21031910 (number)

21031910 is an even 8-digits composite number following 21031909 and preceding 21031911. In scientific notation, it is written as 2.1031910 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 8185248 positive integers (up to 21031910) that are relatively prime to 21031910.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand nine hundred ten

Notation

Scientific notation 2.1031910 × 10^7
Engineering notation 2.1031910 × 10^6

Prime Factorization of 21031910

Prime Factorization 2 × 185 × 56843

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031910
Product of the distinct prime numbers

The prime factorization of 21031910 is 2 × 185 × 56843. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031910)

Multiplication

n×y
n×2 42063820
n×3 63095730
n×4 84127640
n×5 105159550

Division

n÷y
n÷2 10515955
n÷3 7010636.6666667
n÷3 5257977.5
n÷5 4206382

Exponentiation

ny
n2 442341238248100
n3 9.3032811121226E+21
n4 1.9566577105486E+29
n5 4.1152248869065E+36

Nth Root

y√n
2√n 4586.0560397797
3√n 276.03208861668
4√n 67.720425572937
5√n 29.145784061767

Divisors of 21031910

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 -21031909
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 21031910 can be divided by 8 positive divisors. The sum of these divisors (counting 21031910) is 1, the average is 0.125.

Base conversion 21031910

Base System Value
2 Binary 1010000001110101111100110
3 Ternary 1110120112100122
4 Quaternary 1100032233212
5 Quinary 20341010120
6 Senary 2030441542
8 Octal 120165746
10 Decimal 21031910
12 Duodecimal 70632b2
16 Hexadecimal 140ebe6
20 Vigesimal 6b8jfa
36 Base36 cisbq

Cryptographic Hash Functions

md5 5b5f9767e08484bd0dc8fae503f9b310
sha1 6087c36c8374b9dc7144d92fa97b3debba2254e4
sha256 3995b78e8633dcb1c39973b0ab676da3e1b0a39543a8a6c37e20855e7d8a46e3
sha512 ca0335809c4a93853772b0d8098fca8f6e4d37b720e544017dac25e762ae5c18252bfd389dcc3548b28463d5fcb69f0f40beb951648a0845a072fd2d73fb7805
ripemd-160 ef8ce9b7fb0c4ef9726b2b96c01e8f19dcd052c5

21031910 as geometric shapes

Circle

Radius = n
Diameter 42063820
Circumference 132147387.89392
Area 1.38965598446E+15

Sphere

Radius = n
Volume 3.8969492794833E+22
Surface area 5.5586239378402E+15
Circumference 132147387.89392

Square

Length = n
Perimeter 84127640
Area 442341238248100
Diagonal 29743612.36461

Cube

Length = n
Surface area 2654047429488600
Volume 9.3032811121226E+21
Space diagonal 36428336.700216

Equilateral Triangle

Length = n
Perimeter 63095730
Area 1.9153937473216E+14
Altitude 18214168.350108

Triangular Pyramid

Length = n
Surface area 1.9153937473216E+14
Volume 1.0964021936111E+21
Height 9914537.4548701