20081688 (number)

20081688 is an even 8-digits composite number following 20081687 and preceding 20081689. In scientific notation, it is written as 2.0081688 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 64 positive divisors. There are 5644800 positive integers (up to 20081688) that are relatively prime to 20081688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081688 × 10^7
Engineering notation 2.0081688 × 10^6

Prime Factorization of 20081688

Prime Factorization 2 × 2 × 2 × 129 × 11 × 29 × 61

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5020422
Product of the distinct prime numbers

The prime factorization of 20081688 is 2 × 2 × 2 × 129 × 11 × 29 × 61. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 2, 82, 76, 452, 944, 6253, 9009, 54720, 91417, 18368, 505114, 2394789, 4184894, 93196799, 44985003, 749164099, 855096767, 223340976, 4496546067

Basic calculations (n = 20081688)

Multiplication

n×y
n×2 40163376
n×3 60245064
n×4 80326752
n×5 100408440

Division

n÷y
n÷2 10040844
n÷3 6693896
n÷3 5020422
n÷5 4016337.6

Exponentiation

ny
n2 403274192929344
n3 8.0984265208589E+21
n4 1.6263007468281E+29
n5 3.265886419197E+36

Nth Root

y√n
2√n 4481.2596443411
3√n 271.81081856638
4√n 66.942211229844
5√n 28.877529958089

Divisors of 20081688

1, 2, 4, 8, 11, 22, 29, 44, 58, 61, 88, 116, 122, 129, 232, 244, 258, 319, 488, 516, 638, 671, 1032, 1276, 1342, 1419, 1769, 2552, 2684, 2838, 3538, 3741, 5368, 5676, 7076, 7482, 7869, 11352, 14152, 14964, 15738, 19459, 29928, 31476, 38918, 41151, 62952, 77836, 82302, 86559, 155672, 164604, 173118, 228201, 329208, 346236, 456402, 692472, 912804, 1825608, 2510211, 5020422, 10040844, 20081688

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20081687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081688 can be divided by 64 positive divisors. The sum of these divisors (counting 20081688) is 1, the average is 0.015625.

Base conversion 20081688

Base System Value
2 Binary 1001100100110110000011000
3 Ternary 1101210020220020
4 Quaternary 1030212300120
5 Quinary 20120103223
6 Senary 1554230440
8 Octal 114466030
10 Decimal 20081688
12 Duodecimal 6885420
16 Hexadecimal 1326c18
20 Vigesimal 65a448
36 Base36 byf4o

Cryptographic Hash Functions

md5 479a4c1e6e2c4ecd1f3eaffd68596acd
sha1 70f6dc7fdfb15bf4299d1f8de4c19720f2c640a6
sha256 f88d8e9e0c27d5301ebe6814520eb8d50772775d3b0d53235cacf456076a1210
sha512 a9faac200389de418bcbdc1568aebf7b8ee5d5311111f47b05950ebfece1cdc51cf87d35e3562361b8ebea06e53654664937e9e3f8fde0f4d00d440995f9f3a1
ripemd-160 375a2412930add1fcf98b19943f4cb3cc1dda57e

20081688 as geometric shapes

Circle

Radius = n
Diameter 40163376
Circumference 126176966.98496
Area 1.2669232418892E+15

Sphere

Radius = n
Volume 3.3922609684756E+22
Surface area 5.0676929675567E+15
Circumference 126176966.98496

Square

Length = n
Perimeter 80326752
Area 403274192929344
Diagonal 28399795.524945

Cube

Length = n
Surface area 2419645157576064
Volume 8.0984265208589E+21
Space diagonal 34782503.917746

Equilateral Triangle

Length = n
Perimeter 60245064
Area 1.7462284788374E+14
Altitude 17391251.958873

Triangular Pyramid

Length = n
Surface area 1.7462284788374E+14
Volume 9.5440871830672E+20
Height 9466598.508315