21091490 (number)

21091490 is an even 8-digits composite number following 21091489 and preceding 21091491. In scientific notation, it is written as 2.1091490 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 32 positive divisors. There are 7202880 positive integers (up to 21091490) that are relatively prime to 21091490.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand four hundred ninety

Notation

Scientific notation 2.1091490 × 10^7
Engineering notation 2.1091490 × 10^6

Prime Factorization of 21091490

Prime Factorization 2 × 5 × 7 × 367 × 821

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21091490
Product of the distinct prime numbers

The prime factorization of 21091490 is 2 × 5 × 7 × 367 × 821. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 8, 68, 18, 526, 736, 3017, 4963, 31721, 9956, 770347, 857652, 107084, 5770780, 31961400, 56020905, 492723299, 700207806, 6341878715, 3034588391

Basic calculations (n = 21091490)

Multiplication

n×y
n×2 42182980
n×3 63274470
n×4 84365960
n×5 105457450

Division

n÷y
n÷2 10545745
n÷3 7030496.6666667
n÷3 5272872.5
n÷5 4218298

Exponentiation

ny
n2 444850950420100
n3 9.382569372276E+21
n4 1.9789236808967E+29
n5 4.1738449026395E+36

Nth Root

y√n
2√n 4592.5472234916
3√n 276.292494299
4√n 67.768334961777
5√n 29.162278440606

Divisors of 21091490

1, 2, 5, 7, 10, 14, 35, 70, 367, 734, 821, 1642, 1835, 2569, 3670, 4105, 5138, 5747, 8210, 11494, 12845, 25690, 28735, 57470, 301307, 602614, 1506535, 2109149, 3013070, 4218298, 10545745, 21091490

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091490 can be divided by 32 positive divisors. The sum of these divisors (counting 21091490) is 1, the average is 0.03125.

Base conversion 21091490

Base System Value
2 Binary 1010000011101010010100010
3 Ternary 1110200120002022
4 Quaternary 1100131102202
5 Quinary 20344411430
6 Senary 2032021442
8 Octal 120352242
10 Decimal 21091490
12 Duodecimal 7091882
16 Hexadecimal 141d4a2
20 Vigesimal 6bg8ea
36 Base36 ck2aq

Cryptographic Hash Functions

md5 60474afa8b9a5bab759d2397d759c1b9
sha1 e2895156210c821334bf62e694b8ff90f8a2a269
sha256 564c10ba375429a03212f7aec6587a237dbe4cf9f6c3e0ef6952103d3ddfc3c1
sha512 e30cf3d37ce97a0d32b041f8d4e8c22769f57cb9fae8203a45b176fc80a5d35349b7deb27047192c6cdc066034401db221b00f4b7438b29d7a32f2a1427138c4
ripemd-160 d8b9a0427d70b3cefd23ded36ae62436c9b99922

21091490 as geometric shapes

Circle

Radius = n
Diameter 42182980
Circumference 132521740.07453
Area 1.3975404777822E+15

Sphere

Radius = n
Volume 3.9301614682319E+22
Surface area 5.5901619111289E+15
Circumference 132521740.07453

Square

Length = n
Perimeter 84365960
Area 444850950420100
Diagonal 29827871.208657

Cube

Length = n
Surface area 2669105702520600
Volume 9.382569372276E+21
Space diagonal 36531532.287331

Equilateral Triangle

Length = n
Perimeter 63274470
Area 1.9262611198073E+14
Altitude 18265766.143665

Triangular Pyramid

Length = n
Surface area 1.9262611198073E+14
Volume 1.1057464046816E+21
Height 9942623.7362188