21006972 (number)

21006972 is an even 8-digits composite number following 21006971 and preceding 21006973. In scientific notation, it is written as 2.1006972 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 5832000 positive integers (up to 21006972) that are relatively prime to 21006972.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand nine hundred seventy-two

Notation

Scientific notation 2.1006972 × 10^7
Engineering notation 2.1006972 × 10^6

Prime Factorization of 21006972

Prime Factorization 2 × 2 × 63 × 3 × 37 × 751

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10503486
Product of the distinct prime numbers

The prime factorization of 21006972 is 2 × 2 × 63 × 3 × 37 × 751. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 6, 68, 2, 574, 127, 8815, 974, 95033, 12554, 92131, 114715, 9685239, 3597834, 78301029, 13507278, 888651439, 694179820, 7990835777, 7686165467

Basic calculations (n = 21006972)

Multiplication

n×y
n×2 42013944
n×3 63020916
n×4 84027888
n×5 105034860

Division

n÷y
n÷2 10503486
n÷3 7002324
n÷3 5251743
n÷5 4201394.4

Exponentiation

ny
n2 441292872608784
n3 9.2702270186923E+21
n4 1.9473939941531E+29
n5 4.0908851108143E+36

Nth Root

y√n
2√n 4583.336339393
3√n 275.92294635407
4√n 67.700342239851
5√n 29.138869021342

Divisors of 21006972

1, 2, 3, 4, 6, 12, 37, 63, 74, 111, 126, 148, 189, 222, 252, 378, 444, 751, 756, 1502, 2253, 2331, 3004, 4506, 4662, 6993, 9012, 9324, 13986, 27787, 27972, 47313, 55574, 83361, 94626, 111148, 141939, 166722, 189252, 283878, 333444, 567756, 1750581, 3501162, 5251743, 7002324, 10503486, 21006972

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 -21006971
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 21006972 can be divided by 48 positive divisors. The sum of these divisors (counting 21006972) is 1, the average is 0.020833333333333.

Base conversion 21006972

Base System Value
2 Binary 1010000001000101001111100
3 Ternary 1110112021011000
4 Quaternary 1100020221330
5 Quinary 20334210342
6 Senary 2030130300
8 Octal 120105174
10 Decimal 21006972
12 Duodecimal 7050990
16 Hexadecimal 1408a7c
20 Vigesimal 6b5h8c
36 Base36 ci930

Cryptographic Hash Functions

md5 8ce23292162419972818087ba3c80049
sha1 ae8bbb05a64361c54ded9ad588f01db0f5984f3b
sha256 1856cef2b2281fbb889bfd159171d4341faae06294a82020ce87531eef5de8ef
sha512 7479c16e222ce04bebc24a6bcbbe07144a4f7f90386410bfafb5129406ef652f393494cc54ca89d8dbbf2b427d28927a6cef61858fa924a00b417f370ca214c8
ripemd-160 fa7d28e4cd0b0174ce8fe652d167d82e5bebf31d

21006972 as geometric shapes

Circle

Radius = n
Diameter 42013944
Circumference 131990697.81873
Area 1.3863624466693E+15

Sphere

Radius = n
Volume 3.8831036132044E+22
Surface area 5.5454497866772E+15
Circumference 131990697.81873

Square

Length = n
Perimeter 84027888
Area 441292872608784
Diagonal 29708344.706792

Cube

Length = n
Surface area 2647757235652704
Volume 9.2702270186923E+21
Space diagonal 36385142.817177

Equilateral Triangle

Length = n
Perimeter 63020916
Area 1.9108541909411E+14
Altitude 18192571.408588

Triangular Pyramid

Length = n
Surface area 1.9108541909411E+14
Volume 1.0925067313427E+21
Height 9902781.5689306