21493486 (number)

21493486 is an even 8-digits composite number following 21493485 and preceding 21493487. In scientific notation, it is written as 2.1493486 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 9211488 positive integers (up to 21493486) that are relatively prime to 21493486.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493486 × 10^7
Engineering notation 2.1493486 × 10^6

Prime Factorization of 21493486

Prime Factorization 2 × 7 × 1535249

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21493486
Product of the distinct prime numbers

The prime factorization of 21493486 is 2 × 7 × 1535249. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493486)

Multiplication

n×y
n×2 42986972
n×3 64480458
n×4 85973944
n×5 107467430

Division

n÷y
n÷2 10746743
n÷3 7164495.3333333
n÷3 5373371.5
n÷5 4298697.2

Exponentiation

ny
n2 461969940432196
n3 9.9293444471002E+21
n4 2.1341622586293E+29
n5 4.5870586627577E+36

Nth Root

y√n
2√n 4636.1067718507
3√n 278.0368030913
4√n 68.088962188087
5√n 29.272604952307

Divisors of 21493486

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493485
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493486 can be divided by 8 positive divisors. The sum of these divisors (counting 21493486) is 1, the average is 0.125.

Base conversion 21493486

Base System Value
2 Binary 1010001111111011011101110
3 Ternary 1111102222112001
4 Quaternary 1101333123232
5 Quinary 21000242421
6 Senary 2044402514
8 Octal 121773356
10 Decimal 21493486
12 Duodecimal 724643a
16 Hexadecimal 147f6ee
20 Vigesimal 6e6de6
36 Base36 csoha

Cryptographic Hash Functions

md5 5eb5221aa92f0eff085df20acf1ed711
sha1 f9d2b9728cd61a184548ca1602963c1366d441d0
sha256 e4f9475250feb2226f2283d217df1c47e45ee520c49e8256f080031ceb119a78
sha512 468fcf2b623ad16254e04681335b092f8f8959063b383448dc856e767f8fb9025510a7674c7566fe91b68b0ba9def857f082716e3fdb3a494cd02b075a87a512
ripemd-160 e12d203cd5de26c719cfa61c9c62fefc692879d4

21493486 as geometric shapes

Circle

Radius = n
Diameter 42986972
Circumference 135047555.43527
Area 1.4513213710411E+15

Sphere

Radius = n
Volume 4.1591940759964E+22
Surface area 5.8052854841644E+15
Circumference 135047555.43527

Square

Length = n
Perimeter 85973944
Area 461969940432196
Diagonal 30396379.403876

Cube

Length = n
Surface area 2771819642593176
Volume 9.9293444471002E+21
Space diagonal 37227809.78377

Equilateral Triangle

Length = n
Perimeter 64480458
Area 2.0003885209953E+14
Altitude 18613904.891885

Triangular Pyramid

Length = n
Surface area 2.0003885209953E+14
Volume 1.1701844652136E+21
Height 10132126.467959