20121647 (number)

20121647 is an odd 8-digits composite number following 20121646 and preceding 20121648. In scientific notation, it is written as 2.0121647 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors. There are 15634944 positive integers (up to 20121647) that are relatively prime to 20121647.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred forty-seven

Notation

Scientific notation 2.0121647 × 10^7
Engineering notation 2.0121647 × 10^6

Prime Factorization of 20121647

Prime Factorization 7 × 13 × 13 × 73 × 233

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1547819
Product of the distinct prime numbers

The prime factorization of 20121647 is 7 × 13 × 13 × 73 × 233. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 10, 64, 55, 493, 493, 9597, 2955, 226, 84800, 508450, 73192, 7882819, 9679462, 74637237, 22343095, 872802530, 802801391, 799835702, 1318345956

Basic calculations (n = 20121647)

Multiplication

n×y
n×2 40243294
n×3 60364941
n×4 80486588
n×5 100608235

Division

n÷y
n÷2 10060823.5
n÷3 6707215.6666667
n÷3 5030411.75
n÷5 4024329.4

Exponentiation

ny
n2 404880677992609
n3 8.1468660796879E+21
n4 1.6392836341175E+29
n5 3.298508661859E+36

Nth Root

y√n
2√n 4485.7158848951
3√n 271.99098423836
4√n 66.97548719416
5√n 28.88901305531

Divisors of 20121647

1, 7, 13, 73, 91, 169, 233, 511, 949, 1183, 1631, 3029, 6643, 12337, 17009, 21203, 39377, 86359, 119063, 221117, 275639, 1547819, 2874521, 20121647

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121646
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121647 can be divided by 24 positive divisors. The sum of these divisors (counting 20121647) is 1, the average is 0.041666666666667.

Base conversion 20121647

Base System Value
2 Binary 1001100110000100000101111
3 Ternary 1101212021201012
4 Quaternary 1030300200233
5 Quinary 20122343042
6 Senary 1555135435
8 Octal 114604057
10 Decimal 20121647
12 Duodecimal 68a457b
16 Hexadecimal 133082f
20 Vigesimal 65f427
36 Base36 bz9yn

Cryptographic Hash Functions

md5 3755caa01cfde7ed5a7af3b7eeaa189f
sha1 b9af09178d418337158483478413dd877d0d5715
sha256 088f91c057cdef6947229beef72fff370c53cc1f4feb95592e568b819389195e
sha512 72cb42b4bcdb6d1fee48ae276349de2478be706dac8b580b6f65baf0fc69da56aa9ef98037d8082901ef565bfdf9472ce8be90f1803ee7d9ba5b1d75219e714f
ripemd-160 9f5f3659bc49ae7e1d852fe8fd046e7032af89b6

20121647 as geometric shapes

Circle

Radius = n
Diameter 40243294
Circumference 126428036.78665
Area 1.271970163562E+15

Sphere

Radius = n
Volume 3.4125512834303E+22
Surface area 5.0878806542481E+15
Circumference 126428036.78665

Square

Length = n
Perimeter 80486588
Area 404880677992609
Diagonal 28456306.084684

Cube

Length = n
Surface area 2429284067955654
Volume 8.1468660796879E+21
Space diagonal 34851714.935966

Equilateral Triangle

Length = n
Perimeter 60364941
Area 1.7531847632153E+14
Altitude 17425857.467983

Triangular Pyramid

Length = n
Surface area 1.7531847632153E+14
Volume 9.60117375061E+20
Height 9485435.3615613