20197581 (number)

20197581 is an odd 8-digits composite number following 20197580 and preceding 20197582. In scientific notation, it is written as 2.0197581 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 12672960 positive integers (up to 20197581) that are relatively prime to 20197581.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-seven thousand five hundred eighty-one

Notation

Scientific notation 2.0197581 × 10^7
Engineering notation 2.0197581 × 10^6

Prime Factorization of 20197581

Prime Factorization 3 × 17 × 396031

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20197581
Product of the distinct prime numbers

The prime factorization of 20197581 is 3 × 17 × 396031. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20197581)

Multiplication

n×y
n×2 40395162
n×3 60592743
n×4 80790324
n×5 100987905

Division

n÷y
n÷2 10098790.5
n÷3 6732527
n÷3 5049395.25
n÷5 4039516.2

Exponentiation

ny
n2 407942278251561
n3 8.2394472083104E+21
n4 1.6641690238507E+29
n5 3.3612188656916E+36

Nth Root

y√n
2√n 4494.1718925738
3√n 272.33269645077
4√n 67.038585102713
5√n 28.910784180416

Divisors of 20197581

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20197580
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20197581 can be divided by 8 positive divisors. The sum of these divisors (counting 20197581) is 1, the average is 0.125.

Base conversion 20197581

Base System Value
2 Binary 1001101000011000011001101
3 Ternary 1102000010212120
4 Quaternary 1031003003031
5 Quinary 20132310311
6 Senary 2000523153
8 Octal 115030315
10 Decimal 20197581
12 Duodecimal 69204b9
16 Hexadecimal 13430cd
20 Vigesimal 664dj1
36 Base36 c0wjx

Cryptographic Hash Functions

md5 fa852d48d7e3ad9fd4c09de56cba5064
sha1 c84eb18cc871f0c53f430ca4bef89f8bc8a0cba7
sha256 b37d55d826a6b4ba7912ebfdd5872a7692dba9434b672c20093d876dc0cacc46
sha512 92f739d922af318e7c98fd3396f7429bf3bf40a42cf304cde980d8daf0d35d854aa783ddb07028c5abdbb3197092bc01940f84c326780a1c3883560ddf24e352
ripemd-160 e2e867e7bfa826d5f369a8e05a519df356e0aeff

20197581 as geometric shapes

Circle

Radius = n
Diameter 40395162
Circumference 126905144.17977
Area 1.2815884644438E+15

Sphere

Radius = n
Volume 3.4513315759025E+22
Surface area 5.1263538577751E+15
Circumference 126905144.17977

Square

Length = n
Perimeter 80790324
Area 407942278251561
Diagonal 28563692.977329

Cube

Length = n
Surface area 2447653669509366
Volume 8.2394472083104E+21
Space diagonal 34983236.481988

Equilateral Triangle

Length = n
Perimeter 60592743
Area 1.7664418812178E+14
Altitude 17491618.240994

Triangular Pyramid

Length = n
Surface area 1.7664418812178E+14
Volume 9.7102816570415E+20
Height 9521230.992443