21681131 (number)

21681131 is an odd 8-digits composite number following 21681130 and preceding 21681132. In scientific notation, it is written as 2.1681131 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 21600264 positive integers (up to 21681131) that are relatively prime to 21681131.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1681131 × 10^7
Engineering notation 2.1681131 × 10^6

Prime Factorization of 21681131

Prime Factorization 269 × 80599

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21681131
Product of the distinct prime numbers

The prime factorization of 21681131 is 269 × 80599. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21681131)

Multiplication

n×y
n×2 43362262
n×3 65043393
n×4 86724524
n×5 108405655

Division

n÷y
n÷2 10840565.5
n÷3 7227043.6666667
n÷3 5420282.75
n÷5 4336226.2

Exponentiation

ny
n2 470071441439161
n3 1.0191680501201E+22
n4 2.2096716005669E+29
n5 4.7908179438871E+36

Nth Root

y√n
2√n 4656.3001406696
3√n 278.8435765379
4√n 68.237087721192
5√n 29.323539231297

Divisors of 21681131

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21681130
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21681131 can be divided by 4 positive divisors. The sum of these divisors (counting 21681131) is 1, the average is 0.25.

Base conversion 21681131

Base System Value
2 Binary 1010010101101001111101011
3 Ternary 1111210111220212
4 Quaternary 1102231033223
5 Quinary 21022244011
6 Senary 2052411335
8 Octal 122551753
10 Decimal 21681131
12 Duodecimal 7316b4b
16 Hexadecimal 14ad3eb
20 Vigesimal 6fa2gb
36 Base36 cwp9n

Cryptographic Hash Functions

md5 5afd2a2ad9b99d9d68c524b1e085e1c3
sha1 bfb1e65315911668c5be04f767a989eda6ecf1f2
sha256 147a31fc6c05d343957c24b0c7e7fee4534a62edca10d5977e45cbbbaf969a1e
sha512 9186969708f0c11c17d76f6b3ff28bcbc814408b02d467ad55068f2be446dd8a74fac3dbdbf011490dc6daf621a181062d4824337a22ebc9b1ee6181e4c58ac2
ripemd-160 5d385165094a582fe469b5ea1e00e1696347b658

21681131 as geometric shapes

Circle

Radius = n
Diameter 43362262
Circumference 136226563.74224
Area 1.4767729870876E+15

Sphere

Radius = n
Volume 4.2690811453744E+22
Surface area 5.9070919483505E+15
Circumference 136226563.74224

Square

Length = n
Perimeter 86724524
Area 470071441439161
Diagonal 30661749.507788

Cube

Length = n
Surface area 2820428648634966
Volume 1.0191680501201E+22
Space diagonal 37552820.457557

Equilateral Triangle

Length = n
Perimeter 65043393
Area 2.0354690493994E+14
Altitude 18776410.228778

Triangular Pyramid

Length = n
Surface area 2.0354690493994E+14
Volume 1.201101065681E+21
Height 10220583.169263