20021145 (number)

20021145 is an odd 8-digits composite number following 20021144 and preceding 20021146. In scientific notation, it is written as 2.0021145 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 10677936 positive integers (up to 20021145) that are relatively prime to 20021145.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand one hundred forty-five

Notation

Scientific notation 2.0021145 × 10^7
Engineering notation 2.0021145 × 10^6

Prime Factorization of 20021145

Prime Factorization 3 × 5 × 1334743

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20021145
Product of the distinct prime numbers

The prime factorization of 20021145 is 3 × 5 × 1334743. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021145)

Multiplication

n×y
n×2 40042290
n×3 60063435
n×4 80084580
n×5 100105725

Division

n÷y
n÷2 10010572.5
n÷3 6673715
n÷3 5005286.25
n÷5 4004229

Exponentiation

ny
n2 400846247111025
n3 8.0254008361157E+21
n4 1.6067771382299E+29
n5 3.2169518067186E+36

Nth Root

y√n
2√n 4474.4994133422
3√n 271.53738856773
4√n 66.891699136307
5√n 28.860096717494

Divisors of 20021145

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 -20021144
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 20021145 can be divided by 8 positive divisors. The sum of these divisors (counting 20021145) is 1, the average is 0.125.

Base conversion 20021145

Base System Value
2 Binary 1001100010111111110011001
3 Ternary 1101200011211220
4 Quaternary 1030113332121
5 Quinary 20111134040
6 Senary 1553042253
8 Octal 114277631
10 Decimal 20021145
12 Duodecimal 6856389
16 Hexadecimal 1317f99
20 Vigesimal 652ch5
36 Base36 bx4ex

Cryptographic Hash Functions

md5 947bd7167bb815478887f7a45286a111
sha1 ecee991877fa543d0b3844740b89b1487aa58f1a
sha256 2c410c8acb0dcf30e325b097053a0197105a937c84d8753ff07925f0e9c2b3e8
sha512 cf8c3abbc5b80829b76828b31b7921e069b2dfbbbd7510b438a90739fc6650dfec6e7fb91763b96a046248ff1522c3feed463a07403bf8994b8c660281227016
ripemd-160 0e0c30def2d219df711df4ea09777f3d7091a4e6

20021145 as geometric shapes

Circle

Radius = n
Diameter 40042290
Circumference 125796564.09691
Area 1.259295625143E+15

Sphere

Radius = n
Volume 3.3616720411806E+22
Surface area 5.0371825005721E+15
Circumference 125796564.09691

Square

Length = n
Perimeter 80084580
Area 400846247111025
Diagonal 28314174.793238

Cube

Length = n
Surface area 2405077482666150
Volume 8.0254008361157E+21
Space diagonal 34677640.365704

Equilateral Triangle

Length = n
Perimeter 60063435
Area 1.735715165049E+14
Altitude 17338820.182852

Triangular Pyramid

Length = n
Surface area 1.735715165049E+14
Volume 9.4580255882626E+20
Height 9438058.2644128