21493065 (number)

21493065 is an odd 8-digits composite number following 21493064 and preceding 21493066. In scientific notation, it is written as 2.1493065 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10420800 positive integers (up to 21493065) that are relatively prime to 21493065.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand sixty-five

Notation

Scientific notation 2.1493065 × 10^7
Engineering notation 2.1493065 × 10^6

Prime Factorization of 21493065

Prime Factorization 5 × 3 × 11 × 130261

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21493065
Product of the distinct prime numbers

The prime factorization of 21493065 is 5 × 3 × 11 × 130261. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 55, 77, 758, 78, 8721, 4671, 17312, 85759, 8359, 1512, 4376685, 137761, 92344772, 82655454, 47813029, 716364686, 5881002667, 2203418059

Basic calculations (n = 21493065)

Multiplication

n×y
n×2 42986130
n×3 64479195
n×4 85972260
n×5 107465325

Division

n÷y
n÷2 10746532.5
n÷3 7164355
n÷3 5373266.25
n÷5 4298613

Exponentiation

ny
n2 461951843094225
n3 9.928760990494E+21
n4 2.1339950533815E+29
n5 4.5866094392007E+36

Nth Root

y√n
2√n 4636.0613671521
3√n 278.03498774659
4√n 68.088628765397
5√n 29.272490276974

Divisors of 21493065

1, 3, 5, 11, 15, 33, 55, 165, 130261, 390783, 651305, 1432871, 1953915, 4298613, 7164355, 21493065

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 -21493064
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 21493065 can be divided by 16 positive divisors. The sum of these divisors (counting 21493065) is 1, the average is 0.0625.

Base conversion 21493065

Base System Value
2 Binary 1010001111111010101001001
3 Ternary 1111102221221110
4 Quaternary 1101333111021
5 Quinary 21000234230
6 Senary 2044400533
8 Octal 121772511
10 Decimal 21493065
12 Duodecimal 7246149
16 Hexadecimal 147f549
20 Vigesimal 6e6cd5
36 Base36 cso5l

Cryptographic Hash Functions

md5 d70332f32da26c80139666d1da2d73f8
sha1 64de0654942eba1933ce477730e802a9ddfdaa7c
sha256 a4f407c22fcc04572cea8df7bc63a65358c75a68f3e37739c314fb97cbed4559
sha512 bd98049337e61e33d1be41dd4c904a9c1e64c613c9913099ad8317c01303a89745ab5ff821867022c201b33a49361871498cd36199bc753f587790a14b19e379
ripemd-160 ada03a81ff1ac1450f9f334f656375a55d36ddb9

21493065 as geometric shapes

Circle

Radius = n
Diameter 42986130
Circumference 135044910.21426
Area 1.4512645165771E+15

Sphere

Radius = n
Volume 4.1589496782646E+22
Surface area 5.8050580663083E+15
Circumference 135044910.21426

Square

Length = n
Perimeter 85972260
Area 461951843094225
Diagonal 30395784.019966

Cube

Length = n
Surface area 2771711058565350
Volume 9.928760990494E+21
Space diagonal 37227080.59038

Equilateral Triangle

Length = n
Perimeter 64479195
Area 2.0003101572232E+14
Altitude 18613540.29519

Triangular Pyramid

Length = n
Surface area 2.0003101572232E+14
Volume 1.1701157041931E+21
Height 10131928.006655