21308518 (number)

21308518 is an even 8-digits composite number following 21308517 and preceding 21308519. In scientific notation, it is written as 2.1308518 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 8244960 positive integers (up to 21308518) that are relatively prime to 21308518.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eight thousand five hundred eighteen

Notation

Scientific notation 2.1308518 × 10^7
Engineering notation 2.1308518 × 10^6

Prime Factorization of 21308518

Prime Factorization 2 × 7 × 11 × 179 × 773

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21308518
Product of the distinct prime numbers

The prime factorization of 21308518 is 2 × 7 × 11 × 179 × 773. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 7, 40, 90, 603, 15, 1185, 6994, 29174, 69813, 857830, 775375, 9202515, 3572564, 54133741, 68111402, 446568385, 609192241, 1201775631, 5826198454

Basic calculations (n = 21308518)

Multiplication

n×y
n×2 42617036
n×3 63925554
n×4 85234072
n×5 106542590

Division

n÷y
n÷2 10654259
n÷3 7102839.3333333
n÷3 5327129.5
n÷5 4261703.6

Exponentiation

ny
n2 454052939356324
n3 9.6751952312271E+21
n4 2.0616407173812E+29
n5 4.393050833585E+36

Nth Root

y√n
2√n 4616.1150332287
3√n 277.23693057212
4√n 67.941997565782
5√n 29.222047956803

Divisors of 21308518

1, 2, 7, 11, 14, 22, 77, 154, 179, 358, 773, 1253, 1546, 1969, 2506, 3938, 5411, 8503, 10822, 13783, 17006, 27566, 59521, 119042, 138367, 276734, 968569, 1522037, 1937138, 3044074, 10654259, 21308518

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 -21308517
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 21308518 can be divided by 32 positive divisors. The sum of these divisors (counting 21308518) is 1, the average is 0.03125.

Base conversion 21308518

Base System Value
2 Binary 1010001010010010001100110
3 Ternary 1111002120210101
4 Quaternary 1101102101212
5 Quinary 20423333033
6 Senary 2040414314
8 Octal 121222146
10 Decimal 21308518
12 Duodecimal 717739a
16 Hexadecimal 1452466
20 Vigesimal 6d3b5i
36 Base36 copra

Cryptographic Hash Functions

md5 b66bd6bcf336a35a1407632c240bff72
sha1 b3417b1a72c86f09e98e6c2dfdf6e5131efb0cc0
sha256 0adc94f76f5a9522389346d0c74941f8266700c833c1ddfbc98b97f9eb7688b2
sha512 03aa1a4230285bde7b8422a243a88176d1ac2468bd95d76d63c432751dcb863d47aca80b02d7373aaf52825232560b65cdde8a49a8f1307eac1c4be51b52918a
ripemd-160 807c30805873935873fd8d60883454bca3da382b

21308518 as geometric shapes

Circle

Radius = n
Diameter 42617036
Circumference 133885367.21537
Area 1.4264493786227E+15

Sphere

Radius = n
Volume 4.052736301396E+22
Surface area 5.7057975144907E+15
Circumference 133885367.21537

Square

Length = n
Perimeter 85234072
Area 454052939356324
Diagonal 30134795.149671

Cube

Length = n
Surface area 2724317636137944
Volume 9.6751952312271E+21
Space diagonal 36907435.809996

Equilateral Triangle

Length = n
Perimeter 63925554
Area 1.9661069007279E+14
Altitude 18453717.904998

Triangular Pyramid

Length = n
Surface area 1.9661069007279E+14
Volume 1.1402326928841E+21
Height 10044931.716557