21009747 (number)

21009747 is an odd 8-digits composite number following 21009746 and preceding 21009748. In scientific notation, it is written as 2.1009747 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12388320 positive integers (up to 21009747) that are relatively prime to 21009747.

Interesting facts

Basic properties

Name

Name twenty-one million nine thousand seven hundred forty-seven

Notation

Scientific notation 2.1009747 × 10^7
Engineering notation 2.1009747 × 10^6

Prime Factorization of 21009747

Prime Factorization 3 × 37 × 11 × 17207

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21009747
Product of the distinct prime numbers

The prime factorization of 21009747 is 3 × 37 × 11 × 17207. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 35, 71, 435, 292, 7601, 5435, 68751, 63747, 942347, 50272, 6009004, 4768123, 94205480, 74989702, 619233004, 293522723, 9620897939, 6517093803

Basic calculations (n = 21009747)

Multiplication

n×y
n×2 42019494
n×3 63029241
n×4 84038988
n×5 105048735

Division

n÷y
n÷2 10504873.5
n÷3 7003249
n÷3 5252436.75
n÷5 4201949.4

Exponentiation

ny
n2 441409469004009
n3 9.2739012671786E+21
n4 1.948423193264E+29
n5 4.0935878339409E+36

Nth Root

y√n
2√n 4583.6390564703
3√n 275.93509553424
4√n 67.702577915987
5√n 29.139638823761

Divisors of 21009747

1, 3, 11, 33, 37, 111, 407, 1221, 17207, 51621, 189277, 567831, 636659, 1909977, 7003249, 21009747

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 -21009746
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 21009747 can be divided by 16 positive divisors. The sum of these divisors (counting 21009747) is 1, the average is 0.0625.

Base conversion 21009747

Base System Value
2 Binary 1010000001001010101010011
3 Ternary 1110112101221210
4 Quaternary 1100021111103
5 Quinary 20334302442
6 Senary 2030151203
8 Octal 120112523
10 Decimal 21009747
12 Duodecimal 7052503
16 Hexadecimal 1409553
20 Vigesimal 6b6477
36 Base36 cib83

Cryptographic Hash Functions

md5 68ee2fc235d0c977e6bae80f5f7817e9
sha1 cb22afaa9a270a9020673fcc17bc3812fe2a6311
sha256 08b6724500018822d2b0595dcc7caceae90ee425abcb93eac38c2c4b7c2371b7
sha512 96d38c830329bb6731d09aa4cf6b296f3ab2a6214ce3f86f2a4feca6ac50465cdf9e41def0d49643c380cadcbe0c9bee8676d799117def579409ddb73a957c9c
ripemd-160 71ff4f47f3a87925b19e936866404eec90a32dc4

21009747 as geometric shapes

Circle

Radius = n
Diameter 42019494
Circumference 132008133.65796
Area 1.386728745048E+15

Sphere

Radius = n
Volume 3.8846426788114E+22
Surface area 5.5469149801919E+15
Circumference 132008133.65796

Square

Length = n
Perimeter 84038988
Area 441409469004009
Diagonal 29712269.149427

Cube

Length = n
Surface area 2648456814024054
Volume 9.2739012671786E+21
Space diagonal 36389949.258168

Equilateral Triangle

Length = n
Perimeter 63029241
Area 1.9113590681424E+14
Altitude 18194974.629084

Triangular Pyramid

Length = n
Surface area 1.9113590681424E+14
Volume 1.0929397456794E+21
Height 9904089.7164758