12912991 (number)

12912991 is an odd 8-digits composite number following 12912990 and preceding 12912992. In scientific notation, it is written as 1.2912991 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 9964800 positive integers (up to 12912991) that are relatively prime to 12912991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2912991 × 10^7
Engineering notation 1.2912991 × 10^6

Prime Factorization of 12912991

Prime Factorization 7 × 13 × 41 × 3461

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12912991
Product of the distinct prime numbers

The prime factorization of 12912991 is 7 × 13 × 41 × 3461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 78, 26, 579, 591, 8615, 1695, 3987, 17963, 35548, 429684, 4641418, 8552853, 74987593, 98246648, 180844591, 759638146, 6638602967, 7265100263

Basic calculations (n = 12912991)

Multiplication

n×y
n×2 25825982
n×3 38738973
n×4 51651964
n×5 64564955

Division

n÷y
n÷2 6456495.5
n÷3 4304330.3333333
n÷3 3228247.75
n÷5 2582598.2

Exponentiation

ny
n2 166745336566081
n3 2.1531810303698E+21
n4 2.7804007266536E+28
n5 3.5903289559671E+35

Nth Root

y√n
2√n 3593.4650408763
3√n 234.60771128785
4√n 59.945517270904
5√n 26.436585980607

Divisors of 12912991

1, 7, 13, 41, 91, 287, 533, 3461, 3731, 24227, 44993, 141901, 314951, 993307, 1844713, 12912991

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 -12912990
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 12912991 can be divided by 16 positive divisors. The sum of these divisors (counting 12912991) is 1, the average is 0.0625.

Base conversion 12912991

Base System Value
2 Binary 110001010000100101011111
3 Ternary 220022001021221
4 Quaternary 301100211133
5 Quinary 11301203431
6 Senary 1140434211
8 Octal 61204537
10 Decimal 12912991
12 Duodecimal 43a8967
16 Hexadecimal c5095f
20 Vigesimal 40e29b
36 Base36 7orq7

Cryptographic Hash Functions

md5 9985659288fcc59e718319e38a865d66
sha1 f5cf2647f74cb7daa9f7c5d9b89cb890de0be822
sha256 c81a49afe8da9655bfe7bd7fedb8ccb54eda8c5835f2ea0e31163b52fa352025
sha512 26ed764896a925b2a895cbc45a0d0167dd250ddfb1d8a419de762f737282a5b888136c439cb5483f1792cf6d04ecce19cb83c57ce3cdca3444f63bfbdb34f658
ripemd-160 a7450992190d3072b006a533999ff5a292d2f613

12912991 as geometric shapes

Circle

Radius = n
Diameter 25825982
Circumference 81134715.322942
Area 5.2384592437636E+14

Sphere

Radius = n
Volume 9.0192236091448E+21
Surface area 2.0953836975054E+15
Circumference 81134715.322942

Square

Length = n
Perimeter 51651964
Area 166745336566081
Diagonal 18261727.003002

Cube

Length = n
Surface area 1000472019396486
Volume 2.1531810303698E+21
Space diagonal 22365956.48968

Equilateral Triangle

Length = n
Perimeter 38738973
Area 72202848714406
Altitude 11182978.24484

Triangular Pyramid

Length = n
Surface area 72202848714406
Volume 2.5375481794945E+20
Height 6087242.3343339