12991641 (number)

12991641 is an odd 8-digits composite number following 12991640 and preceding 12991642. In scientific notation, it is written as 1.2991641 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 7945920 positive integers (up to 12991641) that are relatively prime to 12991641.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2991641 × 10^7
Engineering notation 1.2991641 × 10^6

Prime Factorization of 12991641

Prime Factorization 3 × 13 × 179 × 1861

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12991641
Product of the distinct prime numbers

The prime factorization of 12991641 is 3 × 13 × 179 × 1861. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12991641)

Multiplication

n×y
n×2 25983282
n×3 38974923
n×4 51966564
n×5 64958205

Division

n÷y
n÷2 6495820.5
n÷3 4330547
n÷3 3247910.25
n÷5 2598328.2

Exponentiation

ny
n2 168782735872881
n3 2.1927647114583E+21
n4 2.8487611928735E+28
n5 3.7010082712544E+35

Nth Root

y√n
2√n 3604.39190433
3√n 235.08306102633
4√n 60.036588047041
5√n 26.468711616905

Divisors of 12991641

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 -12991640
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 12991641 can be divided by 16 positive divisors. The sum of these divisors (counting 12991641) is 1, the average is 0.0625.

Base conversion 12991641

Base System Value
2 Binary 110001100011110010011001
3 Ternary 220110001011220
4 Quaternary 301203302121
5 Quinary 11311213031
6 Senary 1142242253
8 Octal 61436231
10 Decimal 12991641
12 Duodecimal 4426389
16 Hexadecimal c63c99
20 Vigesimal 413j21
36 Base36 7qgex

Cryptographic Hash Functions

md5 4ab58c3d1e795966c2158d2077881d51
sha1 fae226bb43a6e908605b4b9aa0eccb5bfd37d1a2
sha256 658a6c4fa4baecbbe2a3143e8b6691dae2a48236f519888f70cd40f1e3535c67
sha512 9c72a4fd10282b81062b01459397443a307f0876dd4ffc3716fcc91fa7d95c9b903894dc0795a24487d5a6052f00946cbf1c05ad14cc914298114b1587a292d7
ripemd-160 afa7aaabdefaad4816dd059bc06e22c077ce26a0

12991641 as geometric shapes

Circle

Radius = n
Diameter 25983282
Circumference 81628887.847352
Area 5.3024660307103E+14

Sphere

Radius = n
Volume 9.1850313447577E+21
Surface area 2.1209864122841E+15
Circumference 81628887.847352

Square

Length = n
Perimeter 51966564
Area 168782735872881
Diagonal 18372954.899682

Cube

Length = n
Surface area 1012696415237286
Volume 2.1927647114583E+21
Space diagonal 22502182.285695

Equilateral Triangle

Length = n
Perimeter 38974923
Area 73085068493077
Altitude 11251091.142847

Triangular Pyramid

Length = n
Surface area 73085068493077
Volume 2.5841979950312E+20
Height 6124318.2998941