20121005 (number)

20121005 is an odd 8-digits composite number following 20121004 and preceding 20121006. In scientific notation, it is written as 2.0121005 × 10^7. The sum of its digits is 11. It has a total of 3 prime factors and 8 positive divisors. There are 16038400 positive integers (up to 20121005) that are relatively prime to 20121005.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand five

Notation

Scientific notation 2.0121005 × 10^7
Engineering notation 2.0121005 × 10^6

Prime Factorization of 20121005

Prime Factorization 5 × 281 × 14321

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121005
Product of the distinct prime numbers

The prime factorization of 20121005 is 5 × 281 × 14321. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121005)

Multiplication

n×y
n×2 40242010
n×3 60363015
n×4 80484020
n×5 100605025

Division

n÷y
n÷2 10060502.5
n÷3 6707001.6666667
n÷3 5030251.25
n÷5 4024201

Exponentiation

ny
n2 404854842210025
n3 8.1460863043821E+21
n4 1.639074432609E+29
n5 3.2979824853899E+36

Nth Root

y√n
2√n 4485.6443238402
3√n 271.98809149853
4√n 66.97495295885
5√n 28.888828706752

Divisors of 20121005

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 -20121004
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 20121005 can be divided by 8 positive divisors. The sum of these divisors (counting 20121005) is 1, the average is 0.125.

Base conversion 20121005

Base System Value
2 Binary 1001100110000010110101101
3 Ternary 1101212020211102
4 Quaternary 1030300112231
5 Quinary 20122333010
6 Senary 1555132445
8 Octal 114602655
10 Decimal 20121005
12 Duodecimal 68a4125
16 Hexadecimal 13305ad
20 Vigesimal 65f2a5
36 Base36 bz9gt

Cryptographic Hash Functions

md5 b45a9aa3731be3a1f8c24b2c9275d8cf
sha1 ecf3d90c05d956f0e6d85432eaf3d874d57b94ef
sha256 dc8b69b2b863372da00ac2c4db6efb4aae6d145bc878d80c6cfa8e7a179947d1
sha512 c14fe91a30c6871304c4d41d26a47aa29eefd21b63178860943d902aac77b9738b2ad575d8027d3050c587b2661d7c4f1e68a67829c501d4204a3e517c6ef32d
ripemd-160 4023b86b1cbed8a1218714d3328c58ccaa034e47

20121005 as geometric shapes

Circle

Radius = n
Diameter 40242010
Circumference 126424002.98169
Area 1.2718889980573E+15

Sphere

Radius = n
Volume 3.412224651914E+22
Surface area 5.0875559922291E+15
Circumference 126424002.98169

Square

Length = n
Perimeter 80484020
Area 404854842210025
Diagonal 28455398.159577

Cube

Length = n
Surface area 2429129053260150
Volume 8.1460863043821E+21
Space diagonal 34850602.959347

Equilateral Triangle

Length = n
Perimeter 60363015
Area 1.7530728909951E+14
Altitude 17425301.479674

Triangular Pyramid

Length = n
Surface area 1.7530728909951E+14
Volume 9.6002547765991E+20
Height 9485132.719859