21356786 (number)

21356786 is an even 8-digits composite number following 21356785 and preceding 21356787. In scientific notation, it is written as 2.1356786 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 9562080 positive integers (up to 21356786) that are relatively prime to 21356786.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-six thousand seven hundred eighty-six

Notation

Scientific notation 2.1356786 × 10^7
Engineering notation 2.1356786 × 10^6

Prime Factorization of 21356786

Prime Factorization 2 × 11 × 67 × 14489

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21356786
Product of the distinct prime numbers

The prime factorization of 21356786 is 2 × 11 × 67 × 14489. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 23, 16, 945, 875, 90, 9823, 97378, 58426, 559700, 839522, 8311948, 9271960, 53267585, 67931380, 478431553, 663545785, 6739525261, 1763847631

Basic calculations (n = 21356786)

Multiplication

n×y
n×2 42713572
n×3 64070358
n×4 85427144
n×5 106783930

Division

n÷y
n÷2 10678393
n÷3 7118928.6666667
n÷3 5339196.5
n÷5 4271357.2

Exponentiation

ny
n2 456112308249796
n3 9.7410929592569E+21
n4 2.0803843773696E+29
n5 4.4430323945225E+36

Nth Root

y√n
2√n 4621.3402817797
3√n 277.44610483783
4√n 67.980440435317
5√n 29.235274719264

Divisors of 21356786

1, 2, 11, 22, 67, 134, 737, 1474, 14489, 28978, 159379, 318758, 970763, 1941526, 10678393, 21356786

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 -21356785
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 21356786 can be divided by 16 positive divisors. The sum of these divisors (counting 21356786) is 1, the average is 0.0625.

Base conversion 21356786

Base System Value
2 Binary 1010001011110000011110010
3 Ternary 1111012001000002
4 Quaternary 1101132003302
5 Quinary 20431404121
6 Senary 2041430002
8 Octal 121360362
10 Decimal 21356786
12 Duodecimal 719b302
16 Hexadecimal 145e0f2
20 Vigesimal 6d9bj6
36 Base36 cpr02

Cryptographic Hash Functions

md5 5657f7f2b7449e324e7a47f6bf5b521d
sha1 5c4a8d952e530b59a84ed2f403675fb3dd9313fe
sha256 f9b530f6b21b1c3f94134f607745e4aa8fa4c14d8b730e6bb1f80757f6f63a9b
sha512 8153232417c05d490ae67467be6af6819845c7396498e3761f86995367512551c32f79225cd4956e6834d4f8530cf42604779b7c486bf48ca95505197f29feeb
ripemd-160 ec774ee48d6b22453468c943c3ff398b7d673c31

21356786 as geometric shapes

Circle

Radius = n
Diameter 42713572
Circumference 134188644.00378
Area 1.4329190768094E+15

Sphere

Radius = n
Volume 4.0803394771649E+22
Surface area 5.7316763072378E+15
Circumference 134188644.00378

Square

Length = n
Perimeter 85427144
Area 456112308249796
Diagonal 30203056.4099

Cube

Length = n
Surface area 2736673849498776
Volume 9.7410929592569E+21
Space diagonal 36991038.438376

Equilateral Triangle

Length = n
Perimeter 64070358
Area 1.9750242296154E+14
Altitude 18495519.219188

Triangular Pyramid

Length = n
Surface area 1.9750242296154E+14
Volume 1.1479988146099E+21
Height 10067685.469967