20121290 (number)

20121290 is an even 8-digits composite number following 20121289 and preceding 20121291. In scientific notation, it is written as 2.0121290 × 10^7. The sum of its digits is 17. It has a total of 5 prime factors and 32 positive divisors. There are 6862464 positive integers (up to 20121290) that are relatively prime to 20121290.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121290 × 10^7
Engineering notation 2.0121290 × 10^6

Prime Factorization of 20121290

Prime Factorization 2 × 5 × 7 × 223 × 1289

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20121290
Product of the distinct prime numbers

The prime factorization of 20121290 is 2 × 5 × 7 × 223 × 1289. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 71, 100, 76, 20, 78, 9568, 26978, 5336, 772936, 620944, 3293027, 2022953, 17073840, 1166474, 419174000, 176188371, 9047290254, 7684446337

Basic calculations (n = 20121290)

Multiplication

n×y
n×2 40242580
n×3 60363870
n×4 80485160
n×5 100606450

Division

n÷y
n÷2 10060645
n÷3 6707096.6666667
n÷3 5030322.5
n÷5 4024258

Exponentiation

ny
n2 404866311264100
n3 8.1464324601752E+21
n4 1.639167299966E+29
n5 3.2982160601133E+36

Nth Root

y√n
2√n 4485.6760917391
3√n 271.98937566633
4√n 66.975190120963
5√n 28.888910544309

Divisors of 20121290

1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 1115, 1289, 1561, 2230, 2578, 3122, 6445, 7805, 9023, 12890, 15610, 18046, 45115, 90230, 287447, 574894, 1437235, 2012129, 2874470, 4024258, 10060645, 20121290

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121289
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121290 can be divided by 32 positive divisors. The sum of these divisors (counting 20121290) is 1, the average is 0.03125.

Base conversion 20121290

Base System Value
2 Binary 1001100110000011011001010
3 Ternary 1101212021012222
4 Quaternary 1030300123022
5 Quinary 20122340130
6 Senary 1555134042
8 Octal 114603312
10 Decimal 20121290
12 Duodecimal 68a4322
16 Hexadecimal 13306ca
20 Vigesimal 65f34a
36 Base36 bz9oq

Cryptographic Hash Functions

md5 b4580fe43a013f482aa952a25e39a7e6
sha1 ad6ad6330700e2a162a4663fbb13d7506fb936d7
sha256 fcc9d2196521afcc64ead36b0934171ee75fb1510a0f1ded16d5974d9d8c576f
sha512 8f9cb7992586c5a74b74cece7df1ab7098b2010a868614399ed8beec28c7222848c52be0a6c71c0c84b72bdaabfa715434dbdd51102aea105f6219e6300b00de
ripemd-160 c6e8aeac9c16ce7862453b376c4346834488f2c1

20121290 as geometric shapes

Circle

Radius = n
Diameter 40242580
Circumference 126425793.6895
Area 1.2719250291533E+15

Sphere

Radius = n
Volume 3.4123696493136E+22
Surface area 5.0877001166132E+15
Circumference 126425793.6895

Square

Length = n
Perimeter 80485160
Area 404866311264100
Diagonal 28455801.210442

Cube

Length = n
Surface area 2429197867584600
Volume 8.1464324601752E+21
Space diagonal 34851096.593828

Equilateral Triangle

Length = n
Perimeter 60363870
Area 1.753122553456E+14
Altitude 17425548.296914

Triangular Pyramid

Length = n
Surface area 1.753122553456E+14
Volume 9.6006627251135E+20
Height 9485267.0701474