20051391 (number)

20051391 is an odd 8-digits composite number following 20051390 and preceding 20051392. In scientific notation, it is written as 2.0051391 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13367592 positive integers (up to 20051391) that are relatively prime to 20051391.

Interesting facts

Basic properties

Name

Name twenty million fifty-one thousand three hundred ninety-one

Notation

Scientific notation 2.0051391 × 10^7
Engineering notation 2.0051391 × 10^6

Prime Factorization of 20051391

Prime Factorization 3 × 6683797

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20051391
Product of the distinct prime numbers

The prime factorization of 20051391 is 3 × 6683797. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20051391)

Multiplication

n×y
n×2 40102782
n×3 60154173
n×4 80205564
n×5 100256955

Division

n÷y
n÷2 10025695.5
n÷3 6683797
n÷3 5012847.75
n÷5 4010278.2

Exponentiation

ny
n2 402058281034881
n3 8.0618277978183E+21
n4 1.6165086134872E+29
n5 3.24132462639E+36

Nth Root

y√n
2√n 4477.8779572472
3√n 271.67405720084
4√n 66.916948206319
5√n 28.868811258889

Divisors of 20051391

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 -20051390
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 20051391 can be divided by 4 positive divisors. The sum of these divisors (counting 20051391) is 1, the average is 0.25.

Base conversion 20051391

Base System Value
2 Binary 1001100011111010110111111
3 Ternary 1101201201100010
4 Quaternary 1030133112333
5 Quinary 20113121031
6 Senary 1553434303
8 Octal 114372677
10 Decimal 20051391
12 Duodecimal 686b993
16 Hexadecimal 131f5bf
20 Vigesimal 65689b
36 Base36 bxrr3

Cryptographic Hash Functions

md5 4092c3761e9a81963d9311b3b174d820
sha1 5928a11a1a50134637dcf5f71d8b562e647542e9
sha256 e49d6ba73b668c4665944ad3bc0fe8b5ed8b4618c30b2e8489f4f644ed04dd99
sha512 f89271fea5976f3fade7a6fa880bc3a41deda3ac4338a5a4a22710e2d226d74842284947f06590c44ee2bfaf575950f8fa6cad37856cb5b14aba7d15e6443851
ripemd-160 9aea408f21c7c309cbad6fac24c54145bca87d57

20051391 as geometric shapes

Circle

Radius = n
Diameter 40102782
Circumference 125986605.31971
Area 1.2631033420141E+15

Sphere

Radius = n
Volume 3.3769305312176E+22
Surface area 5.0524133680565E+15
Circumference 125986605.31971

Square

Length = n
Perimeter 80205564
Area 402058281034881
Diagonal 28356949.096646

Cube

Length = n
Surface area 2412349686209286
Volume 8.0618277978183E+21
Space diagonal 34730027.974429

Equilateral Triangle

Length = n
Perimeter 60154173
Area 1.7409634258906E+14
Altitude 17365013.987215

Triangular Pyramid

Length = n
Surface area 1.7409634258906E+14
Volume 9.5009551743259E+20
Height 9452316.3655486