21158081 (number)

21158081 is an odd 8-digits composite number following 21158080 and preceding 21158082. In scientific notation, it is written as 2.1158081 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 16477440 positive integers (up to 21158081) that are relatively prime to 21158081.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-eight thousand eighty-one

Notation

Scientific notation 2.1158081 × 10^7
Engineering notation 2.1158081 × 10^6

Prime Factorization of 21158081

Prime Factorization 17 × 7 × 29 × 6131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21158081
Product of the distinct prime numbers

The prime factorization of 21158081 is 17 × 7 × 29 × 6131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 62, 75, 32, 350, 4088, 5511, 69283, 57568, 286727, 629104, 6702641, 3122500, 17070017, 22155609, 162654720, 943960767, 422217682, 5264823579

Basic calculations (n = 21158081)

Multiplication

n×y
n×2 42316162
n×3 63474243
n×4 84632324
n×5 105790405

Division

n÷y
n÷2 10579040.5
n÷3 7052693.6666667
n÷3 5289520.25
n÷5 4231616.2

Exponentiation

ny
n2 447664391602561
n3 9.4717194583427E+21
n4 2.0040340750889E+29
n5 4.2401515287491E+36

Nth Root

y√n
2√n 4599.7914083141
3√n 276.58296317886
4√n 67.821762055509
5√n 29.180669720127

Divisors of 21158081

1, 7, 17, 29, 119, 203, 493, 3451, 6131, 42917, 104227, 177799, 729589, 1244593, 3022583, 21158081

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 -21158080
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 21158081 can be divided by 16 positive divisors. The sum of these divisors (counting 21158081) is 1, the average is 0.0625.

Base conversion 21158081

Base System Value
2 Binary 1010000101101100011000001
3 Ternary 1110210221102122
4 Quaternary 1100231203001
5 Quinary 20404024311
6 Senary 2033254025
8 Octal 120554301
10 Decimal 21158081
12 Duodecimal 7104315
16 Hexadecimal 142d8c1
20 Vigesimal 6c4f41
36 Base36 clhoh

Cryptographic Hash Functions

md5 714b7368e0e1b90efb98744487958ba4
sha1 6f15d1fe860e29ad496c470b1cf95dbf5fe438de
sha256 4230779f4e6c7771f3e5c35e6c9b1502aa2acb8f5abfccfee448d4a5da15d036
sha512 874fe34aac54232027d7e19f8b5bf10b30e65369157cef289d696b0b90db589c58cca6612639a48be3dc04c5bc4482f4f2f94dd413a653bf28ede3dda9fda5fb
ripemd-160 bc24cc330b241ff386b469802e1ac5df02283ec2

21158081 as geometric shapes

Circle

Radius = n
Diameter 42316162
Circumference 132940143.66732
Area 1.4063791639324E+15

Sphere

Radius = n
Volume 3.9675045689591E+22
Surface area 5.6255166557294E+15
Circumference 132940143.66732

Square

Length = n
Perimeter 84632324
Area 447664391602561
Diagonal 29922045.103988

Cube

Length = n
Surface area 2685986349615366
Volume 9.4717194583427E+21
Space diagonal 36646871.282658

Equilateral Triangle

Length = n
Perimeter 63474243
Area 1.9384436774876E+14
Altitude 18323435.641329

Triangular Pyramid

Length = n
Surface area 1.9384436774876E+14
Volume 1.1162528430818E+21
Height 9974015.0346628