20681788 (number)

20681788 is an even 8-digits composite number following 20681787 and preceding 20681789. In scientific notation, it is written as 2.0681788 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 10307232 positive integers (up to 20681788) that are relatively prime to 20681788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681788 × 10^7
Engineering notation 2.0681788 × 10^6

Prime Factorization of 20681788

Prime Factorization 2 × 2 × 313 × 16519

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10340894
Product of the distinct prime numbers

The prime factorization of 20681788 is 2 × 2 × 313 × 16519. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 82, 16, 618, 623, 5831, 6683, 99434, 18809, 421524, 144766, 4651934, 521375, 88256816, 88710452, 550688767, 514829222, 6634353293, 9547252885

Basic calculations (n = 20681788)

Multiplication

n×y
n×2 41363576
n×3 62045364
n×4 82727152
n×5 103408940

Division

n÷y
n÷2 10340894
n÷3 6893929.3333333
n÷3 5170447
n÷5 4136357.6

Exponentiation

ny
n2 427736354876944
n3 8.8463526114577E+21
n4 1.8295838928341E+29
n5 3.7839066199811E+36

Nth Root

y√n
2√n 4547.7233864869
3√n 274.49179086778
4√n 67.436810322604
5√n 29.048092335925

Divisors of 20681788

1, 2, 4, 313, 626, 1252, 16519, 33038, 66076, 5170447, 10340894, 20681788

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681788 can be divided by 12 positive divisors. The sum of these divisors (counting 20681788) is 1, the average is 0.083333333333333.

Base conversion 20681788

Base System Value
2 Binary 1001110111001010000111100
3 Ternary 1102220202002011
4 Quaternary 1032321100330
5 Quinary 20243304123
6 Senary 2015141004
8 Octal 116712074
10 Decimal 20681788
12 Duodecimal 6b14764
16 Hexadecimal 13b943c
20 Vigesimal 695498
36 Base36 cba64

Cryptographic Hash Functions

md5 4a6d21bdd592ef4bdd776eb1e25161b3
sha1 5fda62e2cc6de880829786708f982fa5149024fa
sha256 2e1346dafd1837dd0afb8b3110a05bd93e855a8745e9928ac454a9444ecca0d5
sha512 8cd1006268da0ddc62492a09eadc1e06c0c2cbb6bfa8d2e214a5417db0f7a8af34daba9d8311960224e70177c8c642238c95b86054db0930a62862f868cea7f1
ripemd-160 caabb22aff4885bb79f6260acb826a3544850f50

20681788 as geometric shapes

Circle

Radius = n
Diameter 41363576
Circumference 129947506.4878
Area 1.3437733901547E+15

Sphere

Radius = n
Volume 3.7055515166961E+22
Surface area 5.3750935606187E+15
Circumference 129947506.4878

Square

Length = n
Perimeter 82727152
Area 427736354876944
Diagonal 29248465.083725

Cube

Length = n
Surface area 2566418129261664
Volume 8.8463526114577E+21
Space diagonal 35821907.607368

Equilateral Triangle

Length = n
Perimeter 62045364
Area 1.8521527472279E+14
Altitude 17910953.803684

Triangular Pyramid

Length = n
Surface area 1.8521527472279E+14
Volume 1.0425526533882E+21
Height 9749488.3612417