12791891 (number)

12791891 is an odd 8-digits composite number following 12791890 and preceding 12791892. In scientific notation, it is written as 1.2791891 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 10964436 positive integers (up to 12791891) that are relatively prime to 12791891.

Interesting facts

Basic properties

Name

Name twelve million seven hundred ninety-one thousand eight hundred ninety-one

Notation

Scientific notation 1.2791891 × 10^7
Engineering notation 1.2791891 × 10^6

Prime Factorization of 12791891

Prime Factorization 7 × 7 × 261059

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1827413
Product of the distinct prime numbers

The prime factorization of 12791891 is 7 × 7 × 261059. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12791891)

Multiplication

n×y
n×2 25583782
n×3 38375673
n×4 51167564
n×5 63959455

Division

n÷y
n÷2 6395945.5
n÷3 4263963.6666667
n÷3 3197972.75
n÷5 2558378.2

Exponentiation

ny
n2 163632475355881
n3 2.0931687888126E+21
n4 2.6775586991093E+28
n5 3.4251039025108E+35

Nth Root

y√n
2√n 3576.5753172553
3√n 233.8720109973
4√n 59.804475729291
5√n 26.386813652302

Divisors of 12791891

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 -12791890
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 12791891 can be divided by 6 positive divisors. The sum of these divisors (counting 12791891) is 1, the average is 0.16666666666667.

Base conversion 12791891

Base System Value
2 Binary 110000110011000001010011
3 Ternary 220001220011202
4 Quaternary 300303001103
5 Quinary 11233320031
6 Senary 1134101415
8 Octal 60630123
10 Decimal 12791891
12 Duodecimal 434a86b
16 Hexadecimal c33053
20 Vigesimal 3jijeb
36 Base36 7m6ab

Cryptographic Hash Functions

md5 bcab8ed54a88fcea11343b3cdb3c718c
sha1 6b7f9c944c029a7d3d3d9f42ac4adc9a0bfee40f
sha256 1e37d9760847b1a7d9859c52d4a3fcb74989d58f0113afbd2d11462a2de12e1e
sha512 d1d8ec3af0c63a0f61508bf2d6bcb7e7e4bfa6514c760ce5ebc85915d3126e8b76e7a3d27b91e2a68818cb6f5ca0d97ba607cc60d0769afde1447539a857c10e
ripemd-160 fc033240386262c6c84b05f971a5a9dfd4ceb545

12791891 as geometric shapes

Circle

Radius = n
Diameter 25583782
Circumference 80373821.582243
Area 5.1406658246675E+14

Sphere

Radius = n
Volume 8.7678449195429E+21
Surface area 2.056266329867E+15
Circumference 80373821.582243

Square

Length = n
Perimeter 51167564
Area 163632475355881
Diagonal 18090465.740598

Cube

Length = n
Surface area 981794852135286
Volume 2.0931687888126E+21
Space diagonal 22156205.136883

Equilateral Triangle

Length = n
Perimeter 38375673
Area 70854940271162
Altitude 11078102.568442

Triangular Pyramid

Length = n
Surface area 70854940271162
Volume 2.4668230745624E+20
Height 6030155.2468661