20681920 (number)

20681920 is an even 8-digits composite number following 20681919 and preceding 20681921. In scientific notation, it is written as 2.0681920 × 10^7. The sum of its digits is 28. It has a total of 10 prime factors and 84 positive divisors. There are 7085568 positive integers (up to 20681920) that are relatively prime to 20681920.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681920 × 10^7
Engineering notation 2.0681920 × 10^6

Prime Factorization of 20681920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 1319

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 92330
Product of the distinct prime numbers

The prime factorization of 20681920 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 1319. Since it has a total of 10 prime factors.

Most popular turbo-numbers

1, 7, 8, 32, 955, 884, 4114, 5568, 99566, 12505, 203011, 120069, 6587753, 6899637, 9554177, 32380106, 544013384, 264883920, 6131076279, 2975248185

Basic calculations (n = 20681920)

Multiplication

n×y
n×2 41363840
n×3 62045760
n×4 82727680
n×5 103409600

Division

n÷y
n÷2 10340960
n÷3 6893973.3333333
n÷3 5170480
n÷5 4136384

Exponentiation

ny
n2 427741814886400
n3 8.8465219961353E+21
n4 1.8296306020231E+29
n5 3.7840273740594E+36

Nth Root

y√n
2√n 4547.7378992198
3√n 274.49237484113
4√n 67.436917924975
5√n 29.048129415295

Divisors of 20681920

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1319, 1568, 1960, 2240, 2638, 3136, 3920, 5276, 6595, 7840, 9233, 10552, 13190, 15680, 18466, 21104, 26380, 36932, 42208, 46165, 52760, 64631, 73864, 84416, 92330, 105520, 129262, 147728, 184660, 211040, 258524, 295456, 323155, 369320, 422080, 517048, 590912, 646310, 738640, 1034096, 1292620, 1477280, 2068192, 2585240, 2954560, 4136384, 5170480, 10340960, 20681920

84 divisors

τ Total Divisors 84
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.011904761904762
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 84
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681920 can be divided by 84 positive divisors. The sum of these divisors (counting 20681920) is 1, the average is 0.011904761904762.

Base conversion 20681920

Base System Value
2 Binary 1001110111001010011000000
3 Ternary 1102220202021001
4 Quaternary 1032321103000
5 Quinary 20243310140
6 Senary 2015141344
8 Octal 116712300
10 Decimal 20681920
12 Duodecimal 6b14854
16 Hexadecimal 13b94c0
20 Vigesimal 6954g0
36 Base36 cba9s

Cryptographic Hash Functions

md5 76184c2cca4b5f473b788b6d68ab5095
sha1 9751d4cb78ff60bf58dc5434aec921d190e0c312
sha256 6757195727f84e8926768bcdaf2dd0f8c631db1ff9e64030062750bcfe17640a
sha512 a778d57f4efaa3705c2939ddbc2940427a0aa6ff349bb82d878806c9c52a119c56d85e3db598393c35fc2f2c30c3b75c3021c41d41c26d7cb0ce2e2c435ece21
ripemd-160 d5f36605edc9b0bd1e986b123730001a12b1b636

20681920 as geometric shapes

Circle

Radius = n
Diameter 41363840
Circumference 129948335.86826
Area 1.3437905432803E+15

Sphere

Radius = n
Volume 3.7056224683839E+22
Surface area 5.3751621731211E+15
Circumference 129948335.86826

Square

Length = n
Perimeter 82727680
Area 427741814886400
Diagonal 29248651.759915

Cube

Length = n
Surface area 2566450889318400
Volume 8.8465219961353E+21
Space diagonal 35822136.238075

Equilateral Triangle

Length = n
Perimeter 62045760
Area 1.8521763897624E+14
Altitude 17911068.119037

Triangular Pyramid

Length = n
Surface area 1.8521763897624E+14
Volume 1.0425726155639E+21
Height 9749550.5866385