20187221 (number)

20187221 is an odd 8-digits composite number following 20187220 and preceding 20187222. In scientific notation, it is written as 2.0187221 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20082432 positive integers (up to 20187221) that are relatively prime to 20187221.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand two hundred twenty-one

Notation

Scientific notation 2.0187221 × 10^7
Engineering notation 2.0187221 × 10^6

Prime Factorization of 20187221

Prime Factorization 193 × 104597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20187221
Product of the distinct prime numbers

The prime factorization of 20187221 is 193 × 104597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187221)

Multiplication

n×y
n×2 40374442
n×3 60561663
n×4 80748884
n×5 100936105

Division

n÷y
n÷2 10093610.5
n÷3 6729073.6666667
n÷3 5046805.25
n÷5 4037444.2

Exponentiation

ny
n2 407523891702841
n3 8.2267748645853E+21
n4 1.6607572230863E+29
n5 3.3526073089789E+36

Nth Root

y√n
2√n 4493.0191408451
3√n 272.28612570445
4√n 67.029986877852
5√n 28.907817714327

Divisors of 20187221

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 -20187220
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 20187221 can be divided by 4 positive divisors. The sum of these divisors (counting 20187221) is 1, the average is 0.25.

Base conversion 20187221

Base System Value
2 Binary 1001101000000100001010101
3 Ternary 1101222121122212
4 Quaternary 1031000201111
5 Quinary 20131442341
6 Senary 2000403205
8 Octal 115004125
10 Decimal 20187221
12 Duodecimal 6916505
16 Hexadecimal 1340855
20 Vigesimal 663811
36 Base36 c0ok5

Cryptographic Hash Functions

md5 884d321e1b638b38b7841d8920b8fb9a
sha1 655dbefcfcbb1e8680c4de97d111ba9a6c0aa413
sha256 30e8828ba5aeade46f1f06e94a112db86ae6e7e310547ecce55fb87e27a221ea
sha512 f57caad6ec6ebecb4909cab9b73bc77da6e562b89d5ba1065f3d43445b83110a63dcc648f35752eacb5873434a8b60e52b4fdcd18325210a871faf938e1a4c5a
ripemd-160 373b031450b1aa743d53fe49d40aae098e06fda9

20187221 as geometric shapes

Circle

Radius = n
Diameter 40374442
Circumference 126840050.37999
Area 1.280274064336E+15

Sphere

Radius = n
Volume 3.4460233969758E+22
Surface area 5.1210962573439E+15
Circumference 126840050.37999

Square

Length = n
Perimeter 80748884
Area 407523891702841
Diagonal 28549041.724823

Cube

Length = n
Surface area 2445143350217046
Volume 8.2267748645853E+21
Space diagonal 34965292.435621

Equilateral Triangle

Length = n
Perimeter 60561663
Area 1.7646302143188E+14
Altitude 17482646.217811

Triangular Pyramid

Length = n
Surface area 1.7646302143188E+14
Volume 9.6953471567389E+20
Height 9516347.2416077