20121900 (number)

20121900 is an even 8-digits composite number following 20121899 and preceding 20121901. In scientific notation, it is written as 2.0121900 × 10^7. The sum of its digits is 15. It has a total of 6 prime factors and 36 positive divisors. There are 5365760 positive integers (up to 20121900) that are relatively prime to 20121900.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand nine hundred

Notation

Scientific notation 2.0121900 × 10^7
Engineering notation 2.0121900 × 10^6

Prime Factorization of 20121900

Prime Factorization 2 × 2 × 5 × 3 × 5 × 67073

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2012190
Product of the distinct prime numbers

The prime factorization of 20121900 is 2 × 2 × 5 × 3 × 5 × 67073. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121900)

Multiplication

n×y
n×2 40243800
n×3 60365700
n×4 80487600
n×5 100609500

Division

n÷y
n÷2 10060950
n÷3 6707300
n÷3 5030475
n÷5 4024380

Exponentiation

ny
n2 404890859610000
n3 8.1471733879865E+21
n4 1.6393660819572E+29
n5 3.2987160364536E+36

Nth Root

y√n
2√n 4485.7440854333
3√n 271.99212419526
4√n 66.975697722632
5√n 28.889085702281

Divisors of 20121900

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121900 can be divided by 36 positive divisors. The sum of these divisors (counting 20121900) is 1, the average is 0.027777777777778.

Base conversion 20121900

Base System Value
2 Binary 1001100110000100100101100
3 Ternary 1101212022001120
4 Quaternary 1030300210230
5 Quinary 20122400100
6 Senary 1555140540
8 Octal 114604454
10 Decimal 20121900
12 Duodecimal 68a4750
16 Hexadecimal 133092c
20 Vigesimal 65f4f0
36 Base36 bza5o

Cryptographic Hash Functions

md5 59dccbf8be3ebee6c55207f51dc98ccb
sha1 e6324aab8a7e94e8f9f1796685aad4e702a22c35
sha256 afaaa2dd8dbf427f0fc84a6065d0b21323f49040977f6a870dc59c5f4c0153b1
sha512 95a4a2c4e5449e9a94cc7a031e7dd1d7bea22ddf20bf46fcc73a7c29c34648dbaf8a54c670482ce694e485ac6fed0dd494a37d31899ec80548096d6a254a26ac
ripemd-160 9983c92cf533f7a0e4e40aa402079bf3b18f4fbd

20121900 as geometric shapes

Circle

Radius = n
Diameter 40243800
Circumference 126429626.43254
Area 1.2720021500564E+15

Sphere

Radius = n
Volume 3.4126800084294E+22
Surface area 5.0880086002257E+15
Circumference 126429626.43254

Square

Length = n
Perimeter 80487600
Area 404890859610000
Diagonal 28456663.880715

Cube

Length = n
Surface area 2429345157660000
Volume 8.1471733879865E+21
Space diagonal 34852153.14482

Equilateral Triangle

Length = n
Perimeter 60365700
Area 1.7532288509119E+14
Altitude 17426076.57241

Triangular Pyramid

Length = n
Surface area 1.7532288509119E+14
Volume 9.601535916913E+20
Height 9485554.6269051