20973945 (number)

20973945 is an odd 8-digits composite number following 20973944 and preceding 20973946. In scientific notation, it is written as 2.0973945 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 11186096 positive integers (up to 20973945) that are relatively prime to 20973945.

Interesting facts

Basic properties

Name

Name twenty million nine hundred seventy-three thousand nine hundred forty-five

Notation

Scientific notation 2.0973945 × 10^7
Engineering notation 2.0973945 × 10^6

Prime Factorization of 20973945

Prime Factorization 15 × 1398263

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20973945
Product of the distinct prime numbers

The prime factorization of 20973945 is 15 × 1398263. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20973945)

Multiplication

n×y
n×2 41947890
n×3 62921835
n×4 83895780
n×5 104869725

Division

n÷y
n÷2 10486972.5
n÷3 6991315
n÷3 5243486.25
n÷5 4194789

Exponentiation

ny
n2 439906368863025
n3 9.2265719856828E+21
n4 1.9351761336625E+29
n5 4.058827779275E+36

Nth Root

y√n
2√n 4579.7319790573
3√n 275.77826919526
4√n 67.673717047738
5√n 29.129700872686

Divisors of 20973945

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 -20973944
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 20973945 can be divided by 4 positive divisors. The sum of these divisors (counting 20973945) is 1, the average is 0.25.

Base conversion 20973945

Base System Value
2 Binary 1010000000000100101111001
3 Ternary 1110110120211210
4 Quaternary 1100000211321
5 Quinary 20332131240
6 Senary 2025313333
8 Octal 120004571
10 Decimal 20973945
12 Duodecimal 7035849
16 Hexadecimal 1400979
20 Vigesimal 6b1eh5
36 Base36 chjll

Cryptographic Hash Functions

md5 7c3b7866175bdbf004247f9e0d70a343
sha1 a3421fc3153bffb132cc58a0f4fc05974829a757
sha256 4cb46515518057697e3f8a57d57ff45bc16b3ff568e540a47177d700b3707fe6
sha512 ba313146f127f835f87293401f2a8e4452b57dec23f82729bd207d6849cb524a078c16a3164a8462f42ba094bb2b91d3a3e5e6d3d092790f37a59fc9f331c92b
ripemd-160 5b129d0ff308d19ab4f689f497615634427dd6e0

20973945 as geometric shapes

Circle

Radius = n
Diameter 41947890
Circumference 131783183.05759
Area 1.3820066166874E+15

Sphere

Radius = n
Volume 3.8648174357385E+22
Surface area 5.5280264667498E+15
Circumference 131783183.05759

Square

Length = n
Perimeter 83895780
Area 439906368863025
Diagonal 29661637.475467

Cube

Length = n
Surface area 2639438213178150
Volume 9.2265719856828E+21
Space diagonal 36327938.375155

Equilateral Triangle

Length = n
Perimeter 62921835
Area 1.9048504536097E+14
Altitude 18163969.187578

Triangular Pyramid

Length = n
Surface area 1.9048504536097E+14
Volume 1.0873619363637E+21
Height 9887212.4918225