20656988 (number)

20656988 is an even 8-digits composite number following 20656987 and preceding 20656989. In scientific notation, it is written as 2.0656988 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 9353600 positive integers (up to 20656988) that are relatively prime to 20656988.

Interesting facts

Basic properties

Name

Name twenty million six hundred fifty-six thousand nine hundred eighty-eight

Notation

Scientific notation 2.0656988 × 10^7
Engineering notation 2.0656988 × 10^6

Prime Factorization of 20656988

Prime Factorization 2 × 2 × 11 × 317 × 1481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10328494
Product of the distinct prime numbers

The prime factorization of 20656988 is 2 × 2 × 11 × 317 × 1481. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 4, 59, 14, 575, 916, 1286, 3448, 40731, 82746, 112528, 898120, 8246763, 8820261, 33667852, 2303261, 304537866, 715767250, 5304666629, 9456984694

Basic calculations (n = 20656988)

Multiplication

n×y
n×2 41313976
n×3 61970964
n×4 82627952
n×5 103284940

Division

n÷y
n÷2 10328494
n÷3 6885662.6666667
n÷3 5164247
n÷5 4131397.6

Exponentiation

ny
n2 426711153232144
n3 8.8145671717826E+21
n4 1.8208240829271E+29
n5 3.7612741231135E+36

Nth Root

y√n
2√n 4544.9959295911
3√n 274.38203054475
4√n 67.416584974256
5√n 29.0411225471

Divisors of 20656988

1, 2, 4, 11, 22, 44, 317, 634, 1268, 1481, 2962, 3487, 5924, 6974, 13948, 16291, 32582, 65164, 469477, 938954, 1877908, 5164247, 10328494, 20656988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20656987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20656988 can be divided by 24 positive divisors. The sum of these divisors (counting 20656988) is 1, the average is 0.041666666666667.

Base conversion 20656988

Base System Value
2 Binary 1001110110011001101011100
3 Ternary 1102212111001122
4 Quaternary 1032303031130
5 Quinary 20242010423
6 Senary 2014430112
8 Octal 116631534
10 Decimal 20656988
12 Duodecimal 6b02338
16 Hexadecimal 13b335c
20 Vigesimal 692298
36 Base36 car18

Cryptographic Hash Functions

md5 349d10830c71ef3a321cfa72bcf32260
sha1 5a3c94dd0d7d8b54a1b08effeba1a2a9ff9a2916
sha256 96bbdff8c35ff385ab6718b1e39d935a64df2824a11b9f244561c68cdc2ef453
sha512 dccad73379b7ff3e1d86eb44b83ccee61be127df29e6641489b443f2cfa9aa1d4af5f4a441f3e9a8403587b4c0dad9ec43222bb2db641f4ee86a064a6b877492
ripemd-160 f0c999ba6a03f2b75a915f5a3d336150d3e57be9

20656988 as geometric shapes

Circle

Radius = n
Diameter 41313976
Circumference 129791683.49219
Area 1.3405526241989E+15

Sphere

Radius = n
Volume 3.6922372628594E+22
Surface area 5.3622104967957E+15
Circumference 129791683.49219

Square

Length = n
Perimeter 82627952
Area 426711153232144
Diagonal 29213392.587378

Cube

Length = n
Surface area 2560266919392864
Volume 8.8145671717826E+21
Space diagonal 35778952.747341

Equilateral Triangle

Length = n
Perimeter 61970964
Area 1.847713493886E+14
Altitude 17889476.37367

Triangular Pyramid

Length = n
Surface area 1.847713493886E+14
Volume 1.0388067033986E+21
Height 9737797.5291261