20121668 (number)

20121668 is an even 8-digits composite number following 20121667 and preceding 20121669. In scientific notation, it is written as 2.0121668 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 8538624 positive integers (up to 20121668) that are relatively prime to 20121668.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred sixty-eight

Notation

Scientific notation 2.0121668 × 10^7
Engineering notation 2.0121668 × 10^6

Prime Factorization of 20121668

Prime Factorization 2 × 2 × 7 × 103 × 6977

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10060834
Product of the distinct prime numbers

The prime factorization of 20121668 is 2 × 2 × 7 × 103 × 6977. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 2, 44, 89, 110, 353, 2997, 4095, 65738, 17531, 150245, 676263, 6037684, 4076029, 58149585, 78486032, 420207705, 979901276, 9705598465, 8264043047

Basic calculations (n = 20121668)

Multiplication

n×y
n×2 40243336
n×3 60365004
n×4 80486672
n×5 100608340

Division

n÷y
n÷2 10060834
n÷3 6707222.6666667
n÷3 5030417
n÷5 4024333.6

Exponentiation

ny
n2 404881523102224
n3 8.1468915871973E+21
n4 1.6392904774958E+29
n5 3.2985258743731E+36

Nth Root

y√n
2√n 4485.718225658
3√n 271.99107885965
4√n 66.975504668931
5√n 28.889019085324

Divisors of 20121668

1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 6977, 13954, 27908, 48839, 97678, 195356, 718631, 1437262, 2874524, 5030417, 10060834, 20121668

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 -20121667
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 20121668 can be divided by 24 positive divisors. The sum of these divisors (counting 20121668) is 1, the average is 0.041666666666667.

Base conversion 20121668

Base System Value
2 Binary 1001100110000100001000100
3 Ternary 1101212021201222
4 Quaternary 1030300201010
5 Quinary 20122343133
6 Senary 1555135512
8 Octal 114604104
10 Decimal 20121668
12 Duodecimal 68a4598
16 Hexadecimal 1330844
20 Vigesimal 65f438
36 Base36 bz9z8

Cryptographic Hash Functions

md5 524a0c2497f9f1822f65df5b411ab9b1
sha1 7bef4831ec07a7ddee7cc419818ee8ef0ea04d39
sha256 86a5e0065265839173de79e56ab0073b51cbd41a4062cc8f29ecb78eacf848ff
sha512 3227dc9141d949f1103d191f4876bd5c0c4846f3f40902f3afa239673c2574109845b2b12e65435baa94f17c840736c383b0b9e6e939ecbe1cf54ea206ae9a65
ripemd-160 e1ff49cfcf504a0ed8f4ebdd2fecc167c5989eda

20121668 as geometric shapes

Circle

Radius = n
Diameter 40243336
Circumference 126428168.73355
Area 1.2719728185522E+15

Sphere

Radius = n
Volume 3.4125619679909E+22
Surface area 5.0878912742088E+15
Circumference 126428168.73355

Square

Length = n
Perimeter 80486672
Area 404881523102224
Diagonal 28456335.783169

Cube

Length = n
Surface area 2429289138613344
Volume 8.1468915871973E+21
Space diagonal 34851751.309033

Equilateral Triangle

Length = n
Perimeter 60365004
Area 1.7531884226473E+14
Altitude 17425875.654516

Triangular Pyramid

Length = n
Surface area 1.7531884226473E+14
Volume 9.6012038114981E+20
Height 9485445.2610562