20121893 (number)

20121893 is an odd 8-digits composite number following 20121892 and preceding 20121894. In scientific notation, it is written as 2.0121893 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 16919280 positive integers (up to 20121893) that are relatively prime to 20121893.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand eight hundred ninety-three

Notation

Scientific notation 2.0121893 × 10^7
Engineering notation 2.0121893 × 10^6

Prime Factorization of 20121893

Prime Factorization 43 × 11 × 19 × 2239

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121893
Product of the distinct prime numbers

The prime factorization of 20121893 is 43 × 11 × 19 × 2239. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121893)

Multiplication

n×y
n×2 40243786
n×3 60365679
n×4 80487572
n×5 100609465

Division

n÷y
n÷2 10060946.5
n÷3 6707297.6666667
n÷3 5030473.25
n÷5 4024378.6

Exponentiation

ny
n2 404890577903449
n3 8.1471648852814E+21
n4 1.6393638007499E+29
n5 3.2987102986763E+36

Nth Root

y√n
2√n 4485.7433051837
3√n 271.99209265507
4√n 66.97569189776
5√n 28.889083692296

Divisors of 20121893

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 -20121892
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 20121893 can be divided by 16 positive divisors. The sum of these divisors (counting 20121893) is 1, the average is 0.0625.

Base conversion 20121893

Base System Value
2 Binary 1001100110000100100100101
3 Ternary 1101212022001022
4 Quaternary 1030300210211
5 Quinary 20122400033
6 Senary 1555140525
8 Octal 114604445
10 Decimal 20121893
12 Duodecimal 68a4745
16 Hexadecimal 1330925
20 Vigesimal 65f4ed
36 Base36 bza5h

Cryptographic Hash Functions

md5 be9a0cc9d8179498504de7a573f52c85
sha1 35a2e4bac92101e25ed8e90ac8cc7300f8b6a7b6
sha256 f51a9bdb9e8b1a2c5f769a6edbb7b2238d12dd62cfadc951e1eb01557be3d9a6
sha512 d5819a49cfaa7e5c0ff07f5658afdcba43a692238f2144bd84a6edc2df1dd4ae2e4b45c27b081648c4f758e11645e961aa2988ee60784f80150404f1a228c5b7
ripemd-160 9eeb6ad23ed15ce00cb61b9bd915a7b8e2fd0649

20121893 as geometric shapes

Circle

Radius = n
Diameter 40243786
Circumference 126429582.45024
Area 1.2720012650492E+15

Sphere

Radius = n
Volume 3.4126764468246E+22
Surface area 5.0880050601968E+15
Circumference 126429582.45024

Square

Length = n
Perimeter 80487572
Area 404890577903449
Diagonal 28456653.98122

Cube

Length = n
Surface area 2429343467420694
Volume 8.1471648852814E+21
Space diagonal 34852141.020465

Equilateral Triangle

Length = n
Perimeter 60365679
Area 1.7532276310867E+14
Altitude 17426070.510232

Triangular Pyramid

Length = n
Surface area 1.7532276310867E+14
Volume 9.601525896379E+20
Height 9485551.3270734