912390 can be divided by 16 positive divisors. The sum of these divisors (counting 12912390) is 1, the average is 0.0625.

Base conversion 12912390

Base System Value
2 Binary 110001010000011100000110
3 Ternary 220022000110200
4 Quaternary 301100130012
5 Quinary 11301144030
6 Senary 1140431330
8 Octal 61203406
10 Decimal 12912390
12 Duodecimal 43a8546
16 Hexadecimal c50706
20 Vigesimal 40e0ja
36 Base36 7or9i

Cryptographic Hash Functions

md5 1daf715bf3c6b2cc9c57eb3b9b0e9cdd
sha1 090e1227a0cfee16315b5b13a65917578be0ed0b
sha256 5ed29748b218faf81d0fc82f340047f6086a516d5a03192e7f4c82448add3663
sha512 3cc7c2b9944e7960fa8865fbc70283774be6b7a7a4454b0563703b18e60eff145a703c3db055ef809a1dfdf14823fa0b6fa70d391b561dabb8b7c3164d8a8724
ripemd-160 f82bc2bbb527d64de71682b4c35b73cb1986731a

12912390 as geometric shapes

Circle

Radius = n
Diameter 25824780
Circumference 81130939.128573
Area 5.2379716354719E+14

Sphere

Radius = n
Volume 9.0179643421536E+21
Surface area 2.0951886541888E+15
Circumference 81130939.128573

Square

Length = n
Perimeter 51649560
Area 166729815512100
Diagonal 18260877.060651

Cube

Length = n
Surface area 1000378893072600
Volume 2.1528804025203E+21
Space diagonal 22364915.527144

Equilateral Triangle

Length = n
Perimeter 38737170
Area 72196127900886
Altitude 11182457.763572

Triangular Pyramid

Length = n
Surface area 72196127900886
Volume 2.5371938861762E+20
Height 6086959.0202169