21138061 (number)

21138061 is an odd 8-digits composite number following 21138060 and preceding 21138062. In scientific notation, it is written as 2.1138061 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 8 positive divisors. There are 18118044 positive integers (up to 21138061) that are relatively prime to 21138061.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-eight thousand sixty-one

Notation

Scientific notation 2.1138061 × 10^7
Engineering notation 2.1138061 × 10^6

Prime Factorization of 21138061

Prime Factorization 7 × 7 × 7 × 61627

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 431389
Product of the distinct prime numbers

The prime factorization of 21138061 is 7 × 7 × 7 × 61627. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21138061)

Multiplication

n×y
n×2 42276122
n×3 63414183
n×4 84552244
n×5 105690305

Division

n÷y
n÷2 10569030.5
n÷3 7046020.3333333
n÷3 5284515.25
n÷5 4227612.2

Exponentiation

ny
n2 446817622839721
n3 9.444858167461E+21
n4 1.9964598808014E+29
n5 4.2201290744433E+36

Nth Root

y√n
2√n 4597.61470765
3√n 276.49570040849
4√n 67.805712942569
5√n 29.175145417211

Divisors of 21138061

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21138060
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21138061 can be divided by 8 positive divisors. The sum of these divisors (counting 21138061) is 1, the average is 0.125.

Base conversion 21138061

Base System Value
2 Binary 1010000101000101010001101
3 Ternary 1110202220222011
4 Quaternary 1100220222031
5 Quinary 20402404221
6 Senary 2033021221
8 Octal 120505215
10 Decimal 21138061
12 Duodecimal 70b4811
16 Hexadecimal 1428a8d
20 Vigesimal 6c2531
36 Base36 cl28d

Cryptographic Hash Functions

md5 23074dcddabc051ceb5eeb26bfae727c
sha1 f1a4c466887935f77761a8daf6d6410bca210126
sha256 6724d2fa646a43f524fac78dbcf4b5b1129462ddfef73f1a6138b0aa2b52a12e
sha512 efeb506826d323ffc29fc3d47ca03908aceb89fc4428d6ef33bfac7858498d4d84e7a227c3db5dde3feb776740ba87c3bedf1c75b0b16eabb8516486ed28cc21
ripemd-160 fc639cec694c13e9332c50bbf1a2f52d446a1443

21138061 as geometric shapes

Circle

Radius = n
Diameter 42276122
Circumference 132814354.29747
Area 1.4037189614077E+15

Sphere

Radius = n
Volume 3.9562529377457E+22
Surface area 5.6148758456309E+15
Circumference 132814354.29747

Square

Length = n
Perimeter 84552244
Area 446817622839721
Diagonal 29893732.54847

Cube

Length = n
Surface area 2680905737038326
Volume 9.444858167461E+21
Space diagonal 36612195.62549

Equilateral Triangle

Length = n
Perimeter 63414183
Area 1.9347770611889E+14
Altitude 18306097.812745

Triangular Pyramid

Length = n
Surface area 1.9347770611889E+14
Volume 1.1130872095928E+21
Height 9964577.5161566