21681186 (number)

21681186 is an even 8-digits composite number following 21681185 and preceding 21681187. In scientific notation, it is written as 2.1681186 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 6967296 positive integers (up to 21681186) that are relatively prime to 21681186.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1681186 × 10^7
Engineering notation 2.1681186 × 10^6

Prime Factorization of 21681186

Prime Factorization 2 × 3 × 37 × 127 × 769

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21681186
Product of the distinct prime numbers

The prime factorization of 21681186 is 2 × 3 × 37 × 127 × 769. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21681186)

Multiplication

n×y
n×2 43362372
n×3 65043558
n×4 86724744
n×5 108405930

Division

n÷y
n÷2 10840593
n÷3 7227062
n÷3 5420296.5
n÷5 4336237.2

Exponentiation

ny
n2 470073826366596
n3 1.0191758063186E+22
n4 2.2096940223493E+29
n5 4.7908787101644E+36

Nth Root

y√n
2√n 4656.3060466426
3√n 278.84381232486
4√n 68.237130996566
5√n 29.323554108686

Divisors of 21681186

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21681185
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21681186 can be divided by 32 positive divisors. The sum of these divisors (counting 21681186) is 1, the average is 0.03125.

Base conversion 21681186

Base System Value
2 Binary 1010010101101010000100010
3 Ternary 1111210111222220
4 Quaternary 1102231100202
5 Quinary 21022244221
6 Senary 2052411510
8 Octal 122552042
10 Decimal 21681186
12 Duodecimal 7316b96
16 Hexadecimal 14ad422
20 Vigesimal 6fa2j6
36 Base36 cwpb6

Cryptographic Hash Functions

md5 777e4c8c520ae82d4af7f83e67ff97cc
sha1 3ca53bf12eb0e115ae5765835ce03d238d9bec01
sha256 9e6667bd42f770177d753988264b21e3c09a9def1030ebe997f3572540bbf007
sha512 c5fa726c61fa542705bc95a67f2f0e8be3b845e990a90cac53e6d3606ac4476a194e61a5def6e0144b867864a47752bcff823f6ef15d6362fa76c3379d6a64e6
ripemd-160 0d98c041e7849f3fc2b2da4adfc8591e9a2cb60f

21681186 as geometric shapes

Circle

Radius = n
Diameter 43362372
Circumference 136226909.31743
Area 1.4767804795581E+15

Sphere

Radius = n
Volume 4.2691136344626E+22
Surface area 5.9071219182326E+15
Circumference 136226909.31743

Square

Length = n
Perimeter 86724744
Area 470073826366596
Diagonal 30661827.289534

Cube

Length = n
Surface area 2820442958199576
Volume 1.0191758063186E+22
Space diagonal 37552915.720351

Equilateral Triangle

Length = n
Perimeter 65043558
Area 2.0354793764381E+14
Altitude 18776457.860176

Triangular Pyramid

Length = n
Surface area 2.0354793764381E+14
Volume 1.2011102064486E+21
Height 10220609.096511