20998730 (number)

20998730 is an even 8-digits composite number following 20998729 and preceding 20998731. In scientific notation, it is written as 2.0998730 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 8338512 positive integers (up to 20998730) that are relatively prime to 20998730.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-eight thousand seven hundred thirty

Notation

Scientific notation 2.0998730 × 10^7
Engineering notation 2.0998730 × 10^6

Prime Factorization of 20998730

Prime Factorization 2 × 5 × 139 × 15107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20998730
Product of the distinct prime numbers

The prime factorization of 20998730 is 2 × 5 × 139 × 15107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 96, 71, 833, 667, 1357, 1962, 22419, 82931, 683401, 412658, 7873038, 7327160, 40541796, 80986460, 429802245, 576081224, 2370841777, 2580715966

Basic calculations (n = 20998730)

Multiplication

n×y
n×2 41997460
n×3 62996190
n×4 83994920
n×5 104993650

Division

n÷y
n÷2 10499365
n÷3 6999576.6666667
n÷3 5249682.5
n÷5 4199746

Exponentiation

ny
n2 440946661612900
n3 9.2593198916107E+21
n4 1.9443395838756E+29
n5 4.0828661950116E+36

Nth Root

y√n
2√n 4582.4371245005
3√n 275.88685588519
4√n 67.693700774152
5√n 29.136582159075

Divisors of 20998730

1, 2, 5, 10, 139, 278, 695, 1390, 15107, 30214, 75535, 151070, 2099873, 4199746, 10499365, 20998730

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 -20998729
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 20998730 can be divided by 16 positive divisors. The sum of these divisors (counting 20998730) is 1, the average is 0.0625.

Base conversion 20998730

Base System Value
2 Binary 1010000000110101001001010
3 Ternary 1110111211211202
4 Quaternary 1100012221022
5 Quinary 20333424410
6 Senary 2030024202
8 Octal 120065112
10 Decimal 20998730
12 Duodecimal 7048062
16 Hexadecimal 1406a4a
20 Vigesimal 6b4gga
36 Base36 ci2q2

Cryptographic Hash Functions

md5 29074edc6b4f37a2d31bc214e2e9349f
sha1 8d2e2009980b3e08fb90d9ece308a2cd2c871326
sha256 e4d15c6905ad700cec857cfa3b73dcd03315181ea5560fd90ead2186102afd4c
sha512 61204548e56e5896bd99bb220da6a15473ad041ddf204f387d239759e26e27ddce4d7b6f6eafa41a0f6b49a0dfe4a46721f2239f7bccde2e355709abe931abb4
ripemd-160 e912b23254429841a032af40c3aa53c4d5b3e23b

20998730 as geometric shapes

Circle

Radius = n
Diameter 41997460
Circumference 131938911.80543
Area 1.385274792748E+15

Sphere

Radius = n
Volume 3.8785348464962E+22
Surface area 5.5410991709921E+15
Circumference 131938911.80543

Square

Length = n
Perimeter 83994920
Area 440946661612900
Diagonal 29696688.758611

Cube

Length = n
Surface area 2645679969677400
Volume 9.2593198916107E+21
Space diagonal 36370867.254421

Equilateral Triangle

Length = n
Perimeter 62996190
Area 1.9093550533536E+14
Altitude 18185433.62721

Triangular Pyramid

Length = n
Surface area 1.9093550533536E+14
Volume 1.0912213140889E+21
Height 9898896.2528703