20145221 (number)

20145221 is an odd 8-digits composite number following 20145220 and preceding 20145222. In scientific notation, it is written as 2.0145221 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 18960192 positive integers (up to 20145221) that are relatively prime to 20145221.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145221 × 10^7
Engineering notation 2.0145221 × 10^6

Prime Factorization of 20145221

Prime Factorization 17 × 1185013

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145221
Product of the distinct prime numbers

The prime factorization of 20145221 is 17 × 1185013. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145221)

Multiplication

n×y
n×2 40290442
n×3 60435663
n×4 80580884
n×5 100726105

Division

n÷y
n÷2 10072610.5
n÷3 6715073.6666667
n÷3 5036305.25
n÷5 4029044.2

Exponentiation

ny
n2 405829929138841
n3 8.1755336109163E+21
n4 1.6469793138484E+29
n5 3.3178762259904E+36

Nth Root

y√n
2√n 4488.3427899393
3√n 272.09716197951
4√n 66.995095267783
5√n 28.895779009084

Divisors of 20145221

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 -20145220
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 20145221 can be divided by 4 positive divisors. The sum of these divisors (counting 20145221) is 1, the average is 0.25.

Base conversion 20145221

Base System Value
2 Binary 1001100110110010001000101
3 Ternary 1101220111001022
4 Quaternary 1030312101011
5 Quinary 20124121341
6 Senary 1555440525
8 Octal 114662105
10 Decimal 20145221
12 Duodecimal 68b6145
16 Hexadecimal 1336445
20 Vigesimal 65i311
36 Base36 bzs5h

Cryptographic Hash Functions

md5 d94207e96c79e8d8422e48fb2055858a
sha1 8a0f2d04aaf34b14bb35edac6e529efe53dff32b
sha256 52a8ebbebf15ab23f5c7dba0860181ebaf1582fb0e9e26c05ec00929248a3674
sha512 58785f262224b19a2f2403dabd64f8a70235f568d18468ec98b9f4aff1e554d661d8e75183e016eaecd1518d8753fec7544bf33f8555e36b6befd2a8d7442708
ripemd-160 1af4a68dd8d9deae8a62be75534d9465a8a9f34a

20145221 as geometric shapes

Circle

Radius = n
Diameter 40290442
Circumference 126576156.59709
Area 1.2749523239894E+15

Sphere

Radius = n
Volume 3.4245595108308E+22
Surface area 5.0998092959578E+15
Circumference 126576156.59709

Square

Length = n
Perimeter 80580884
Area 405829929138841
Diagonal 28489644.755203

Cube

Length = n
Surface area 2434979574833046
Volume 8.1755336109163E+21
Space diagonal 34892546.301704

Equilateral Triangle

Length = n
Perimeter 60435663
Area 1.7572951412514E+14
Altitude 17446273.150852

Triangular Pyramid

Length = n
Surface area 1.7572951412514E+14
Volume 9.6349587601624E+20
Height 9496548.2517344