21082221 (number)

21082221 is an odd 8-digits composite number following 21082220 and preceding 21082222. In scientific notation, it is written as 2.1082221 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 14054796 positive integers (up to 21082221) that are relatively prime to 21082221.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1082221 × 10^7
Engineering notation 2.1082221 × 10^6

Prime Factorization of 21082221

Prime Factorization 3 × 9 × 780823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21082221
Product of the distinct prime numbers

The prime factorization of 21082221 is 3 × 9 × 780823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082221)

Multiplication

n×y
n×2 42164442
n×3 63246663
n×4 84328884
n×5 105411105

Division

n÷y
n÷2 10541110.5
n÷3 7027407
n÷3 5270555.25
n÷5 4216444.2

Exponentiation

ny
n2 444460042292841
n3 9.370204837287E+21
n4 1.9754472919495E+29
n5 4.1646816382732E+36

Nth Root

y√n
2√n 4591.537977628
3√n 276.25201461782
4√n 67.760888258847
5√n 29.159714821939

Divisors of 21082221

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 -21082220
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 21082221 can be divided by 8 positive divisors. The sum of these divisors (counting 21082221) is 1, the average is 0.125.

Base conversion 21082221

Base System Value
2 Binary 1010000011011000001101101
3 Ternary 1110200002101000
4 Quaternary 1100123001231
5 Quinary 20344112341
6 Senary 2031510513
8 Octal 120330155
10 Decimal 21082221
12 Duodecimal 7088439
16 Hexadecimal 141b06d
20 Vigesimal 6bf5b1
36 Base36 cjv59

Cryptographic Hash Functions

md5 6248d93f8c0517178897cd54c3141a51
sha1 5baf1b19fe93d24c5f618bcf97df9219b25e0fae
sha256 330f892961dbaaf489e7727e16dfb844ffb27a8e4db0a3cacee989f1c112e03d
sha512 2fec832c48b0c7a0705c3812a0f07c75d50d1cb5006d3b9c4176047fce9932358a9763e6bffc7a56ce9e81a347ecc001e3ee8fd4d03ef84e9305422c5bee5886
ripemd-160 d7a5529ac3d1bdb0d358535273bbe4c9aaa33f05

21082221 as geometric shapes

Circle

Radius = n
Diameter 42164442
Circumference 132463501.22991
Area 1.3963124036814E+15

Sphere

Radius = n
Volume 3.924982223927E+22
Surface area 5.5852496147256E+15
Circumference 132463501.22991

Square

Length = n
Perimeter 84328884
Area 444460042292841
Diagonal 29814762.863147

Cube

Length = n
Surface area 2666760253757046
Volume 9.370204837287E+21
Space diagonal 36515477.908396

Equilateral Triangle

Length = n
Perimeter 63246663
Area 1.9245684379635E+14
Altitude 18257738.954198

Triangular Pyramid

Length = n
Surface area 1.9245684379635E+14
Volume 1.1042892302588E+21
Height 9938254.2877156