20121705 (number)

20121705 is an odd 8-digits composite number following 20121704 and preceding 20121706. In scientific notation, it is written as 2.0121705 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 10656000 positive integers (up to 20121705) that are relatively prime to 20121705.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand seven hundred five

Notation

Scientific notation 2.0121705 × 10^7
Engineering notation 2.0121705 × 10^6

Prime Factorization of 20121705

Prime Factorization 45 × 149 × 3001

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121705
Product of the distinct prime numbers

The prime factorization of 20121705 is 45 × 149 × 3001. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121705)

Multiplication

n×y
n×2 40243410
n×3 60365115
n×4 80486820
n×5 100608525

Division

n÷y
n÷2 10060852.5
n÷3 6707235
n÷3 5030426.25
n÷5 4024341

Exponentiation

ny
n2 404883012107025
n3 8.146936529129E+21
n4 1.6393025349286E+29
n5 3.2985562013585E+36

Nth Root

y√n
2√n 4485.7223498563
3√n 271.9912455732
4√n 66.975535457779
5√n 28.889029709621

Divisors of 20121705

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121704
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121705 can be divided by 8 positive divisors. The sum of these divisors (counting 20121705) is 1, the average is 0.125.

Base conversion 20121705

Base System Value
2 Binary 1001100110000100001101001
3 Ternary 1101212021210100
4 Quaternary 1030300201221
5 Quinary 20122343310
6 Senary 1555140013
8 Octal 114604151
10 Decimal 20121705
12 Duodecimal 68a4609
16 Hexadecimal 1330869
20 Vigesimal 65f455
36 Base36 bza09

Cryptographic Hash Functions

md5 9c2eddbef4a9b7a46ec3c297a6b1b1a0
sha1 52dda8b35265f16e0b4af7480953be6e27d360a2
sha256 1b6b44da85e74a5528890a342e0761a5332300d3af40d8dcd87951f15d65cc6a
sha512 14b787f9513159628bfb7101ac4a44d716e0a33473c4449abb978fe251ee83ceb13d8401621d2be5c3597ced2e7fc9b72ce5d8fbe2f8b7561e94f9d78b696ae0
ripemd-160 8ee3c75b84a01b3f154de7f155c60f73fb16cdc0

20121705 as geometric shapes

Circle

Radius = n
Diameter 40243410
Circumference 126428401.2114
Area 1.2719774963987E+15

Sphere

Radius = n
Volume 3.4125807932232E+22
Surface area 5.0879099855949E+15
Circumference 126428401.2114

Square

Length = n
Perimeter 80486820
Area 404883012107025
Diagonal 28456388.109071

Cube

Length = n
Surface area 2429298072642150
Volume 8.146936529129E+21
Space diagonal 34851815.394913

Equilateral Triangle

Length = n
Perimeter 60365115
Area 1.7531948702272E+14
Altitude 17425907.697456

Triangular Pyramid

Length = n
Surface area 1.7531948702272E+14
Volume 9.6012567760725E+20
Height 9485462.7030235