20390947 (number)

20390947 is an odd 8-digits prime number following 20390946 and preceding 20390948. In scientific notation, it is written as 2.0390947 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 20390946 positive integers (up to 20390947) that are relatively prime to 20390947.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety thousand nine hundred forty-seven

Notation

Scientific notation 2.0390947 × 10^7
Engineering notation 2.0390947 × 10^6

Prime Factorization of 20390947

Prime Factorization 20390947

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20390947
Product of the distinct prime numbers

The prime factorization of 20390947 is 20390947. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20390947)

Multiplication

n×y
n×2 40781894
n×3 61172841
n×4 81563788
n×5 101954735

Division

n÷y
n÷2 10195473.5
n÷3 6796982.3333333
n÷3 5097736.75
n÷5 4078189.4

Exponentiation

ny
n2 415790719556809
n3 8.4783665255748E+21
n4 1.7288192246957E+29
n5 3.5252261183351E+36

Nth Root

y√n
2√n 4515.633621099
3√n 273.19901672926
4√n 67.198464425157
5√n 28.965930156768

Divisors of 20390947

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20390948
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10195474
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4515.6337318255
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999019173
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20390947 can be divided by 2 positive divisors. The sum of these divisors (counting 20390947) is 20390948, the average is 10195474.

Base conversion 20390947

Base System Value
2 Binary 1001101110010010000100011
3 Ternary 1102100222010021
4 Quaternary 1031302100203
5 Quinary 20210002242
6 Senary 2005014311
8 Octal 115622043
10 Decimal 20390947
12 Duodecimal 69b4397
16 Hexadecimal 1372423
20 Vigesimal 678h77
36 Base36 c51r7

Cryptographic Hash Functions

md5 f006b7c210fbf1c5c8f18a0c79dbd336
sha1 8265d646fb2884892bb3e729360238a7fe446631
sha256 beb40e168fb03541687ab4faa198f06149b262c8dc0e3e3f0ca4162546346810
sha512 8b991edcabdbf3ad9b13651d1700336ada5487d42b65948e2c601493f2bf99ebee6f0539dd0c323e10b099cda1b3eefba7176d1a15d05eb9c4138342ed120f3e
ripemd-160 77c283e1b23da6893751cc2c05b61af8e027193b

20390947 as geometric shapes

Circle

Radius = n
Diameter 40781894
Circumference 128120098.58988
Area 1.3062450699905E+15

Sphere

Radius = n
Volume 3.5514098654916E+22
Surface area 5.2249802799619E+15
Circumference 128120098.58988

Square

Length = n
Perimeter 81563788
Area 415790719556809
Diagonal 28837153.797031

Cube

Length = n
Surface area 2494744317340854
Volume 8.4783665255748E+21
Space diagonal 35318156.218444

Equilateral Triangle

Length = n
Perimeter 61172841
Area 1.80042662897E+14
Altitude 17659078.109222

Triangular Pyramid

Length = n
Surface area 1.80042662897E+14
Volume 9.9918507726982E+20
Height 9612384.5990103