Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20155221 (number)

20155221 is an odd 8-digits composite number following 20155220 and preceding 20155222. In scientific notation, it is written as 2.0155221 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 13360680 positive integers (up to 20155221) that are relatively prime to 20155221.

Interesting facts

20155221 has 12 divisors, whose sum is 29278080
The reverse of 20155221 is 12255102
Previous prime number is 179

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

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

Notation

Scientific notation	2.0155221 × 10^7
Engineering notation	2.0155221 × 10^6

Prime Factorization of 20155221

Prime Factorization 3 × 3 × 179 × 12511

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	6718407	Product of the distinct prime numbers

The prime factorization of 20155221 is 3 × 3 × 179 × 12511. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 86, 53, 809, 848, 1623, 4970, 33629, 36554, 915711, 327848, 5583816, 2314726, 63248742, 59484037, 74962498, 593820102, 23133319, 8515423085

Basic calculations (n = 20155221)

Multiplication

n×y

n×2	40310442
n×3	60465663
n×4	80620884
n×5	100776105

Division

n÷y

n÷2	10077610.5
n÷3	6718407
n÷3	5038805.25
n÷5	4031044.2

Exponentiation

n^y

n²	406232933558841
n³	8.1877145533568E+21
n⁴	1.6502519630782E+29
n⁵	3.3261193021525E+36

Nth Root

^y√n

²√n	4489.456648638
³√n	272.14217714742
⁴√n	67.003407738995
⁵√n	28.89864718742

Divisors of 20155221

1, 3, 9, 179, 537, 1611, 12511, 37533, 112599, 2239469, 6718407, 20155221

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20155220	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155221 can be divided by 12 positive divisors. The sum of these divisors (counting 20155221) is 1, the average is 0.083333333333333.

Base conversion 20155221

Base	System	Value
2	Binary	1001100111000101101010101
3	Ternary	1101220222202200
4	Quaternary	1030320231111
5	Quinary	20124431341
6	Senary	1555555113
8	Octal	114705525
10	Decimal	20155221
12	Duodecimal	68bba99
16	Hexadecimal	1338b55
20	Vigesimal	65j811
36	Base36	bzzv9

Cryptographic Hash Functions

md5	e559c0bf425ea4527edca7b6b60a11b0
sha1	73bf6ee29e1b85ce2511923503c4fd2e8dee7a9d
sha256	8b5d4fdd3ea5db443f31f8ed25430b0526911e54e396f72b45336c319cc47383
sha512	3e54fc63437af276a454e2b6ca6871ac62dde91303e6316ff6b88b3d1cdeb8b7830cce20618766cacd9a139e8ee03b979eda7b65919f973b23ecfce70626569f
ripemd-160	178db474497916eb5a3eb7fae470b4658a4edebd

20155221 as geometric shapes

Circle

Radius = n

Diameter	40310442
Circumference	126638988.45016
Area	1.2762183997147E+15

Sphere

Radius = n

Volume	3.4296618520688E+22
Surface area	5.1048735988587E+15
Circumference	126638988.45016

Square

Length = n

Perimeter	80620884
Area	406232933558841
Diagonal	28503786.890827

Cube

Length = n

Surface area	2437397601353046
Volume	8.1877145533568E+21
Space diagonal	34909866.809779

Equilateral Triangle

Length = n

Perimeter	60465663
Area	1.7590402015792E+14
Altitude	17454933.40489

Triangular Pyramid

Length = n

Surface area	1.7590402015792E+14
Volume	9.6493141384972E+20
Height	9501262.2969423