20121481 (number)

20121481 is an odd 8-digits composite number following 20121480 and preceding 20121482. In scientific notation, it is written as 2.0121481 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19246612 positive integers (up to 20121481) that are relatively prime to 20121481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121481 × 10^7
Engineering notation 2.0121481 × 10^6

Prime Factorization of 20121481

Prime Factorization 23 × 874847

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20121481
Product of the distinct prime numbers

The prime factorization of 20121481 is 23 × 874847. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121481)

Multiplication

n×y
n×2 40242962
n×3 60364443
n×4 80485924
n×5 100607405

Division

n÷y
n÷2 10060740.5
n÷3 6707160.3333333
n÷3 5030370.25
n÷5 4024296.2

Exponentiation

ny
n2 404873997633361
n3 8.1466644507737E+21
n4 1.6392295395962E+29
n5 3.2983726035623E+36

Nth Root

y√n
2√n 4485.6973816788
3√n 271.99023627726
4√n 66.975349059776
5√n 28.888965389311

Divisors of 20121481

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 -20121480
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 20121481 can be divided by 4 positive divisors. The sum of these divisors (counting 20121481) is 1, the average is 0.25.

Base conversion 20121481

Base System Value
2 Binary 1001100110000011110001001
3 Ternary 1101212021111001
4 Quaternary 1030300132021
5 Quinary 20122341411
6 Senary 1555135001
8 Octal 114603611
10 Decimal 20121481
12 Duodecimal 68a4461
16 Hexadecimal 1330789
20 Vigesimal 65f3e1
36 Base36 bz9u1

Cryptographic Hash Functions

md5 f6cb17392e225841522d54f47894e381
sha1 6b0b024bee97736149961bfb45087de38510157a
sha256 b1b3ff7245039a17d50712ae48cce9c10b8fd142d3f631cf5ef3dfd3d76ca5bb
sha512 187dd19baf8ec1b4b4f1b9028798200eaca69a3cd73fc1a661a42804bc6c9f76f555aafc167016f60d591eeece7444341d1a83c7abfb98901d5619e525bee949
ripemd-160 174b947d044584e5789f8977d313f2e3e8a52c59

20121481 as geometric shapes

Circle

Radius = n
Diameter 40242962
Circumference 126426993.77789
Area 1.2719491765945E+15

Sphere

Radius = n
Volume 3.4124668253082E+22
Surface area 5.087796706378E+15
Circumference 126426993.77789

Square

Length = n
Perimeter 80485924
Area 404873997633361
Diagonal 28456071.325233

Cube

Length = n
Surface area 2429243985800166
Volume 8.1466644507737E+21
Space diagonal 34851427.415532

Equilateral Triangle

Length = n
Perimeter 60364443
Area 1.7531558364113E+14
Altitude 17425713.707766

Triangular Pyramid

Length = n
Surface area 1.7531558364113E+14
Volume 9.6009361286558E+20
Height 9485357.1084109