20688840 (number)

20688840 is an even 8-digits composite number following 20688839 and preceding 20688841. In scientific notation, it is written as 2.0688840 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors. There are 5452800 positive integers (up to 20688840) that are relatively prime to 20688840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0688840 × 10^7
Engineering notation 2.0688840 × 10^6

Prime Factorization of 20688840

Prime Factorization 2 × 2 × 2 × 45 × 101 × 569

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5172210
Product of the distinct prime numbers

The prime factorization of 20688840 is 2 × 2 × 2 × 45 × 101 × 569. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 4, 54, 70, 930, 718, 9498, 9016, 16920, 40263, 935015, 237975, 2068791, 25984, 99540859, 98785785, 530361345, 989882800, 4363125498, 3124486267

Basic calculations (n = 20688840)

Multiplication

n×y
n×2 41377680
n×3 62066520
n×4 82755360
n×5 103444200

Division

n÷y
n÷2 10344420
n÷3 6896280
n÷3 5172210
n÷5 4137768

Exponentiation

ny
n2 428028100545600
n3 8.8554048876918E+21
n4 1.8320805485667E+29
n5 3.790362133641E+36

Nth Root

y√n
2√n 4548.498653402
3√n 274.52298572288
4√n 67.442558176585
5√n 29.050073008134

Divisors of 20688840

1, 2, 4, 8, 45, 90, 101, 180, 202, 360, 404, 569, 808, 1138, 2276, 4545, 4552, 9090, 18180, 25605, 36360, 51210, 57469, 102420, 114938, 204840, 229876, 459752, 2586105, 5172210, 10344420, 20688840

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 -20688839
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 20688840 can be divided by 32 positive divisors. The sum of these divisors (counting 20688840) is 1, the average is 0.03125.

Base conversion 20688840

Base System Value
2 Binary 1001110111010111111001000
3 Ternary 1102221002202100
4 Quaternary 1032322333020
5 Quinary 20244020330
6 Senary 2015233400
8 Octal 116727710
10 Decimal 20688840
12 Duodecimal 6b18860
16 Hexadecimal 13bafc8
20 Vigesimal 696220
36 Base36 cbfm0

Cryptographic Hash Functions

md5 91e41acfde891280363bfe83670c1b7d
sha1 f41add70a1c8a8af8c0fe11c67c828d1ad2b4ccf
sha256 54d4bb339cf5501323093959f2c6668eec9579ea6c9ce26d1e25e680f1eb6893
sha512 6144485f543dc3595183767fbf0b3a366b6392015762d90e28fccd3c0cd56d18068cac759c1a5c58d37d35eb83d3f6f2b41bd146626da766be7d9fcbd711c6fd
ripemd-160 ac80d593f703d098726ada0ec85bc14066324690

20688840 as geometric shapes

Circle

Radius = n
Diameter 41377680
Circumference 129991815.51059
Area 1.3446899362041E+15

Sphere

Radius = n
Volume 3.7093433252981E+22
Surface area 5.3787597448162E+15
Circumference 129991815.51059

Square

Length = n
Perimeter 82755360
Area 428028100545600
Diagonal 29258438.117767

Cube

Length = n
Surface area 2568168603273600
Volume 8.8554048876918E+21
Space diagonal 35834122.029663

Equilateral Triangle

Length = n
Perimeter 62066520
Area 1.8534160430304E+14
Altitude 17917061.014832

Triangular Pyramid

Length = n
Surface area 1.8534160430304E+14
Volume 1.0436194743732E+21
Height 9752812.7059223