21031982 (number)

21031982 is an even 8-digits composite number following 21031981 and preceding 21031983. In scientific notation, it is written as 2.1031982 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 9909504 positive integers (up to 21031982) that are relatively prime to 21031982.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand nine hundred eighty-two

Notation

Scientific notation 2.1031982 × 10^7
Engineering notation 2.1031982 × 10^6

Prime Factorization of 21031982

Prime Factorization 2 × 2369 × 23 × 193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031982
Product of the distinct prime numbers

The prime factorization of 21031982 is 2 × 2369 × 23 × 193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 6, 3, 210, 28, 7970, 8539, 62740, 95449, 7707, 114166, 9855309, 5241836, 58084734, 24309007, 606739319, 513531656, 6818459531, 2965967999

Basic calculations (n = 21031982)

Multiplication

n×y
n×2 42063964
n×3 63095946
n×4 84127928
n×5 105159910

Division

n÷y
n÷2 10515991
n÷3 7010660.6666667
n÷3 5257995.5
n÷5 4206396.4

Exponentiation

ny
n2 442344266848324
n3 9.3033766581571E+21
n4 1.9566845041358E+29
n5 4.1152953270663E+36

Nth Root

y√n
2√n 4586.0638896553
3√n 276.03240360293
4√n 67.720483530873
5√n 29.145804017098

Divisors of 21031982

1, 2, 23, 46, 193, 386, 2369, 4439, 4738, 8878, 54487, 108974, 457217, 914434, 10515991, 21031982

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 -21031981
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 21031982 can be divided by 16 positive divisors. The sum of these divisors (counting 21031982) is 1, the average is 0.0625.

Base conversion 21031982

Base System Value
2 Binary 1010000001110110000101110
3 Ternary 1110120112110022
4 Quaternary 1100032300232
5 Quinary 20341010412
6 Senary 2030442142
8 Octal 120166056
10 Decimal 21031982
12 Duodecimal 7063352
16 Hexadecimal 140ec2e
20 Vigesimal 6b8jj2
36 Base36 cisdq

Cryptographic Hash Functions

md5 91e2528351ebce3f6a02a46922da9ba4
sha1 b6fff362966ef932be488f48fdb0ddd2a42da67e
sha256 96dc46eec6d6631d5fa72c5e4e10d2b1ca328f8f9d11703aec52a4efecf88c3b
sha512 1cb495982679b69436cac5d6de6cd35f2d9942b60e1b4b91eac4c2f8988e826c47d3ab68a6f6642b97738f57604b621c27da1f1b229e4f12dffcee5669f10054
ripemd-160 d00413616a4c694bb2df71858b0a3bbf16c3ce13

21031982 as geometric shapes

Circle

Radius = n
Diameter 42063964
Circumference 132147840.28327
Area 1.3896654990883E+15

Sphere

Radius = n
Volume 3.8969893017127E+22
Surface area 5.558661996353E+15
Circumference 132147840.28327

Square

Length = n
Perimeter 84127928
Area 442344266848324
Diagonal 29743714.187987

Cube

Length = n
Surface area 2654065601089944
Volume 9.3033766581571E+21
Space diagonal 36428461.407874

Equilateral Triangle

Length = n
Perimeter 63095946
Area 1.9154068615453E+14
Altitude 18214230.703937

Triangular Pyramid

Length = n
Surface area 1.9154068615453E+14
Volume 1.0964134538193E+21
Height 9914571.3959956