21787690 (number)

21787690 is an even 8-digits composite number following 21787689 and preceding 21787691. In scientific notation, it is written as 2.1787690 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 8703184 positive integers (up to 21787690) that are relatively prime to 21787690.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighty-seven thousand six hundred ninety

Notation

Scientific notation 2.1787690 × 10^7
Engineering notation 2.1787690 × 10^6

Prime Factorization of 21787690

Prime Factorization 2 × 5 × 1307 × 1667

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21787690
Product of the distinct prime numbers

The prime factorization of 21787690 is 2 × 5 × 1307 × 1667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 25, 40, 33, 452, 9533, 3755, 3083, 52323, 671145, 148182, 5009089, 7117885, 38448894, 98823028, 210713778, 308836344, 1598036773, 8697714087

Basic calculations (n = 21787690)

Multiplication

n×y
n×2 43575380
n×3 65363070
n×4 87150760
n×5 108938450

Division

n÷y
n÷2 10893845
n÷3 7262563.3333333
n÷3 5446922.5
n÷5 4357538

Exponentiation

ny
n2 474703435536100
n3 1.0342691295396E+22
n4 2.2534335170978E+29
n5 4.9097110906136E+36

Nth Root

y√n
2√n 4667.7285696578
3√n 279.29965278522
4√n 68.320776998347
5√n 29.352306754096

Divisors of 21787690

1, 2, 5, 10, 1307, 1667, 2614, 3334, 6535, 8335, 13070, 16670, 2178769, 4357538, 10893845, 21787690

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 -21787689
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 21787690 can be divided by 16 positive divisors. The sum of these divisors (counting 21787690) is 1, the average is 0.0625.

Base conversion 21787690

Base System Value
2 Binary 1010011000111010000101010
3 Ternary 1111222221002111
4 Quaternary 1103013100222
5 Quinary 21034201230
6 Senary 2054552534
8 Octal 123072052
10 Decimal 21787690
12 Duodecimal 736874a
16 Hexadecimal 14c742a
20 Vigesimal 6g394a
36 Base36 cyzhm

Cryptographic Hash Functions

md5 ccaabf12d8070b5bd7df051f65ce8f98
sha1 a9534a3f03ba4358a7fd962b491ef66b820d9cbe
sha256 24114338d54c725e96be0bdbab81e1e80719ece8a16696d228ec63f0d686e2f2
sha512 d1874c4bef965ec72f50ddfcdce93ba4706100f7c3dd4769cb05941265e194f55137d045333be10c76cf36dc13a630e1b93233be1fee62f34a1958546f3d1a41
ripemd-160 2f5e0dc658c1b062c335174b94a2e0ee765c1c5a

21787690 as geometric shapes

Circle

Radius = n
Diameter 43575380
Circumference 136896093.68538
Area 1.491324825714E+15

Sphere

Radius = n
Volume 4.3323363989282E+22
Surface area 5.9652993028562E+15
Circumference 136896093.68538

Square

Length = n
Perimeter 87150760
Area 474703435536100
Diagonal 30812446.690781

Cube

Length = n
Surface area 2848220613216600
Volume 1.0342691295396E+22
Space diagonal 37737386.05956

Equilateral Triangle

Length = n
Perimeter 65363070
Area 2.0555261721901E+14
Altitude 18868693.02978

Triangular Pyramid

Length = n
Surface area 2.0555261721901E+14
Volume 1.2188978584489E+21
Height 10270815.563594