21001666 (number)

21001666 is an even 8-digits composite number following 21001665 and preceding 21001667. In scientific notation, it is written as 2.1001666 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 8982864 positive integers (up to 21001666) that are relatively prime to 21001666.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1001666 × 10^7
Engineering notation 2.1001666 × 10^6

Prime Factorization of 21001666

Prime Factorization 2 × 7 × 643 × 2333

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21001666
Product of the distinct prime numbers

The prime factorization of 21001666 is 2 × 7 × 643 × 2333. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 67, 57, 570, 813, 4599, 816, 30208, 75351, 288545, 327787, 4162989, 3920801, 149453, 21583988, 635029070, 408269144, 7055783520, 6309113025

Basic calculations (n = 21001666)

Multiplication

n×y
n×2 42003332
n×3 63004998
n×4 84006664
n×5 105008330

Division

n÷y
n÷2 10500833
n÷3 7000555.3333333
n÷3 5250416.5
n÷5 4200333.2

Exponentiation

ny
n2 441069974775556
n3 9.2632042928647E+21
n4 1.9454272264851E+29
n5 4.0857212837946E+36

Nth Root

y√n
2√n 4582.7574668533
3√n 275.8997132669
4√n 67.696066849215
5√n 29.137396877121

Divisors of 21001666

1, 2, 7, 14, 643, 1286, 2333, 4501, 4666, 9002, 16331, 32662, 1500119, 3000238, 10500833, 21001666

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 -21001665
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 21001666 can be divided by 16 positive divisors. The sum of these divisors (counting 21001666) is 1, the average is 0.0625.

Base conversion 21001666

Base System Value
2 Binary 1010000000111010111000010
3 Ternary 1110111222212111
4 Quaternary 1100013113002
5 Quinary 20334023131
6 Senary 2030045534
8 Octal 120072702
10 Decimal 21001666
12 Duodecimal 70498aa
16 Hexadecimal 14075c2
20 Vigesimal 6b5436
36 Base36 ci4zm

Cryptographic Hash Functions

md5 8f238ee3eedbb7b72f73b571d5537257
sha1 68c775d399d63818e49e971b728c7caf6dea3b56
sha256 91cd5260c31d6444f4fa3a5802ce5762cf649019b35d2838ca771541f582b737
sha512 bb2872a763899d1754ad6ce6f16b2adac1d7de2e2bb044c30beb3e22b8465de24e7ad911a4210da611da8244bac1c668acda3fa9f657b3b3a25268ca31166cc5
ripemd-160 d2d7defb7839542e095bf45cb21ca42344c98cdd

21001666 as geometric shapes

Circle

Radius = n
Diameter 42003332
Circumference 131957359.23749
Area 1.3856621924739E+15

Sphere

Radius = n
Volume 3.8801619406887E+22
Surface area 5.5426487698957E+15
Circumference 131957359.23749

Square

Length = n
Perimeter 84006664
Area 441069974775556
Diagonal 29700840.88963

Cube

Length = n
Surface area 2646419848653336
Volume 9.2632042928647E+21
Space diagonal 36375952.555592

Equilateral Triangle

Length = n
Perimeter 63004998
Area 1.909889015011E+14
Altitude 18187976.277796

Triangular Pyramid

Length = n
Surface area 1.909889015011E+14
Volume 1.0916790951668E+21
Height 9900280.2965433