20688638 (number)

20688638 is an even 8-digits composite number following 20688637 and preceding 20688639. In scientific notation, it is written as 2.0688638 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors. There are 9504000 positive integers (up to 20688638) that are relatively prime to 20688638.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0688638 × 10^7
Engineering notation 2.0688638 × 10^6

Prime Factorization of 20688638

Prime Factorization 2 × 23 × 101 × 61 × 73

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20688638
Product of the distinct prime numbers

The prime factorization of 20688638 is 2 × 23 × 101 × 61 × 73. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 72, 97, 191, 600, 6450, 7043, 17989, 16998, 514806, 575915, 3429312, 5806553, 68712371, 74544567, 583192624, 411970083, 4582839686, 824986361

Basic calculations (n = 20688638)

Multiplication

n×y
n×2 41377276
n×3 62065914
n×4 82754552
n×5 103443190

Division

n÷y
n÷2 10344319
n÷3 6896212.6666667
n÷3 5172159.5
n÷5 4137727.6

Exponentiation

ny
n2 428019742295044
n3 8.8551455051955E+21
n4 1.8320089979432E+29
n5 3.7901770971189E+36

Nth Root

y√n
2√n 4548.4764482187
3√n 274.52209226497
4√n 67.442393553452
5√n 29.050016280568

Divisors of 20688638

1, 2, 23, 46, 61, 73, 101, 122, 146, 202, 1403, 1679, 2323, 2806, 3358, 4453, 4646, 6161, 7373, 8906, 12322, 14746, 102419, 141703, 169579, 204838, 283406, 339158, 449753, 899506, 10344319, 20688638

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 -20688637
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 20688638 can be divided by 32 positive divisors. The sum of these divisors (counting 20688638) is 1, the average is 0.03125.

Base conversion 20688638

Base System Value
2 Binary 1001110111010111011111110
3 Ternary 1102221002110212
4 Quaternary 1032322323332
5 Quinary 20244014023
6 Senary 2015232422
8 Octal 116727376
10 Decimal 20688638
12 Duodecimal 6b18712
16 Hexadecimal 13baefe
20 Vigesimal 6961bi
36 Base36 cbfge

Cryptographic Hash Functions

md5 b655bbc02d71ffd2c80251fde9d40908
sha1 4d6a561e115b5949d1e5668836148e35a7af22b7
sha256 ea38e4fbd0c7daab148c130022c9f7943c2f2923f1b33d523aee899d8a4db4a0
sha512 0897a845be9afe4cd1058fa504489e4e0533262ee4cdd5414f82fbc5e41b27cfb6a0f8c5a2c13e162d4bcf97b1e4c462baf03bb9ef2317c3556add2baee79a85
ripemd-160 170eb3c3c6302187e46ad80b1b4ae68e280454f0

20688638 as geometric shapes

Circle

Radius = n
Diameter 41377276
Circumference 129990546.30716
Area 1.3446636779855E+15

Sphere

Radius = n
Volume 3.7092346754121E+22
Surface area 5.378654711942E+15
Circumference 129990546.30716

Square

Length = n
Perimeter 82754552
Area 428019742295044
Diagonal 29258152.446627

Cube

Length = n
Surface area 2568118453770264
Volume 8.8551455051955E+21
Space diagonal 35833772.1554

Equilateral Triangle

Length = n
Perimeter 62065914
Area 1.8533798507439E+14
Altitude 17916886.0777

Triangular Pyramid

Length = n
Surface area 1.8533798507439E+14
Volume 1.0435889058529E+21
Height 9752717.4822091