21031665 (number)

21031665 is an odd 8-digits composite number following 21031664 and preceding 21031666. In scientific notation, it is written as 2.1031665 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11062656 positive integers (up to 21031665) that are relatively prime to 21031665.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand six hundred sixty-five

Notation

Scientific notation 2.1031665 × 10^7
Engineering notation 2.1031665 × 10^6

Prime Factorization of 21031665

Prime Factorization 3 × 5 × 73 × 19207

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031665
Product of the distinct prime numbers

The prime factorization of 21031665 is 3 × 5 × 73 × 19207. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 8, 30, 10, 255, 9669, 7521, 75610, 5071, 54492, 910586, 5285124, 1440777, 51585293, 67566426, 518393261, 555275120, 9104442591, 1797474199

Basic calculations (n = 21031665)

Multiplication

n×y
n×2 42063330
n×3 63094995
n×4 84126660
n×5 105158325

Division

n÷y
n÷2 10515832.5
n÷3 7010555
n÷3 5257916.25
n÷5 4206333

Exponentiation

ny
n2 442330932672225
n3 9.3029559950998E+21
n4 1.9565665399868E+29
n5 4.1149852019212E+36

Nth Root

y√n
2√n 4586.029328297
3√n 276.03101678307
4√n 67.720228353845
5√n 29.145716157803

Divisors of 21031665

1, 3, 5, 15, 73, 219, 365, 1095, 19207, 57621, 96035, 288105, 1402111, 4206333, 7010555, 21031665

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 -21031664
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 21031665 can be divided by 16 positive divisors. The sum of these divisors (counting 21031665) is 1, the average is 0.0625.

Base conversion 21031665

Base System Value
2 Binary 1010000001110101011110001
3 Ternary 1110120112000120
4 Quaternary 1100032223301
5 Quinary 20341003130
6 Senary 2030440453
8 Octal 120165361
10 Decimal 21031665
12 Duodecimal 7063129
16 Hexadecimal 140eaf1
20 Vigesimal 6b8j35
36 Base36 cis4x

Cryptographic Hash Functions

md5 9c7c9e94e47093663b210c173fa8adf7
sha1 829a2c6b397bb3acbcc39fce0490233a0ca1db21
sha256 9e6b5717b785f854c7f6c7c78a2d0bd44d4d32f99e89a2a25f03809d6a89c1f2
sha512 a346bd7f899d549d9ce1ccc209e53f96fc32be980f4917e1c7b86a62bda60ef9d3b518efca3508c4ec9afcc64ac84442acd3460520b7f54aebb829ebd1ee2927
ripemd-160 8895f8bf1ff0d53dd46b5678b38112af4daf6042

21031665 as geometric shapes

Circle

Radius = n
Diameter 42063330
Circumference 132145848.51352
Area 1.3896236085386E+15

Sphere

Radius = n
Volume 3.8968130947833E+22
Surface area 5.5584944341543E+15
Circumference 132145848.51352

Square

Length = n
Perimeter 84126660
Area 442330932672225
Diagonal 29743265.882288

Cube

Length = n
Surface area 2653985596033350
Volume 9.3029559950998E+21
Space diagonal 36427912.347768

Equilateral Triangle

Length = n
Perimeter 63094995
Area 1.9153491228691E+14
Altitude 18213956.173884

Triangular Pyramid

Length = n
Surface area 1.9153491228691E+14
Volume 1.0963638782025E+21
Height 9914421.9607625