20991660 (number)

20991660 is an even 8-digits composite number following 20991659 and preceding 20991661. In scientific notation, it is written as 2.0991660 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 48 positive divisors. There are 5572800 positive integers (up to 20991660) that are relatively prime to 20991660.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-one thousand six hundred sixty

Notation

Scientific notation 2.0991660 × 10^7
Engineering notation 2.0991660 × 10^6

Prime Factorization of 20991660

Prime Factorization 2 × 2 × 5 × 3 × 271 × 1291

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10495830
Product of the distinct prime numbers

The prime factorization of 20991660 is 2 × 2 × 5 × 3 × 271 × 1291. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 10, 11, 18, 683, 905, 4222, 1113, 99902, 74973, 511251, 560201, 7163193, 4495454, 31952606, 10025362, 929098634, 955375906, 2166953138, 6507498585

Basic calculations (n = 20991660)

Multiplication

n×y
n×2 41983320
n×3 62974980
n×4 83966640
n×5 104958300

Division

n÷y
n÷2 10495830
n÷3 6997220
n÷3 5247915
n÷5 4198332

Exponentiation

ny
n2 440649789555600
n3 9.2499705614227E+21
n4 1.9417223703539E+29
n5 4.0759975812864E+36

Nth Root

y√n
2√n 4581.6656359887
3√n 275.85588990111
4√n 67.688002156872
5√n 29.13461991294

Divisors of 20991660

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 1084, 1291, 1355, 1626, 2582, 2710, 3252, 3873, 4065, 5164, 5420, 6455, 7746, 8130, 12910, 15492, 16260, 19365, 25820, 38730, 77460, 349861, 699722, 1049583, 1399444, 1749305, 2099166, 3498610, 4198332, 5247915, 6997220, 10495830, 20991660

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20991659
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20991660 can be divided by 48 positive divisors. The sum of these divisors (counting 20991660) is 1, the average is 0.020833333333333.

Base conversion 20991660

Base System Value
2 Binary 1010000000100111010101100
3 Ternary 1110111111010220
4 Quaternary 1100010322230
5 Quinary 20333213120
6 Senary 2025531340
8 Octal 120047254
10 Decimal 20991660
12 Duodecimal 7043b50
16 Hexadecimal 1404eac
20 Vigesimal 6b3j30
36 Base36 chx9o

Cryptographic Hash Functions

md5 667fd58b2a96a347d62af535eccb307a
sha1 d0c438644eebac259300eb702360f3f5ba0a31cf
sha256 77abc755fb3fc13a35384c78c1376a6cdbc49606e4f3030e875ca8dfd5d2f558
sha512 c1e3d824b97ca01110a0bd6613952efeb58988552f05c3b0d28deeb475f3603e565259a52b38dd9c690f15956f00304912924c5cb6a6e6fa288a0b62107e8518
ripemd-160 8eee9f7b860517386bc86113ffe12609b442bdf5

20991660 as geometric shapes

Circle

Radius = n
Diameter 41983320
Circumference 131894489.68531
Area 1.3843421416738E+15

Sphere

Radius = n
Volume 3.874618608225E+22
Surface area 5.537368566695E+15
Circumference 131894489.68531

Square

Length = n
Perimeter 83966640
Area 440649789555600
Diagonal 29686690.268725

Cube

Length = n
Surface area 2643898737333600
Volume 9.2499705614227E+21
Space diagonal 36358621.655211

Equilateral Triangle

Length = n
Perimeter 62974980
Area 1.9080695596371E+14
Altitude 18179310.827606

Triangular Pyramid

Length = n
Surface area 1.9080695596371E+14
Volume 1.0901194849597E+21
Height 9895563.4229083