20007781 (number)

20007781 is an odd 8-digits prime number following 20007780 and preceding 20007782. In scientific notation, it is written as 2.0007781 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 20007780 positive integers (up to 20007781) that are relatively prime to 20007781.

Interesting facts

Basic properties

Name

Name twenty million seven thousand seven hundred eighty-one

Notation

Scientific notation 2.0007781 × 10^7
Engineering notation 2.0007781 × 10^6

Prime Factorization of 20007781

Prime Factorization 20007781

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20007781
Product of the distinct prime numbers

The prime factorization of 20007781 is 20007781. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20007781)

Multiplication

n×y
n×2 40015562
n×3 60023343
n×4 80031124
n×5 100038905

Division

n÷y
n÷2 10003890.5
n÷3 6669260.3333333
n÷3 5001945.25
n÷5 4001556.2

Exponentiation

ny
n2 400311300543961
n3 8.0093408331088E+21
n4 1.602491373432E+29
n5 3.2062296454016E+36

Nth Root

y√n
2√n 4473.0058126499
3√n 271.47695856789
4√n 66.880533884307
5√n 28.856242898432

Divisors of 20007781

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20007782
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10003891
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4473.0059244316
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999000389
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20007781 can be divided by 2 positive divisors. The sum of these divisors (counting 20007781) is 20007782, the average is 10003891.

Base conversion 20007781

Base System Value
2 Binary 1001100010100101101100101
3 Ternary 1101122111111221
4 Quaternary 1030110231211
5 Quinary 20110222111
6 Senary 1552500341
8 Octal 114245545
10 Decimal 20007781
12 Duodecimal 684a6b1
16 Hexadecimal 1314b65
20 Vigesimal 650j91
36 Base36 bwu3p

Cryptographic Hash Functions

md5 dcb5277bc71605dce0f5961382c0e9df
sha1 067b5a557ff5070c13dba65e45d519515c235557
sha256 c3ed1297a58b136bf56a68fea8fbca7fc4f18c68b32e2eead4a4fb8224680f98
sha512 143526a30df356947f38e6eef19b880c08eb0258c998cb77d4a5f4dbc2419568d97c3c0e348b8e16476c9649fdcc5f3f5d2f6938fb262e91ca2af3451c91a5bc
ripemd-160 e17ec28a252ceba95d399497ee6923a08d2ad34f

20007781 as geometric shapes

Circle

Radius = n
Diameter 40015562
Circumference 125712595.60847
Area 1.2576150409379E+15

Sphere

Radius = n
Volume 3.3549448428522E+22
Surface area 5.0304601637515E+15
Circumference 125712595.60847

Square

Length = n
Perimeter 80031124
Area 400311300543961
Diagonal 28295275.243191

Cube

Length = n
Surface area 2401867803263766
Volume 8.0093408331088E+21
Space diagonal 34654493.238711

Equilateral Triangle

Length = n
Perimeter 60023343
Area 1.7333987784653E+14
Altitude 17327246.619356

Triangular Pyramid

Length = n
Surface area 1.7333987784653E+14
Volume 9.4390986932092E+20
Height 9431758.4143969