20197945 (number)

20197945 is an odd 8-digits composite number following 20197944 and preceding 20197946. In scientific notation, it is written as 2.0197945 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 16158352 positive integers (up to 20197945) that are relatively prime to 20197945.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-seven thousand nine hundred forty-five

Notation

Scientific notation 2.0197945 × 10^7
Engineering notation 2.0197945 × 10^6

Prime Factorization of 20197945

Prime Factorization 5 × 4039589

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20197945
Product of the distinct prime numbers

The prime factorization of 20197945 is 5 × 4039589. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20197945)

Multiplication

n×y
n×2 40395890
n×3 60593835
n×4 80791780
n×5 100989725

Division

n÷y
n÷2 10098972.5
n÷3 6732648.3333333
n÷3 5049486.25
n÷5 4039589

Exponentiation

ny
n2 407956982223025
n3 8.2398926893066E+21
n4 1.6642889934452E+29
n5 3.3615217553711E+36

Nth Root

y√n
2√n 4494.2123892847
3√n 272.33433243061
4√n 67.03888714235
5√n 28.910888385465

Divisors of 20197945

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 -20197944
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 20197945 can be divided by 4 positive divisors. The sum of these divisors (counting 20197945) is 1, the average is 0.25.

Base conversion 20197945

Base System Value
2 Binary 1001101000011001000111001
3 Ternary 1102000011101001
4 Quaternary 1031003020321
5 Quinary 20132313240
6 Senary 2000525001
8 Octal 115031071
10 Decimal 20197945
12 Duodecimal 6920761
16 Hexadecimal 1343239
20 Vigesimal 664eh5
36 Base36 c0wu1

Cryptographic Hash Functions

md5 073b81d784e89733d56e7922ca617407
sha1 5afbb10b6e927e4510b6091d4f502b704896cfaa
sha256 121a6448069637d80981e1bdfdc6c65e7b60c2b63155f00f4489914ec4152120
sha512 06b57e9a3e7998a84156f2a6dd9cc981e06376b113afd3aeef0165f4bb235df3d7e9524d0efcc251166c0a840b24795f6e48c4d7cc8ae8f9254d979db2e60b11
ripemd-160 4350435bd18e8b23b8a1a7bd127d072a20e8ee60

20197945 as geometric shapes

Circle

Radius = n
Diameter 40395890
Circumference 126907431.25922
Area 1.2816346583325E+15

Sphere

Radius = n
Volume 3.4515181785459E+22
Surface area 5.1265386333301E+15
Circumference 126907431.25922

Square

Length = n
Perimeter 80791780
Area 407956982223025
Diagonal 28564207.751066

Cube

Length = n
Surface area 2447741893338150
Volume 8.2398926893066E+21
Space diagonal 34983866.948482

Equilateral Triangle

Length = n
Perimeter 60593835
Area 1.7665055512819E+14
Altitude 17491933.474241

Triangular Pyramid

Length = n
Surface area 1.7665055512819E+14
Volume 9.7108066614303E+20
Height 9521402.5836886