20121636 (number)

20121636 is an even 8-digits composite number following 20121635 and preceding 20121637. In scientific notation, it is written as 2.0121636 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 6525792 positive integers (up to 20121636) that are relatively prime to 20121636.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred thirty-six

Notation

Scientific notation 2.0121636 × 10^7
Engineering notation 2.0121636 × 10^6

Prime Factorization of 20121636

Prime Factorization 2 × 2 × 3 × 37 × 45319

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10060818
Product of the distinct prime numbers

The prime factorization of 20121636 is 2 × 2 × 3 × 37 × 45319. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 9, 23, 5, 279, 655, 7216, 4787, 7567, 67597, 626429, 47761, 6656051, 7264357, 6853948, 1352299, 708187922, 886193281, 5709461882, 3320186415

Basic calculations (n = 20121636)

Multiplication

n×y
n×2 40243272
n×3 60364908
n×4 80486544
n×5 100608180

Division

n÷y
n÷2 10060818
n÷3 6707212
n÷3 5030409
n÷5 4024327.2

Exponentiation

ny
n2 404880235316496
n3 8.1468527186329E+21
n4 1.6392800494994E+29
n5 3.2984996458089E+36

Nth Root

y√n
2√n 4485.7146587807
3√n 271.9909346748
4√n 66.975478040703
5√n 28.889009896729

Divisors of 20121636

1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 45319, 90638, 135957, 181276, 271914, 543828, 1676803, 3353606, 5030409, 6707212, 10060818, 20121636

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121635
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121636 can be divided by 24 positive divisors. The sum of these divisors (counting 20121636) is 1, the average is 0.041666666666667.

Base conversion 20121636

Base System Value
2 Binary 1001100110000100000100100
3 Ternary 1101212021200210
4 Quaternary 1030300200210
5 Quinary 20122343021
6 Senary 1555135420
8 Octal 114604044
10 Decimal 20121636
12 Duodecimal 68a4570
16 Hexadecimal 1330824
20 Vigesimal 65f41g
36 Base36 bz9yc

Cryptographic Hash Functions

md5 a44eb09086d9016706eb82e9496b4292
sha1 e5453d4512b88c261000da307dab037efcef3663
sha256 2fdac986a144cf77e600d62a838a542335bf010b203079262628820ba6310a01
sha512 26e08a21105ae58f2079f9a3e14591729ac8688c8dab6b6b43cb2da63f0c6f54cf28c00c3a8978111ccc9c3d5e200aa943f7d6bc368652ed120769386d668f48
ripemd-160 5203d0d583d889ef058816e488fdcf839d161788

20121636 as geometric shapes

Circle

Radius = n
Diameter 40243272
Circumference 126427967.67162
Area 1.271968772854E+15

Sphere

Radius = n
Volume 3.4125456867647E+22
Surface area 5.087875091416E+15
Circumference 126427967.67162

Square

Length = n
Perimeter 80486544
Area 404880235316496
Diagonal 28456290.528335

Cube

Length = n
Surface area 2429281411898976
Volume 8.1468527186329E+21
Space diagonal 34851695.883407

Equilateral Triangle

Length = n
Perimeter 60364908
Area 1.7531828463715E+14
Altitude 17425847.941703

Triangular Pyramid

Length = n
Surface area 1.7531828463715E+14
Volume 9.6011580044556E+20
Height 9485430.1761116