21031755 (number)

21031755 is an odd 8-digits composite number following 21031754 and preceding 21031756. In scientific notation, it is written as 2.1031755 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11196000 positive integers (up to 21031755) that are relatively prime to 21031755.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred fifty-five

Notation

Scientific notation 2.1031755 × 10^7
Engineering notation 2.1031755 × 10^6

Prime Factorization of 21031755

Prime Factorization 3 × 5 × 751 × 1867

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031755
Product of the distinct prime numbers

The prime factorization of 21031755 is 3 × 5 × 751 × 1867. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 20, 74, 533, 54, 1140, 4911, 93278, 9484, 860383, 608681, 2421207, 6681158, 87403878, 23318818, 294304716, 972266873, 590633659, 7291149581

Basic calculations (n = 21031755)

Multiplication

n×y
n×2 42063510
n×3 63095265
n×4 84127020
n×5 105158775

Division

n÷y
n÷2 10515877.5
n÷3 7010585
n÷3 5257938.75
n÷5 4206351

Exponentiation

ny
n2 442334718380025
n3 9.3030754249627E+21
n4 1.9566000308434E+29
n5 4.115073248169E+36

Nth Root

y√n
2√n 4586.0391406965
3√n 276.03141051883
4√n 67.720300801875
5√n 29.14574110219

Divisors of 21031755

1, 3, 5, 15, 751, 1867, 2253, 3755, 5601, 9335, 11265, 28005, 1402117, 4206351, 7010585, 21031755

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 -21031754
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 21031755 can be divided by 16 positive divisors. The sum of these divisors (counting 21031755) is 1, the average is 0.0625.

Base conversion 21031755

Base System Value
2 Binary 1010000001110101101001011
3 Ternary 1110120112010220
4 Quaternary 1100032231023
5 Quinary 20341004010
6 Senary 2030441123
8 Octal 120165513
10 Decimal 21031755
12 Duodecimal 70631a3
16 Hexadecimal 140eb4b
20 Vigesimal 6b8j7f
36 Base36 cis7f

Cryptographic Hash Functions

md5 fd707f1fd6ecf06f1665c408fe394b51
sha1 05411edf5238000a5a9032640cc1a884b9979ecf
sha256 fd24816faa1d3ae0331db82905827692f742abc0a34fb03a29f151146859e4cd
sha512 85d73f1fe1c04eebb470e2030041456d561819d71caffa35aa87a05478b987c562df81fe72f0a6c1f97d14c9b656c4eefac9f44452c68bf8199cd4ff6593ee17
ripemd-160 bce92c13a82b52648bb12e01c2c554ed290097b2

21031755 as geometric shapes

Circle

Radius = n
Diameter 42063510
Circumference 132146414.0002
Area 1.3896355016904E+15

Sphere

Radius = n
Volume 3.8968631214473E+22
Surface area 5.5585420067616E+15
Circumference 132146414.0002

Square

Length = n
Perimeter 84127020
Area 442334718380025
Diagonal 29743393.161508

Cube

Length = n
Surface area 2654008310280150
Volume 9.3030754249627E+21
Space diagonal 36428068.232341

Equilateral Triangle

Length = n
Perimeter 63095265
Area 1.9153655154647E+14
Altitude 18214034.11617

Triangular Pyramid

Length = n
Surface area 1.9153655154647E+14
Volume 1.0963779531468E+21
Height 9914464.3871694