20681690 (number)

20681690 is an even 8-digits composite number following 20681689 and preceding 20681691. In scientific notation, it is written as 2.0681690 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors. There are 7354368 positive integers (up to 20681690) that are relatively prime to 20681690.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681690 × 10^7
Engineering notation 2.0681690 × 10^6

Prime Factorization of 20681690

Prime Factorization 2 × 5 × 19 × 323 × 337

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20681690
Product of the distinct prime numbers

The prime factorization of 20681690 is 2 × 5 × 19 × 323 × 337. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 5, 93, 4, 707, 37, 5701, 9430, 58355, 84304, 115577, 780081, 7209024, 8004730, 7106026, 28945258, 142110933, 187145533, 9235743030, 8124858260

Basic calculations (n = 20681690)

Multiplication

n×y
n×2 41363380
n×3 62045070
n×4 82726760
n×5 103408450

Division

n÷y
n÷2 10340845
n÷3 6893896.6666667
n÷3 5170422.5
n÷5 4136338

Exponentiation

ny
n2 427732301256100
n3 8.8462268575653E+21
n4 1.8295492153784E+29
n5 3.7838169712199E+36

Nth Root

y√n
2√n 4547.7126118522
3√n 274.4913573102
4√n 67.436730435663
5√n 29.048064807179

Divisors of 20681690

1, 2, 5, 10, 19, 38, 95, 190, 323, 337, 646, 674, 1615, 1685, 3230, 3370, 6137, 6403, 12274, 12806, 30685, 32015, 61370, 64030, 108851, 217702, 544255, 1088510, 2068169, 4136338, 10340845, 20681690

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 -20681689
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 20681690 can be divided by 32 positive divisors. The sum of these divisors (counting 20681690) is 1, the average is 0.03125.

Base conversion 20681690

Base System Value
2 Binary 1001110111001001111011010
3 Ternary 1102220201221112
4 Quaternary 1032321033122
5 Quinary 20243303230
6 Senary 2015140322
8 Octal 116711732
10 Decimal 20681690
12 Duodecimal 6b146a2
16 Hexadecimal 13b93da
20 Vigesimal 69544a
36 Base36 cba3e

Cryptographic Hash Functions

md5 9909153001d02a31cef5336ecb8c9e5e
sha1 9459a66f1af2ab5e969217d76d50cdb755db300c
sha256 f2eb84556f1b7565791eabc4864e9e6be72fbbd1a2f6ce096c926841f54cac40
sha512 e071ab930553ef118d71d51d1b1c38d7dda04bdeb591380ee2b76c8334c4282dba265d8fe04fd75d089b130619ba4b3c20e710363b6572831ae78870de25ae48
ripemd-160 469856ccdeab32a7a55e2171ce9d7212793378a9

20681690 as geometric shapes

Circle

Radius = n
Diameter 41363380
Circumference 129946890.73564
Area 1.3437606553292E+15

Sphere

Radius = n
Volume 3.7054988410288E+22
Surface area 5.3750426213169E+15
Circumference 129946890.73564

Square

Length = n
Perimeter 82726760
Area 427732301256100
Diagonal 29248326.490796

Cube

Length = n
Surface area 2566393807536600
Volume 8.8462268575653E+21
Space diagonal 35821737.866389

Equilateral Triangle

Length = n
Perimeter 62045070
Area 1.8521351945348E+14
Altitude 17910868.933195

Triangular Pyramid

Length = n
Surface area 1.8521351945348E+14
Volume 1.0425378331498E+21
Height 9749442.1635987