20121816 (number)

20121816 is an even 8-digits composite number following 20121815 and preceding 20121817. In scientific notation, it is written as 2.0121816 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 64 positive divisors. There are 5491200 positive integers (up to 20121816) that are relatively prime to 20121816.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand eight hundred sixteen

Notation

Scientific notation 2.0121816 × 10^7
Engineering notation 2.0121816 × 10^6

Prime Factorization of 20121816

Prime Factorization 2 × 2 × 2 × 3 × 41 × 1859 × 11

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5030454
Product of the distinct prime numbers

The prime factorization of 20121816 is 2 × 2 × 2 × 3 × 41 × 1859 × 11. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121816)

Multiplication

n×y
n×2 40243632
n×3 60365448
n×4 80487264
n×5 100609080

Division

n÷y
n÷2 10060908
n÷3 6707272
n÷3 5030454
n÷5 4024363.2

Exponentiation

ny
n2 404887479137856
n3 8.1470713559158E+21
n4 1.6393387076261E+29
n5 3.298647183653E+36

Nth Root

y√n
2√n 4485.7347224284
3√n 271.9917457126
4√n 66.975627824071
5√n 28.889061582419

Divisors of 20121816

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121816 can be divided by 64 positive divisors. The sum of these divisors (counting 20121816) is 1, the average is 0.015625.

Base conversion 20121816

Base System Value
2 Binary 1001100110000100011011000
3 Ternary 1101212021221110
4 Quaternary 1030300203120
5 Quinary 20122344231
6 Senary 1555140320
8 Octal 114604330
10 Decimal 20121816
12 Duodecimal 68a46a0
16 Hexadecimal 13308d8
20 Vigesimal 65f4ag
36 Base36 bza3c

Cryptographic Hash Functions

md5 b850794da5af86b3e2d0ef6192caf33d
sha1 04b3db1a3e2fd39746cfd96abda22b3fdc7f4ef6
sha256 57f735c7f675cfdd5889c368a92860ec3d06c4386bdea259d61159d21a902c8a
sha512 2c81a8163764caf6a3e5884e7f27ec06c16032edfe8b2712cf53c122ea472bcce1d2f00417569728ce1e06aa6af1f06db11e767dba91ed25ffdd70524d4f6deb
ripemd-160 02204e491fb6a194d7988a2dabb42d22996cfa5d

20121816 as geometric shapes

Circle

Radius = n
Diameter 40243632
Circumference 126429098.64497
Area 1.27199152999E+15

Sphere

Radius = n
Volume 3.4126372693356E+22
Surface area 5.0879661199599E+15
Circumference 126429098.64497

Square

Length = n
Perimeter 80487264
Area 404887479137856
Diagonal 28456545.086776

Cube

Length = n
Surface area 2429324874827136
Volume 8.1470713559158E+21
Space diagonal 34852007.652552

Equilateral Triangle

Length = n
Perimeter 60365448
Area 1.7532142130381E+14
Altitude 17426003.826276

Triangular Pyramid

Length = n
Surface area 1.7532142130381E+14
Volume 9.6014156709645E+20
Height 9485515.0289253