20121018 (number)

20121018 is an even 8-digits composite number following 20121017 and preceding 20121019. In scientific notation, it is written as 2.0121018 × 10^7. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 6640400 positive integers (up to 20121018) that are relatively prime to 20121018.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand eighteen

Notation

Scientific notation 2.0121018 × 10^7
Engineering notation 2.0121018 × 10^6

Prime Factorization of 20121018

Prime Factorization 2 × 3 × 101 × 33203

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121018
Product of the distinct prime numbers

The prime factorization of 20121018 is 2 × 3 × 101 × 33203. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 71, 38, 740, 439, 3091, 3073, 8058, 74589, 116973, 563298, 9798506, 1591395, 66623801, 75813228, 155731019, 246645113, 9731298772, 5377372131

Basic calculations (n = 20121018)

Multiplication

n×y
n×2 40242036
n×3 60363054
n×4 80484072
n×5 100605090

Division

n÷y
n÷2 10060509
n÷3 6707006
n÷3 5030254.5
n÷5 4024203.6

Exponentiation

ny
n2 404855365356324
n3 8.1461020937312E+21
n4 1.639078668578E+29
n5 3.2979931393874E+36

Nth Root

y√n
2√n 4485.6457729072
3√n 271.98815007487
4√n 66.974963776826
5√n 28.888832439713

Divisors of 20121018

1, 2, 3, 6, 101, 202, 303, 606, 33203, 66406, 99609, 199218, 3353503, 6707006, 10060509, 20121018

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121018 can be divided by 16 positive divisors. The sum of these divisors (counting 20121018) is 1, the average is 0.0625.

Base conversion 20121018

Base System Value
2 Binary 1001100110000010110111010
3 Ternary 1101212020211220
4 Quaternary 1030300112322
5 Quinary 20122333033
6 Senary 1555132510
8 Octal 114602672
10 Decimal 20121018
12 Duodecimal 68a4136
16 Hexadecimal 13305ba
20 Vigesimal 65f2ai
36 Base36 bz9h6

Cryptographic Hash Functions

md5 ce712180c23b60b36f7d9855aa84f5be
sha1 6385dab9229a639b4e77c5901044e84af46c3d38
sha256 dfc16b8cd0d33d02c9794072e45a10142aa78fbfcdc6eac4ed5b7a4d7797e962
sha512 cba3c5d5a21d616e9f4156a93d6d3ac4c8113a7588d52a6f9af2e8ec5a61fe301302eccd3046a108567c80bfa65d5f79bdcf4143f358a42fba5142fb94ca5c21
ripemd-160 4a11b538fb71fff62ee18565a729e053d160510a

20121018 as geometric shapes

Circle

Radius = n
Diameter 40242036
Circumference 126424084.6631
Area 1.2718906415698E+15

Sphere

Radius = n
Volume 3.4122312657411E+22
Surface area 5.0875625662794E+15
Circumference 126424084.6631

Square

Length = n
Perimeter 80484072
Area 404855365356324
Diagonal 28455416.544353

Cube

Length = n
Surface area 2429132192137944
Volume 8.1461020937312E+21
Space diagonal 34850625.476008

Equilateral Triangle

Length = n
Perimeter 60363054
Area 1.753075156285E+14
Altitude 17425312.738004

Triangular Pyramid

Length = n
Surface area 1.753075156285E+14
Volume 9.6002733845254E+20
Height 9485138.8481177