20121940 (number)

20121940 is an even 8-digits composite number following 20121939 and preceding 20121941. In scientific notation, it is written as 2.0121940 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors. There are 7771008 positive integers (up to 20121940) that are relatively prime to 20121940.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand nine hundred forty

Notation

Scientific notation 2.0121940 × 10^7
Engineering notation 2.0121940 × 10^6

Prime Factorization of 20121940

Prime Factorization 2 × 2 × 5 × 29 × 34693

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10060970
Product of the distinct prime numbers

The prime factorization of 20121940 is 2 × 2 × 5 × 29 × 34693. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121940)

Multiplication

n×y
n×2 40243880
n×3 60365820
n×4 80487760
n×5 100609700

Division

n÷y
n÷2 10060970
n÷3 6707313.3333333
n÷3 5030485
n÷5 4024388

Exponentiation

ny
n2 404892469363600
n3 8.1472219749862E+21
n4 1.6393791174735E+29
n5 3.2987488239055E+36

Nth Root

y√n
2√n 4485.7485440002
3√n 271.99230442472
4√n 66.975731007584
5√n 28.889097187901

Divisors of 20121940

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 -20121939
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 20121940 can be divided by 24 positive divisors. The sum of these divisors (counting 20121940) is 1, the average is 0.041666666666667.

Base conversion 20121940

Base System Value
2 Binary 1001100110000100101010100
3 Ternary 1101212022010001
4 Quaternary 1030300211110
5 Quinary 20122400230
6 Senary 1555141044
8 Octal 114604524
10 Decimal 20121940
12 Duodecimal 68a4784
16 Hexadecimal 1330954
20 Vigesimal 65f4h0
36 Base36 bza6s

Cryptographic Hash Functions

md5 dda4ff92f553412632a89a08544f74c7
sha1 83b4955cf7df05d5ad3e229f066fe598de1de534
sha256 6d70ad186fe1253f768025ae519e1aeae8d7f8660d0e8f8ecb5eaf5db97efe91
sha512 2fa81e4dc9e51c22d4bac1c29e99e525939558fe102217c41660f8f011f672404dcf2bd506ba31de5f65c98877b87303477506c7a45fab604830c4ec17bb8df4
ripemd-160 faeb205356e58817960a87f757992a18d6dbbbe8

20121940 as geometric shapes

Circle

Radius = n
Diameter 40243880
Circumference 126429877.75995
Area 1.2720072072465E+15

Sphere

Radius = n
Volume 3.4127003605043E+22
Surface area 5.0880288289861E+15
Circumference 126429877.75995

Square

Length = n
Perimeter 80487760
Area 404892469363600
Diagonal 28456720.449258

Cube

Length = n
Surface area 2429354816181600
Volume 8.1472219749862E+21
Space diagonal 34852222.426852

Equilateral Triangle

Length = n
Perimeter 60365820
Area 1.7532358213495E+14
Altitude 17426111.213426

Triangular Pyramid

Length = n
Surface area 1.7532358213495E+14
Volume 9.6015931772413E+20
Height 9485573.4830859