21031790 (number)

21031790 is an even 8-digits composite number following 21031789 and preceding 21031791. In scientific notation, it is written as 2.1031790 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 7765536 positive integers (up to 21031790) that are relatively prime to 21031790.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred ninety

Notation

Scientific notation 2.1031790 × 10^7
Engineering notation 2.1031790 × 10^6

Prime Factorization of 21031790

Prime Factorization 2 × 5 × 13 × 161783

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031790
Product of the distinct prime numbers

The prime factorization of 21031790 is 2 × 5 × 13 × 161783. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 6, 52, 259, 174, 7830, 884, 19052, 9693, 190931, 635540, 3684658, 9185529, 9952349, 54588631, 994177357, 163066282, 8624415785, 1323850926

Basic calculations (n = 21031790)

Multiplication

n×y
n×2 42063580
n×3 63095370
n×4 84127160
n×5 105158950

Division

n÷y
n÷2 10515895
n÷3 7010596.6666667
n÷3 5257947.5
n÷5 4206358

Exponentiation

ny
n2 442336190604100
n3 9.3031218701854E+21
n4 1.9566130551815E+29
n5 4.1151074887835E+36

Nth Root

y√n
2√n 4586.0429566239
3√n 276.03156363799
4√n 67.720328976046
5√n 29.145750802762

Divisors of 21031790

1, 2, 5, 10, 13, 26, 65, 130, 161783, 323566, 808915, 1617830, 2103179, 4206358, 10515895, 21031790

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 -21031789
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 21031790 can be divided by 16 positive divisors. The sum of these divisors (counting 21031790) is 1, the average is 0.0625.

Base conversion 21031790

Base System Value
2 Binary 1010000001110101101101110
3 Ternary 1110120112012012
4 Quaternary 1100032231232
5 Quinary 20341004130
6 Senary 2030441222
8 Octal 120165556
10 Decimal 21031790
12 Duodecimal 7063212
16 Hexadecimal 140eb6e
20 Vigesimal 6b8j9a
36 Base36 cis8e

Cryptographic Hash Functions

md5 7ed5972bb8db8413af6186c6e7dc5fcc
sha1 87b8fc53bf71ee7f91a17a6c5f30a3037026aabc
sha256 a03e49543f0ac448eab581df9a553c49c2fb50cc5aced7ac94d9b807fc537754
sha512 980e88aee151a3355bcad21b82df8087b1b185f9a78c22c83c9b996b45c406444821c9bab68986d6655992b640f115ad087a2e402ef6e7c22f18ecee1644eba5
ripemd-160 3ebefd6045d118e329cd38ac3dfe012120aeee71

21031790 as geometric shapes

Circle

Radius = n
Diameter 42063580
Circumference 132146633.91169
Area 1.3896401268187E+15

Sphere

Radius = n
Volume 3.8968825763767E+22
Surface area 5.5585605072749E+15
Circumference 132146633.91169

Square

Length = n
Perimeter 84127160
Area 442336190604100
Diagonal 29743442.658983

Cube

Length = n
Surface area 2654017143624600
Volume 9.3031218701854E+21
Space diagonal 36428128.854119

Equilateral Triangle

Length = n
Perimeter 63095370
Area 1.9153718903819E+14
Altitude 18214064.42706

Triangular Pyramid

Length = n
Surface area 1.9153718903819E+14
Volume 1.0963834267688E+21
Height 9914480.8863276