20687688 (number)

20687688 is an even 8-digits composite number following 20687687 and preceding 20687689. In scientific notation, it is written as 2.0687688 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors. There are 5910624 positive integers (up to 20687688) that are relatively prime to 20687688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687688 × 10^7
Engineering notation 2.0687688 × 10^6

Prime Factorization of 20687688

Prime Factorization 2 × 2 × 2 × 63 × 41047

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5171922
Product of the distinct prime numbers

The prime factorization of 20687688 is 2 × 2 × 2 × 63 × 41047. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 70, 58, 78, 584, 5597, 9487, 48176, 95218, 233767, 671642, 8483446, 8934252, 19362270, 69998918, 507404218, 484124841, 7688509153, 5145135353

Basic calculations (n = 20687688)

Multiplication

n×y
n×2 41375376
n×3 62063064
n×4 82750752
n×5 103438440

Division

n÷y
n÷2 10343844
n÷3 6895896
n÷3 5171922
n÷5 4137537.6

Exponentiation

ny
n2 427980434785344
n3 8.8539257049435E+21
n4 1.8316725255905E+29
n5 3.7893069727589E+36

Nth Root

y√n
2√n 4548.3720164472
3√n 274.51789028094
4√n 67.44161931958
5√n 29.049749486569

Divisors of 20687688

1, 2, 4, 8, 63, 126, 252, 504, 41047, 82094, 164188, 328376, 2585961, 5171922, 10343844, 20687688

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 -20687687
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 20687688 can be divided by 16 positive divisors. The sum of these divisors (counting 20687688) is 1, the average is 0.0625.

Base conversion 20687688

Base System Value
2 Binary 1001110111010101101001000
3 Ternary 1102221001011200
4 Quaternary 1032322231020
5 Quinary 20244001223
6 Senary 2015224200
8 Octal 116725510
10 Decimal 20687688
12 Duodecimal 6b18060
16 Hexadecimal 13bab48
20 Vigesimal 695j48
36 Base36 cbeq0

Cryptographic Hash Functions

md5 c8fc7452816d2404ed09ef4b3f081161
sha1 8ebb548b338bc8d05dcd59d2b244139690d96998
sha256 44fd4fa949b1df06899b961a12cdb9e97d032ec061fac3eed74950b7d2b275f4
sha512 0c9d82156e23dae5408eb8c7a9431a348253a5e3998235986445efc8ddce2b52730227d98706ef922bde017702d6e0a3b6e5f9e68f70ac4e25ba9015c8e6999b
ripemd-160 4591e19f379781b70d755751d776afde414b4efa

20687688 as geometric shapes

Circle

Radius = n
Diameter 41375376
Circumference 129984577.28112
Area 1.3445401898018E+15

Sphere

Radius = n
Volume 3.7087237266774E+22
Surface area 5.3781607592072E+15
Circumference 129984577.28112

Square

Length = n
Perimeter 82750752
Area 427980434785344
Diagonal 29256808.943743

Cube

Length = n
Surface area 2567882608712064
Volume 8.8539257049435E+21
Space diagonal 35832126.707133

Equilateral Triangle

Length = n
Perimeter 62063064
Area 1.8532096442341E+14
Altitude 17916063.353566

Triangular Pyramid

Length = n
Surface area 1.8532096442341E+14
Volume 1.0434451510146E+21
Height 9752269.6479144