20121656 (number)

20121656 is an even 8-digits composite number following 20121655 and preceding 20121657. In scientific notation, it is written as 2.0121656 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors. There are 9993600 positive integers (up to 20121656) that are relatively prime to 20121656.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred fifty-six

Notation

Scientific notation 2.0121656 × 10^7
Engineering notation 2.0121656 × 10^6

Prime Factorization of 20121656

Prime Factorization 2 × 2 × 2 × 151 × 16657

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5030414
Product of the distinct prime numbers

The prime factorization of 20121656 is 2 × 2 × 2 × 151 × 16657. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 53, 68, 419, 761, 7835, 860, 45383, 82669, 463619, 384343, 7434688, 8566967, 49312371, 7005959, 206658097, 291083761, 6848488840, 1511132670

Basic calculations (n = 20121656)

Multiplication

n×y
n×2 40243312
n×3 60364968
n×4 80486624
n×5 100608280

Division

n÷y
n÷2 10060828
n÷3 6707218.6666667
n÷3 5030414
n÷5 4024331.2

Exponentiation

ny
n2 404881040182336
n3 8.1468770114711E+21
n4 1.6392865669913E+29
n5 3.298516038642E+36

Nth Root

y√n
2√n 4485.7168880793
3√n 271.99102479035
4√n 66.975494683349
5√n 28.889015639602

Divisors of 20121656

1, 2, 4, 8, 151, 302, 604, 1208, 16657, 33314, 66628, 133256, 2515207, 5030414, 10060828, 20121656

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 -20121655
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 20121656 can be divided by 16 positive divisors. The sum of these divisors (counting 20121656) is 1, the average is 0.0625.

Base conversion 20121656

Base System Value
2 Binary 1001100110000100000111000
3 Ternary 1101212021201112
4 Quaternary 1030300200320
5 Quinary 20122343111
6 Senary 1555135452
8 Octal 114604070
10 Decimal 20121656
12 Duodecimal 68a4588
16 Hexadecimal 1330838
20 Vigesimal 65f42g
36 Base36 bz9yw

Cryptographic Hash Functions

md5 102f4f23d6ecb1af68cfc11c644fc2c1
sha1 758f068693bbffc81b70b9b87a8f0d183a933972
sha256 c943a5d5ce952f0da4a82f5bbbe8199e907cd01651a8a92035d7a1104ebf84e6
sha512 6186146d45257a413c8f297ad0b2487e0b77d0be62d7dee4b1732535ddb5eb58d72989d1597ad8c87cd63a08fffd1a2b25ca89bb4db3a5b2bb8a2b671e3a915d
ripemd-160 ea104898d02c8d4296b72a274d85f7f80177bd10

20121656 as geometric shapes

Circle

Radius = n
Diameter 40243312
Circumference 126428093.33532
Area 1.2719713014146E+15

Sphere

Radius = n
Volume 3.412555862525E+22
Surface area 5.0878852056585E+15
Circumference 126428093.33532

Square

Length = n
Perimeter 80486624
Area 404881040182336
Diagonal 28456318.812606

Cube

Length = n
Surface area 2429286241094016
Volume 8.1468770114711E+21
Space diagonal 34851730.524423

Equilateral Triangle

Length = n
Perimeter 60364968
Area 1.7531863315429E+14
Altitude 17425865.262212

Triangular Pyramid

Length = n
Surface area 1.7531863315429E+14
Volume 9.6011866338401E+20
Height 9485439.604202