20121910 (number)

20121910 is an even 8-digits composite number following 20121909 and preceding 20121911. In scientific notation, it is written as 2.0121910 × 10^7. The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors. There are 7977088 positive integers (up to 20121910) that are relatively prime to 20121910.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121910 × 10^7
Engineering notation 2.0121910 × 10^6

Prime Factorization of 20121910

Prime Factorization 2 × 5 × 113 × 17807

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121910
Product of the distinct prime numbers

The prime factorization of 20121910 is 2 × 5 × 113 × 17807. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 9, 15, 466, 848, 9011, 5180, 73565, 49469, 837195, 704946, 3786479, 4257581, 24957730, 36029676, 827276529, 290583656, 8901475948, 1569227579

Basic calculations (n = 20121910)

Multiplication

n×y
n×2 40243820
n×3 60365730
n×4 80487640
n×5 100609550

Division

n÷y
n÷2 10060955
n÷3 6707303.3333333
n÷3 5030477.5
n÷5 4024382

Exponentiation

ny
n2 404891262048100
n3 8.1471855347183E+21
n4 1.639369340829E+29
n5 3.2987242332921E+36

Nth Root

y√n
2√n 4485.7452000755
3√n 271.99216925264
4√n 66.975706043874
5√n 28.889088573688

Divisors of 20121910

1, 2, 5, 10, 113, 226, 565, 1130, 17807, 35614, 89035, 178070, 2012191, 4024382, 10060955, 20121910

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 -20121909
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 20121910 can be divided by 16 positive divisors. The sum of these divisors (counting 20121910) is 1, the average is 0.0625.

Base conversion 20121910

Base System Value
2 Binary 1001100110000100100110110
3 Ternary 1101212022001221
4 Quaternary 1030300210312
5 Quinary 20122400120
6 Senary 1555140554
8 Octal 114604466
10 Decimal 20121910
12 Duodecimal 68a475a
16 Hexadecimal 1330936
20 Vigesimal 65f4fa
36 Base36 bza5y

Cryptographic Hash Functions

md5 23fe29fc81df5ddf095cc0371d11ca94
sha1 5ba82fd05e7644dcff4918f36bc129c91bb5f58b
sha256 fe2802431cc2b9e2e586e562f4e99d1629bdf22c84c561d312ef74a8ec005313
sha512 d966d57f87f298421ea450941ed9f12d51bc26fa4e4def90696847f917f2f21a8310316d2a8b48a3e75bb3c0d554fe9216ba228bf1d1e9be25e0ea90f9c8e918
ripemd-160 f495f0c50a4234e78770433f0c19ed392b6538b6

20121910 as geometric shapes

Circle

Radius = n
Diameter 40243820
Circumference 126429689.26439
Area 1.272003414353E+15

Sphere

Radius = n
Volume 3.4126850964405E+22
Surface area 5.088013657412E+15
Circumference 126429689.26439

Square

Length = n
Perimeter 80487640
Area 404891262048100
Diagonal 28456678.022851

Cube

Length = n
Surface area 2429347572288600
Volume 8.1471855347183E+21
Space diagonal 34852170.465328

Equilateral Triangle

Length = n
Perimeter 60365730
Area 1.75323059352E+14
Altitude 17426085.232664

Triangular Pyramid

Length = n
Surface area 1.75323059352E+14
Volume 9.6015502319737E+20
Height 9485559.3409503