21490826 (number)

21490826 is an even 8-digits composite number following 21490825 and preceding 21490827. In scientific notation, it is written as 2.1490826 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 9195120 positive integers (up to 21490826) that are relatively prime to 21490826.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490826 × 10^7
Engineering notation 2.1490826 × 10^6

Prime Factorization of 21490826

Prime Factorization 2 × 7 × 1549 × 991

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21490826
Product of the distinct prime numbers

The prime factorization of 21490826 is 2 × 7 × 1549 × 991. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 8, 33, 14, 874, 6988, 9618, 10273, 54756, 130574, 505523, 5968203, 7742248, 11041048, 38473935, 934420409, 69795504, 5717957534, 2518953598

Basic calculations (n = 21490826)

Multiplication

n×y
n×2 42981652
n×3 64472478
n×4 85963304
n×5 107454130

Division

n÷y
n÷2 10745413
n÷3 7163608.6666667
n÷3 5372706.5
n÷5 4298165.2

Exponentiation

ny
n2 461855602162276
n3 9.9256583831947E+21
n4 2.1331059724868E+29
n5 4.5842209294274E+36

Nth Root

y√n
2√n 4635.8198843355
3√n 278.02533281905
4√n 68.086855444612
5√n 29.271880370133

Divisors of 21490826

1, 2, 7, 14, 991, 1549, 1982, 3098, 6937, 10843, 13874, 21686, 1535059, 3070118, 10745413, 21490826

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 -21490825
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 21490826 can be divided by 16 positive divisors. The sum of these divisors (counting 21490826) is 1, the average is 0.0625.

Base conversion 21490826

Base System Value
2 Binary 1010001111110110010001010
3 Ternary 1111102211212112
4 Quaternary 1101332302022
5 Quinary 21000201301
6 Senary 2044342322
8 Octal 121766212
10 Decimal 21490826
12 Duodecimal 72449a2
16 Hexadecimal 147ec8a
20 Vigesimal 6e6716
36 Base36 csmfe

Cryptographic Hash Functions

md5 07b47f37b5b3f3e61432aee73b1eb320
sha1 6ffd9f7e849b6634eb0c6fe4cb6d1e92dac2aa13
sha256 0f29dfe39fa639e4871bed08800f83efb06704400e18a988490424c86c155b86
sha512 eb20792b2477a152f22040093477641cf2bde4379914f7dad4dccdf3f3908f0d999bd5d8f57d589cb28f9847be4aa30532a7dc15ef8ac0865a9258b9b0b95eb2
ripemd-160 d4b30d2b8e705446e36d4260831d5140094d4600

21490826 as geometric shapes

Circle

Radius = n
Diameter 42981652
Circumference 135030842.16235
Area 1.4509621667723E+15

Sphere

Radius = n
Volume 4.1576500611582E+22
Surface area 5.8038486670892E+15
Circumference 135030842.16235

Square

Length = n
Perimeter 85963304
Area 461855602162276
Diagonal 30392617.5958

Cube

Length = n
Surface area 2771133612973656
Volume 9.9256583831947E+21
Space diagonal 37223202.528622

Equilateral Triangle

Length = n
Perimeter 64472478
Area 1.9998934217635E+14
Altitude 18611601.264311

Triangular Pyramid

Length = n
Surface area 1.9998934217635E+14
Volume 1.1697500584163E+21
Height 10130872.531933