12991749 (number)

12991749 is an odd 8-digits composite number following 12991748 and preceding 12991750. In scientific notation, it is written as 1.2991749 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 8661164 positive integers (up to 12991749) that are relatively prime to 12991749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2991749 × 10^7
Engineering notation 1.2991749 × 10^6

Prime Factorization of 12991749

Prime Factorization 3 × 4330583

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12991749
Product of the distinct prime numbers

The prime factorization of 12991749 is 3 × 4330583. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12991749)

Multiplication

n×y
n×2 25983498
n×3 38975247
n×4 51966996
n×5 64958745

Division

n÷y
n÷2 6495874.5
n÷3 4330583
n÷3 3247937.25
n÷5 2598349.8

Exponentiation

ny
n2 168785542079001
n3 2.1928193975193E+21
n4 2.8488559214902E+28
n5 3.7011621069165E+35

Nth Root

y√n
2√n 3604.4068860216
3√n 235.08371244263
4√n 60.036712818255
5√n 26.468755623837

Divisors of 12991749

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12991748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12991749 can be divided by 4 positive divisors. The sum of these divisors (counting 12991749) is 1, the average is 0.25.

Base conversion 12991749

Base System Value
2 Binary 110001100011110100000101
3 Ternary 220110001022220
4 Quaternary 301203310011
5 Quinary 11311213444
6 Senary 1142242553
8 Octal 61436405
10 Decimal 12991749
12 Duodecimal 4426459
16 Hexadecimal c63d05
20 Vigesimal 413j79
36 Base36 7qghx

Cryptographic Hash Functions

md5 2148dab0da8b0219c5ac3a10506c2a16
sha1 b4ad3f5df79f3b302b2c5f60fb5822d79dba28ca
sha256 e0b089ca93ab53e066e3537a7ed83d4cba5cec8e1b237d2575d8e1590381f108
sha512 7dd050af60b33deea62c0fcc7728fd1b96d092e0fd45f2909cfb9b4e88b5cd3c18f891d0ee8276485571119bd5a79c2af02a19272fc5d0655c28b543a6209cf2
ripemd-160 e2162d15263475c801f17109f9cd78e3a839f567

12991749 as geometric shapes

Circle

Radius = n
Diameter 25983498
Circumference 81629566.431365
Area 5.3025541902756E+14

Sphere

Radius = n
Volume 9.1852604131945E+21
Surface area 2.1210216761102E+15
Circumference 81629566.431365

Square

Length = n
Perimeter 51966996
Area 168785542079001
Diagonal 18373107.634747

Cube

Length = n
Surface area 1012713252474006
Volume 2.1928193975193E+21
Space diagonal 22502369.347182

Equilateral Triangle

Length = n
Perimeter 38975247
Area 73086283615971
Altitude 11251184.673591

Triangular Pyramid

Length = n
Surface area 73086283615971
Volume 2.5842624431722E+20
Height 6124369.2115824