12912989 (number)

12912989 is an odd 8-digits composite number following 12912988 and preceding 12912990. In scientific notation, it is written as 1.2912989 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 12171600 positive integers (up to 12912989) that are relatively prime to 12912989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2912989 × 10^7
Engineering notation 1.2912989 × 10^6

Prime Factorization of 12912989

Prime Factorization 19 × 211 × 3221

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12912989
Product of the distinct prime numbers

The prime factorization of 12912989 is 19 × 211 × 3221. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12912989)

Multiplication

n×y
n×2 25825978
n×3 38738967
n×4 51651956
n×5 64564945

Division

n÷y
n÷2 6456494.5
n÷3 4304329.6666667
n÷3 3228247.25
n÷5 2582597.8

Exponentiation

ny
n2 166745284914121
n3 2.1531800298979E+21
n4 2.7803990041091E+28
n5 3.5903261755672E+35

Nth Root

y√n
2√n 3593.4647625933
3√n 234.60769917561
4√n 59.945514949772
5√n 26.436585161693

Divisors of 12912989

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 -12912988
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 12912989 can be divided by 8 positive divisors. The sum of these divisors (counting 12912989) is 1, the average is 0.125.

Base conversion 12912989

Base System Value
2 Binary 110001010000100101011101
3 Ternary 220022001021212
4 Quaternary 301100211131
5 Quinary 11301203424
6 Senary 1140434205
8 Octal 61204535
10 Decimal 12912989
12 Duodecimal 43a8965
16 Hexadecimal c5095d
20 Vigesimal 40e299
36 Base36 7orq5

Cryptographic Hash Functions

md5 7aadb9dcf3c9b6aa0f749fae55c97e87
sha1 88173dac67ca29a00cbb5bb98531ecd94a6cfdfe
sha256 a46b887be6ed6dbc2c1554ddd29427cc97402a7511aff01936aaf07b9c4ca7fa
sha512 76ee5f0d8555ba01be1ebb7716659a62e4a4389acd4b0425ee496d19937608b504f5402956bc61542e6bcfde6d65b8b1e4f86db2906db95c72c61b1ec2ce0aac
ripemd-160 18e0f1b3bdd2af2e0435c0d2a1c5e8a2d9527732

12912989 as geometric shapes

Circle

Radius = n
Diameter 25825978
Circumference 81134702.756572
Area 5.2384576210694E+14

Sphere

Radius = n
Volume 9.019219418378E+21
Surface area 2.0953830484278E+15
Circumference 81134702.756572

Square

Length = n
Perimeter 51651956
Area 166745284914121
Diagonal 18261724.174575

Cube

Length = n
Surface area 1000471709484726
Volume 2.1531800298979E+21
Space diagonal 22365953.025578

Equilateral Triangle

Length = n
Perimeter 38738967
Area 72202826348451
Altitude 11182976.512789

Triangular Pyramid

Length = n
Surface area 72202826348451
Volume 2.5375470004271E+20
Height 6087241.3915249