20221681 (number)

20221681 is an odd 8-digits composite number following 20221680 and preceding 20221682. In scientific notation, it is written as 2.0221681 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 18969552 positive integers (up to 20221681) that are relatively prime to 20221681.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0221681 × 10^7
Engineering notation 2.0221681 × 10^6

Prime Factorization of 20221681

Prime Factorization 19 × 103 × 10333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20221681
Product of the distinct prime numbers

The prime factorization of 20221681 is 19 × 103 × 10333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20221681)

Multiplication

n×y
n×2 40443362
n×3 60665043
n×4 80886724
n×5 101108405

Division

n÷y
n÷2 10110840.5
n÷3 6740560.3333333
n÷3 5055420.25
n÷5 4044336.2

Exponentiation

ny
n2 408916382465761
n3 8.2689766418966E+21
n4 1.6721260784888E+29
n5 3.3813200150982E+36

Nth Root

y√n
2√n 4496.8523435843
3√n 272.44097029598
4√n 67.058573975177
5√n 28.917680229883

Divisors of 20221681

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 -20221680
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 20221681 can be divided by 8 positive divisors. The sum of these divisors (counting 20221681) is 1, the average is 0.125.

Base conversion 20221681

Base System Value
2 Binary 1001101001000111011110001
3 Ternary 1102001100221011
4 Quaternary 1031020323301
5 Quinary 20134043211
6 Senary 2001230521
8 Octal 115107361
10 Decimal 20221681
12 Duodecimal 6932441
16 Hexadecimal 1348ef1
20 Vigesimal 667e41
36 Base36 c1f5d

Cryptographic Hash Functions

md5 a2482031f3a96fe649411cba5b546d49
sha1 3966a1ac848bc11f144f748f1ddfc1f3610fe9f8
sha256 19fda0591b74386843775840d8098b48792260ea6e34fb3a415425959161d270
sha512 bba01468ccf287880a3c50824d1e7430f981284219681b50d6989e521890b05ef05bd0a8fa96e0160fb4a6ff24b34b55eff52242f06258205802b91556da6227
ripemd-160 915e3c1925f8b037e329883763cfc01cbb1701a7

20221681 as geometric shapes

Circle

Radius = n
Diameter 40443362
Circumference 127056568.94567
Area 1.2846487030869E+15

Sphere

Radius = n
Volume 3.4637008361184E+22
Surface area 5.1385948123478E+15
Circumference 127056568.94567

Square

Length = n
Perimeter 80886724
Area 408916382465761
Diagonal 28597775.524182

Cube

Length = n
Surface area 2453498294794566
Volume 8.2689766418966E+21
Space diagonal 35024978.90645

Equilateral Triangle

Length = n
Perimeter 60665043
Area 1.7706598761949E+14
Altitude 17512489.453225

Triangular Pyramid

Length = n
Surface area 1.7706598761949E+14
Volume 9.7450824282638E+20
Height 9532591.8413941