12912138 (number)

12912138 is an even 8-digits composite number following 12912137 and preceding 12912139. In scientific notation, it is written as 1.2912138 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 4304040 positive integers (up to 12912138) that are relatively prime to 12912138.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twelve thousand one hundred thirty-eight

Notation

Scientific notation 1.2912138 × 10^7
Engineering notation 1.2912138 × 10^6

Prime Factorization of 12912138

Prime Factorization 2 × 9 × 717341

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12912138
Product of the distinct prime numbers

The prime factorization of 12912138 is 2 × 9 × 717341. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12912138)

Multiplication

n×y
n×2 25824276
n×3 38736414
n×4 51648552
n×5 64560690

Division

n÷y
n÷2 6456069
n÷3 4304046
n÷3 3228034.5
n÷5 2582427.6

Exponentiation

ny
n2 166723307731044
n3 2.1527543572397E+21
n4 2.779666134078E+28
n5 3.5891432717142E+35

Nth Root

y√n
2√n 3593.3463512442
3√n 234.60254530721
4√n 59.944527283516
5√n 26.436236704383

Divisors of 12912138

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 -12912137
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 12912138 can be divided by 8 positive divisors. The sum of these divisors (counting 12912138) is 1, the average is 0.125.

Base conversion 12912138

Base System Value
2 Binary 110001010000011000001010
3 Ternary 220022000010100
4 Quaternary 301100120022
5 Quinary 11301142023
6 Senary 1140430230
8 Octal 61203012
10 Decimal 12912138
12 Duodecimal 43a8376
16 Hexadecimal c5060a
20 Vigesimal 40e06i
36 Base36 7or2i

Cryptographic Hash Functions

md5 a2a354b23e62e2b13bc9517570676fd8
sha1 23379e4dd966ad361ec55af5f22414046f307a95
sha256 a1427a0f6ca076233dc99a3e847481561b01e8af4fbbbf88b3f009c19bbe4a96
sha512 2dddfc38785eb838a0cd07311f2b3159ad57a1a6a494966a52e39af7a3973a7d8027d952dd58a16e245a8e89cdd5d93a7839f664fc29fe415958a32090a0fc07
ripemd-160 ef0b1f15d0e3c73ddca976e1f3bba79bf31073f9

12912138 as geometric shapes

Circle

Radius = n
Diameter 25824276
Circumference 81129355.765875
Area 5.2377671875004E+14

Sphere

Radius = n
Volume 9.0174363649169E+21
Surface area 2.0951068750002E+15
Circumference 81129355.765875

Square

Length = n
Perimeter 51648552
Area 166723307731044
Diagonal 18260520.678833

Cube

Length = n
Surface area 1000339846386264
Volume 2.1527543572397E+21
Space diagonal 22364479.050341

Equilateral Triangle

Length = n
Perimeter 38736414
Area 72193309949027
Altitude 11182239.52517

Triangular Pyramid

Length = n
Surface area 72193309949027
Volume 2.5370453403885E+20
Height 6086840.2262777