12938891 (number)

12938891 is an odd 8-digits composite number following 12938890 and preceding 12938892. In scientific notation, it is written as 1.2938891 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 6 positive divisors. There are 11090436 positive integers (up to 12938891) that are relatively prime to 12938891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2938891 × 10^7
Engineering notation 1.2938891 × 10^6

Prime Factorization of 12938891

Prime Factorization 7 × 7 × 264059

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1848413
Product of the distinct prime numbers

The prime factorization of 12938891 is 7 × 7 × 264059. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12938891)

Multiplication

n×y
n×2 25877782
n×3 38816673
n×4 51755564
n×5 64694455

Division

n÷y
n÷2 6469445.5
n÷3 4312963.6666667
n÷3 3234722.75
n÷5 2587778.2

Exponentiation

ny
n2 167414900309881
n3 2.1661631468854E+21
n4 2.8027748845767E+28
n5 3.6264798729076E+35

Nth Root

y√n
2√n 3597.066999654
3√n 234.76445993836
4√n 59.975553350128
5√n 26.447182424159

Divisors of 12938891

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12938890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12938891 can be divided by 6 positive divisors. The sum of these divisors (counting 12938891) is 1, the average is 0.16666666666667.

Base conversion 12938891

Base System Value
2 Binary 110001010110111010001011
3 Ternary 220100100211012
4 Quaternary 301112322023
5 Quinary 11303021031
6 Senary 1141154135
8 Octal 61267213
10 Decimal 12938891
12 Duodecimal 43bb94b
16 Hexadecimal c56e8b
20 Vigesimal 40h74b
36 Base36 7pbpn

Cryptographic Hash Functions

md5 1b0ad102a7fbf061f89ca212a9825526
sha1 c552350f4b7d5a500a987484356f90f34e590f09
sha256 c3a02bb7d6f5a642301edb29f335a9386b315a55c5667255aaeb3444f79f3d24
sha512 8dd0d83b342329a0b88ed3d05c115329fc08dcc78864a0b15275485cf1347cb58980dd4d9184aaf92c5e48db8c621464082566b727c097b6a3717b7875c335a0
ripemd-160 a3311deab00e77f46d8a55bad8f411915f7852b3

12938891 as geometric shapes

Circle

Radius = n
Diameter 25877782
Circumference 81297449.822398
Area 5.2594942091499E+14

Sphere

Radius = n
Volume 9.0736029716429E+21
Surface area 2.10379768366E+15
Circumference 81297449.822398

Square

Length = n
Perimeter 51755564
Area 167414900309881
Diagonal 18298355.134267

Cube

Length = n
Surface area 1004489401859286
Volume 2.1661631468854E+21
Space diagonal 22410816.605596

Equilateral Triangle

Length = n
Perimeter 38816673
Area 72492778320198
Altitude 11205408.302798

Triangular Pyramid

Length = n
Surface area 72492778320198
Volume 2.5528477505318E+20
Height 6099451.7114224