21771381 (number)

21771381 is an odd 8-digits composite number following 21771380 and preceding 21771382. In scientific notation, it is written as 2.1771381 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14514252 positive integers (up to 21771381) that are relatively prime to 21771381.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred seventy-one thousand three hundred eighty-one

Notation

Scientific notation 2.1771381 × 10^7
Engineering notation 2.1771381 × 10^6

Prime Factorization of 21771381

Prime Factorization 3 × 7257127

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21771381
Product of the distinct prime numbers

The prime factorization of 21771381 is 3 × 7257127. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21771381)

Multiplication

n×y
n×2 43542762
n×3 65314143
n×4 87085524
n×5 108856905

Division

n÷y
n÷2 10885690.5
n÷3 7257127
n÷3 5442845.25
n÷5 4354276.2

Exponentiation

ny
n2 473993030647161
n3 1.0319482861564E+22
n4 2.2466939310208E+29
n5 4.8913629562642E+36

Nth Root

y√n
2√n 4665.9812472834
3√n 279.22994622048
4√n 68.307988165978
5√n 29.347911151183

Divisors of 21771381

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 -21771380
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 21771381 can be divided by 4 positive divisors. The sum of these divisors (counting 21771381) is 1, the average is 0.25.

Base conversion 21771381

Base System Value
2 Binary 1010011000011010001110101
3 Ternary 1111222002201110
4 Quaternary 1103003101311
5 Quinary 21033141011
6 Senary 2054345233
8 Octal 123032165
10 Decimal 21771381
12 Duodecimal 735b219
16 Hexadecimal 14c3475
20 Vigesimal 6g1891
36 Base36 cymwl

Cryptographic Hash Functions

md5 183b7c5cf0df3a7c97918ea691814fea
sha1 aaa60fad96fd7bce935723732b698e21024986f0
sha256 63b268073a3df74e1d7b2208359d412c7876e75a41b5ff99dee0f51c8f85e82e
sha512 aeb9d0db2f0219b7eea1b7d2414775f1343735465b250319a92ba050795c33fefdaaf88d875d48f4abe985f7c51ddd1b310e04334b4cfa45c9f7e9d82ce7c05b
ripemd-160 ec25db8a14e8be6dbb9b2c5ee734aaa5a565ca1a

21771381 as geometric shapes

Circle

Radius = n
Diameter 43542762
Circumference 136793621.21621
Area 1.4890930229339E+15

Sphere

Radius = n
Volume 4.322614872898E+22
Surface area 5.9563720917355E+15
Circumference 136793621.21621

Square

Length = n
Perimeter 87085524
Area 473993030647161
Diagonal 30789382.281792

Cube

Length = n
Surface area 2843958183882966
Volume 1.0319482861564E+22
Space diagonal 37709138.04294

Equilateral Triangle

Length = n
Perimeter 65314143
Area 2.0524500287861E+14
Altitude 18854569.02147

Triangular Pyramid

Length = n
Surface area 2.0524500287861E+14
Volume 1.2161627182917E+21
Height 10263127.427264