21031730 (number)

21031730 is an even 8-digits composite number following 21031729 and preceding 21031731. In scientific notation, it is written as 2.1031730 × 10^7. The sum of its digits is 17. It has a total of 5 prime factors and 32 positive divisors. There are 8068032 positive integers (up to 21031730) that are relatively prime to 21031730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031730 × 10^7
Engineering notation 2.1031730 × 10^6

Prime Factorization of 21031730

Prime Factorization 2 × 5 × 43 × 829 × 59

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21031730
Product of the distinct prime numbers

The prime factorization of 21031730 is 2 × 5 × 43 × 829 × 59. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031730)

Multiplication

n×y
n×2 42063460
n×3 63095190
n×4 84126920
n×5 105158650

Division

n÷y
n÷2 10515865
n÷3 7010576.6666667
n÷3 5257932.5
n÷5 4206346

Exponentiation

ny
n2 442333666792900
n3 9.3030422498982E+21
n4 1.9565907277845E+29
n5 4.1150487907268E+36

Nth Root

y√n
2√n 4586.036415032
3√n 276.0313011479
4√n 67.720280677446
5√n 29.145734173202

Divisors of 21031730

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031729
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031730 can be divided by 32 positive divisors. The sum of these divisors (counting 21031730) is 1, the average is 0.03125.

Base conversion 21031730

Base System Value
2 Binary 1010000001110101100110010
3 Ternary 1110120112002222
4 Quaternary 1100032230302
5 Quinary 20341003410
6 Senary 2030441042
8 Octal 120165462
10 Decimal 21031730
12 Duodecimal 7063182
16 Hexadecimal 140eb32
20 Vigesimal 6b8j6a
36 Base36 cis6q

Cryptographic Hash Functions

md5 985e32fd55edb5275b3212fbc2d0001a
sha1 f9ea0402c39382e70f5f8e01aeaba29722a027fa
sha256 404a2e0b89a355556e9d9f04ecb1d74bd017976dd2579ef495b6801b419ee233
sha512 2bf043eea8a0bb432201b422291372ffe1b1ac835838acfd6b06dd0071b73d1a2379507f3b8fc0a4b9d8a1fe54652f5151a3ec896afa8cf442137c6816478c97
ripemd-160 05f45113e94a569dab8391383f352c03415a66f6

21031730 as geometric shapes

Circle

Radius = n
Diameter 42063460
Circumference 132146256.92057
Area 1.389632198032E+15

Sphere

Radius = n
Volume 3.8968492251088E+22
Surface area 5.558528792128E+15
Circumference 132146256.92057

Square

Length = n
Perimeter 84126920
Area 442333666792900
Diagonal 29743357.806169

Cube

Length = n
Surface area 2654002000757400
Volume 9.3030422498982E+21
Space diagonal 36428024.931071

Equilateral Triangle

Length = n
Perimeter 63095190
Area 1.9153609619589E+14
Altitude 18214012.465535

Triangular Pyramid

Length = n
Surface area 1.9153609619589E+14
Volume 1.096374043428E+21
Height 9914452.6020564