20686887 (number)

20686887 is an odd 8-digits composite number following 20686886 and preceding 20686888. In scientific notation, it is written as 2.0686887 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 12730176 positive integers (up to 20686887) that are relatively prime to 20686887.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand eight hundred eighty-seven

Notation

Scientific notation 2.0686887 × 10^7
Engineering notation 2.0686887 × 10^6

Prime Factorization of 20686887

Prime Factorization 9 × 3 × 13 × 58937

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20686887
Product of the distinct prime numbers

The prime factorization of 20686887 is 9 × 3 × 13 × 58937. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20686887)

Multiplication

n×y
n×2 41373774
n×3 62060661
n×4 82747548
n×5 103434435

Division

n÷y
n÷2 10343443.5
n÷3 6895629
n÷3 5171721.75
n÷5 4137377.4

Exponentiation

ny
n2 427947293750769
n3 8.852897307778E+21
n4 1.8313888622861E+29
n5 3.788573444717E+36

Nth Root

y√n
2√n 4548.2839621114
3√n 274.51434724497
4√n 67.440966497459
5√n 29.049524529486

Divisors of 20686887

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 -20686886
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 20686887 can be divided by 16 positive divisors. The sum of these divisors (counting 20686887) is 1, the average is 0.0625.

Base conversion 20686887

Base System Value
2 Binary 1001110111010100000100111
3 Ternary 1102221000002000
4 Quaternary 1032322200213
5 Quinary 20243440022
6 Senary 2015220343
8 Octal 116724047
10 Decimal 20686887
12 Duodecimal 6b176b3
16 Hexadecimal 13ba827
20 Vigesimal 695h47
36 Base36 cbe3r

Cryptographic Hash Functions

md5 2232a32871c5c6ca250894edd39732ea
sha1 6e9be7b3bfda881961506085a05a5e241706cc1f
sha256 b2466ca6c1601ab17028cae8d856da8a66dcbd22082f3a26312462b4cb582077
sha512 f7edcbbe1c784f0f9c08bbcffb9a96c3bb9080c63ca08701e9544a0ca6606e0a150b86e57c3d380ee40fe7ad7c8c16661d1250f96d0d4e0d4c7d5df5f6231e83
ripemd-160 205457302a2bb6c4b4a90f31f572adcb3bdd53de

20686887 as geometric shapes

Circle

Radius = n
Diameter 41373774
Circumference 129979544.44968
Area 1.344436074171E+15

Sphere

Radius = n
Volume 3.70829295268E+22
Surface area 5.3777442966842E+15
Circumference 129979544.44968

Square

Length = n
Perimeter 82747548
Area 427947293750769
Diagonal 29255676.15868

Cube

Length = n
Surface area 2567683762504614
Volume 8.852897307778E+21
Space diagonal 35830739.334436

Equilateral Triangle

Length = n
Perimeter 62060661
Area 1.8530661393448E+14
Altitude 17915369.667218

Triangular Pyramid

Length = n
Surface area 1.8530661393448E+14
Volume 1.0433239532463E+21
Height 9751892.0528932