21493485 (number)

21493485 is an odd 8-digits composite number following 21493484 and preceding 21493486. In scientific notation, it is written as 2.1493485 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 10264320 positive integers (up to 21493485) that are relatively prime to 21493485.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493485 × 10^7
Engineering notation 2.1493485 × 10^6

Prime Factorization of 21493485

Prime Factorization 5 × 333 × 3 × 13 × 331

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21493485
Product of the distinct prime numbers

The prime factorization of 21493485 is 5 × 333 × 3 × 13 × 331. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 88, 47, 442, 277, 5333, 7263, 97195, 83161, 874624, 124730, 2810029, 1650597, 30250070, 9520326, 282854262, 8290385, 3423936535, 9705002500

Basic calculations (n = 21493485)

Multiplication

n×y
n×2 42986970
n×3 64480455
n×4 85973940
n×5 107467425

Division

n÷y
n÷2 10746742.5
n÷3 7164495
n÷3 5373371.25
n÷5 4298697

Exponentiation

ny
n2 461969897445225
n3 9.9293430611905E+21
n4 2.1341618614555E+29
n5 4.5870575956766E+36

Nth Root

y√n
2√n 4636.1066640016
3√n 278.03679877935
4√n 68.088961396115
5√n 29.272604679921

Divisors of 21493485

1, 3, 5, 13, 15, 39, 65, 195, 331, 333, 993, 999, 1655, 1665, 4303, 4329, 4965, 4995, 12909, 12987, 21515, 21645, 64545, 64935, 110223, 330669, 551115, 1432899, 1653345, 4298697, 7164495, 21493485

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 -21493484
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 21493485 can be divided by 32 positive divisors. The sum of these divisors (counting 21493485) is 1, the average is 0.03125.

Base conversion 21493485

Base System Value
2 Binary 1010001111111011011101101
3 Ternary 1111102222112000
4 Quaternary 1101333123231
5 Quinary 21000242420
6 Senary 2044402513
8 Octal 121773355
10 Decimal 21493485
12 Duodecimal 7246439
16 Hexadecimal 147f6ed
20 Vigesimal 6e6de5
36 Base36 csoh9

Cryptographic Hash Functions

md5 b51d87d64b63c14ad1111e10e39e309f
sha1 b19776791813fb20697984b3ef694caf28dbd1bb
sha256 8c80ca4f512c41cee20a8ef61b1a8312093ff6dc72628fd0dd3bd0395c98a9fc
sha512 1df69a2dc192ac655739e2a89741fec5b7aa42d750d1f04100e6dbbec574f873f4af53215b36ecfee3fb84b69514f8905af8fd070b1d8ddbe6b943044992e2f7
ripemd-160 c8cfda8f6813596ede4473b27e0278396806b8ec

21493485 as geometric shapes

Circle

Radius = n
Diameter 42986970
Circumference 135047549.15208
Area 1.4513212359935E+15

Sphere

Radius = n
Volume 4.1591934954678E+22
Surface area 5.8052849439742E+15
Circumference 135047549.15208

Square

Length = n
Perimeter 85973940
Area 461969897445225
Diagonal 30396377.989663

Cube

Length = n
Surface area 2771819384671350
Volume 9.9293430611905E+21
Space diagonal 37227808.05172

Equilateral Triangle

Length = n
Perimeter 64480455
Area 2.0003883348563E+14
Altitude 18613904.02586

Triangular Pyramid

Length = n
Surface area 2.0003883348563E+14
Volume 1.1701843018826E+21
Height 10132125.996554