20997687 (number)

20997687 is an odd 8-digits composite number following 20997686 and preceding 20997688. In scientific notation, it is written as 2.0997687 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 13608192 positive integers (up to 20997687) that are relatively prime to 20997687.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-seven thousand six hundred eighty-seven

Notation

Scientific notation 2.0997687 × 10^7
Engineering notation 2.0997687 × 10^6

Prime Factorization of 20997687

Prime Factorization 3 × 59 × 97 × 1223

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20997687
Product of the distinct prime numbers

The prime factorization of 20997687 is 3 × 59 × 97 × 1223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 71, 14, 48, 161, 4916, 3869, 29756, 59828, 446494, 990528, 6178542, 8618584, 50050343, 4387226, 682193917, 93445291, 3052406201, 7950406002

Basic calculations (n = 20997687)

Multiplication

n×y
n×2 41995374
n×3 62993061
n×4 83990748
n×5 104988435

Division

n÷y
n÷2 10498843.5
n÷3 6999229
n÷3 5249421.75
n÷5 4199537.4

Exponentiation

ny
n2 440902859349969
n3 9.2579402380357E+21
n4 1.9439533138298E+29
n5 4.0818523226411E+36

Nth Root

y√n
2√n 4582.3233190162
3√n 275.88228807316
4√n 67.692860177542
5√n 29.136292712437

Divisors of 20997687

1, 3, 59, 97, 177, 291, 1223, 3669, 5723, 17169, 72157, 118631, 216471, 355893, 6999229, 20997687

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 -20997686
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 20997687 can be divided by 16 positive divisors. The sum of these divisors (counting 20997687) is 1, the average is 0.0625.

Base conversion 20997687

Base System Value
2 Binary 1010000000110011000110111
3 Ternary 1110111210102010
4 Quaternary 1100012120313
5 Quinary 20333411222
6 Senary 2030015303
8 Octal 120063067
10 Decimal 20997687
12 Duodecimal 7047533
16 Hexadecimal 1406637
20 Vigesimal 6b4e47
36 Base36 ci1x3

Cryptographic Hash Functions

md5 b274ee81783699ae75ae1cf63fb4e9f0
sha1 7c713bb4b5e0762d3d2c64740546c7211a80d99e
sha256 94167134c760f80b99f661d3b228c6897848e6b47f9dc709d50b2e0727577e54
sha512 707d7163ae43d5aa9c13935efbc29075dc0e8eb481748370aeff0fcf203953782836b7e47b1a744b4a02632c4d7ef53520179636f03372e21ca53bb237ce1f5e
ripemd-160 201830c22467a3e14acb78112ad8bba52cedb2c2

20997687 as geometric shapes

Circle

Radius = n
Diameter 41995374
Circumference 131932358.44316
Area 1.3851371838806E+15

Sphere

Radius = n
Volume 3.8779569385582E+22
Surface area 5.5405487355224E+15
Circumference 131932358.44316

Square

Length = n
Perimeter 83990748
Area 440902859349969
Diagonal 29695213.733865

Cube

Length = n
Surface area 2645417156099814
Volume 9.2579402380357E+21
Space diagonal 36369060.725429

Equilateral Triangle

Length = n
Perimeter 62993061
Area 1.9091653839914E+14
Altitude 18184530.362714

Triangular Pyramid

Length = n
Surface area 1.9091653839914E+14
Volume 1.0910587203558E+21
Height 9898404.5779551