20681646 (number)

20681646 is an even 8-digits composite number following 20681645 and preceding 20681647. In scientific notation, it is written as 2.0681646 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 6594104 positive integers (up to 20681646) that are relatively prime to 20681646.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681646 × 10^7
Engineering notation 2.0681646 × 10^6

Prime Factorization of 20681646

Prime Factorization 2 × 3 × 23 × 149867

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20681646
Product of the distinct prime numbers

The prime factorization of 20681646 is 2 × 3 × 23 × 149867. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681646)

Multiplication

n×y
n×2 41363292
n×3 62044938
n×4 82726584
n×5 103408230

Division

n÷y
n÷2 10340823
n÷3 6893882
n÷3 5170411.5
n÷5 4136329.2

Exponentiation

ny
n2 427730481269316
n3 8.8461703970216E+21
n4 1.8295336460688E+29
n5 3.7837767213084E+36

Nth Root

y√n
2√n 4547.7077742529
3√n 274.49116265125
4√n 67.436694567964
5√n 29.0480524473

Divisors of 20681646

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 -20681645
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 20681646 can be divided by 16 positive divisors. The sum of these divisors (counting 20681646) is 1, the average is 0.0625.

Base conversion 20681646

Base System Value
2 Binary 1001110111001001110101110
3 Ternary 1102220201212220
4 Quaternary 1032321032232
5 Quinary 20243303041
6 Senary 2015140210
8 Octal 116711656
10 Decimal 20681646
12 Duodecimal 6b14666
16 Hexadecimal 13b93ae
20 Vigesimal 695426
36 Base36 cba26

Cryptographic Hash Functions

md5 8b20a3b75535151d7c770021c40b6ca8
sha1 455be3e3524099424b96f4704ff876e335728be1
sha256 d81a030a83719d7ef2f06ee0af0da4833f96ad2503a2e3a14dd2d1a6e444f40f
sha512 a8ea1abc061b4d48914d64b14c2e701e674f5c741b6a7e49782b33ac0af6318d74b7c83e359cb92f435c659490fe9b130d58498a8ab150fdb56650e12d9cf89b
ripemd-160 1f71f45c4edd86fed1dea89f6393007ae79eb278

20681646 as geometric shapes

Circle

Radius = n
Diameter 41363292
Circumference 129946614.27549
Area 1.3437549376721E+15

Sphere

Radius = n
Volume 3.7054751908916E+22
Surface area 5.3750197506884E+15
Circumference 129946614.27549

Square

Length = n
Perimeter 82726584
Area 427730481269316
Diagonal 29248264.265399

Cube

Length = n
Surface area 2566382887615896
Volume 8.8461703970216E+21
Space diagonal 35821661.656154

Equilateral Triangle

Length = n
Perimeter 62044938
Area 1.8521273137609E+14
Altitude 17910830.828077

Triangular Pyramid

Length = n
Surface area 1.8521273137609E+14
Volume 1.0425311792109E+21
Height 9749421.4217998