21001812 (number)

21001812 is an even 8-digits composite number following 21001811 and preceding 21001813. In scientific notation, it is written as 2.1001812 × 10^7. The sum of its digits is 15. It has a total of 6 prime factors and 48 positive divisors. There are 6353280 positive integers (up to 21001812) that are relatively prime to 21001812.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand eight hundred twelve

Notation

Scientific notation 2.1001812 × 10^7
Engineering notation 2.1001812 × 10^6

Prime Factorization of 21001812

Prime Factorization 2 × 2 × 13 × 3 × 61 × 2207

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10500906
Product of the distinct prime numbers

The prime factorization of 21001812 is 2 × 2 × 13 × 3 × 61 × 2207. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 10, 93, 8, 324, 715, 1637, 4691, 28563, 64383, 675058, 149063, 7823213, 929267, 62036157, 20638041, 544261206, 409228689, 3640387550, 9649111723

Basic calculations (n = 21001812)

Multiplication

n×y
n×2 42003624
n×3 63005436
n×4 84007248
n×5 105009060

Division

n÷y
n÷2 10500906
n÷3 7000604
n÷3 5250453
n÷5 4200362.4

Exponentiation

ny
n2 441076107283344
n3 9.2633974828566E+21
n4 1.9454813241623E+29
n5 4.0858633019567E+36

Nth Root

y√n
2√n 4582.7733960998
3√n 275.90035260133
4√n 67.696184501786
5√n 29.137437388651

Divisors of 21001812

1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2207, 2379, 3172, 4414, 4758, 6621, 8828, 9516, 13242, 26484, 28691, 57382, 86073, 114764, 134627, 172146, 269254, 344292, 403881, 538508, 807762, 1615524, 1750151, 3500302, 5250453, 7000604, 10500906, 21001812

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21001811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21001812 can be divided by 48 positive divisors. The sum of these divisors (counting 21001812) is 1, the average is 0.020833333333333.

Base conversion 21001812

Base System Value
2 Binary 1010000000111011001010100
3 Ternary 1110112000001220
4 Quaternary 1100013121110
5 Quinary 20334024222
6 Senary 2030050340
8 Octal 120073124
10 Decimal 21001812
12 Duodecimal 70499b0
16 Hexadecimal 1407654
20 Vigesimal 6b54ac
36 Base36 ci53o

Cryptographic Hash Functions

md5 00c595cea732ca846e96aa9cc3219c29
sha1 dfd740a5da2998fe7261c6140b37c390735c8d17
sha256 65e57845d0130c290d23d57ac8a684830a37546d2d697bff532c0c0dc4d7f651
sha512 2b40c60e94054031f7998ed9e3947ab1cee577f3ad47c9396943427cfd20827e04e68f66eb0be40e0c5f40b2f8426f0adf76770576d110fa143f6afeadd78c76
ripemd-160 8bc57b13a0c70d263f80e5d219f4e3b9dd3645cb

21001812 as geometric shapes

Circle

Radius = n
Diameter 42003624
Circumference 131958276.58255
Area 1.3856814583153E+15

Sphere

Radius = n
Volume 3.8802428639233E+22
Surface area 5.5427258332613E+15
Circumference 131958276.58255

Square

Length = n
Perimeter 84007248
Area 441076107283344
Diagonal 29701047.36481

Cube

Length = n
Surface area 2646456643700064
Volume 9.2633974828566E+21
Space diagonal 36376205.43501

Equilateral Triangle

Length = n
Perimeter 63005436
Area 1.9099155695486E+14
Altitude 18188102.717505

Triangular Pyramid

Length = n
Surface area 1.9099155695486E+14
Volume 1.0917018628257E+21
Height 9900349.1216033