20561688 (number)

20561688 is an even 8-digits composite number following 20561687 and preceding 20561689. In scientific notation, it is written as 2.0561688 × 10^7. The sum of its digits is 36. It has a total of 8 prime factors and 80 positive divisors. There are 5870880 positive integers (up to 20561688) that are relatively prime to 20561688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0561688 × 10^7
Engineering notation 2.0561688 × 10^6

Prime Factorization of 20561688

Prime Factorization 2 × 2 × 2 × 21 × 3 × 3 × 9 × 1511

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1713474
Product of the distinct prime numbers

The prime factorization of 20561688 is 2 × 2 × 2 × 21 × 3 × 3 × 9 × 1511. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 4, 35, 83, 133, 84, 7893, 6509, 4052, 28116, 258768, 16421, 8696985, 5135353, 74802020, 40245799, 832097897, 815439635, 6991398390, 6101285512

Basic calculations (n = 20561688)

Multiplication

n×y
n×2 41123376
n×3 61685064
n×4 82246752
n×5 102808440

Division

n÷y
n÷2 10280844
n÷3 6853896
n÷3 5140422
n÷5 4112337.6

Exponentiation

ny
n2 422783013409344
n3 8.6931324134227E+21
n4 1.7874547642749E+29
n5 3.6753087177133E+36

Nth Root

y√n
2√n 4534.4997519021
3√n 273.95943065321
4√n 67.338694313909
5√n 29.014277002419

Divisors of 20561688

1, 2, 3, 4, 6, 8, 9, 12, 18, 21, 24, 27, 36, 42, 54, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1511, 1512, 1701, 2268, 3022, 3402, 4533, 4536, 6044, 6804, 9066, 12088, 13599, 13608, 18132, 27198, 31731, 36264, 40797, 54396, 63462, 81594, 95193, 108792, 122391, 126924, 163188, 190386, 244782, 253848, 285579, 326376, 380772, 489564, 571158, 761544, 856737, 979128, 1142316, 1713474, 2284632, 2570211, 3426948, 5140422, 6853896, 10280844, 20561688

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20561687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20561688 can be divided by 80 positive divisors. The sum of these divisors (counting 20561688) is 1, the average is 0.0125.

Base conversion 20561688

Base System Value
2 Binary 1001110011011111100011000
3 Ternary 1102200122100000
4 Quaternary 1032123330120
5 Quinary 20230433223
6 Senary 2012413000
8 Octal 116337430
10 Decimal 20561688
12 Duodecimal 6a77160
16 Hexadecimal 139bf18
20 Vigesimal 68a448
36 Base36 c8pi0

Cryptographic Hash Functions

md5 3a6b45d8e81832ddf299b07b41716e15
sha1 cf3e44f86f20c9adfe5ce81ffe589866c0080e26
sha256 85e0a2990d055036165f6baed2f76f4c774e6051390a20e743a5b8f713a2a0d9
sha512 c5b59f81a9e7b41279f6a3070df3a434f5db34da7d8db0de792ab3fcb8240360646418f9aacd26dadd3aea12e8c669caf348e9c5b7f9fd99e29186c35c8c46a6
ripemd-160 d4e90c4f306e7405f4b07a475f290bc35029662b

20561688 as geometric shapes

Circle

Radius = n
Diameter 41123376
Circumference 129192895.93241
Area 1.3282120089894E+15

Sphere

Radius = n
Volume 3.6413707902256E+22
Surface area 5.3128480359574E+15
Circumference 129192895.93241

Square

Length = n
Perimeter 82246752
Area 422783013409344
Diagonal 29078618.034884

Cube

Length = n
Surface area 2536698080456064
Volume 8.6931324134227E+21
Space diagonal 35613888.305379

Equilateral Triangle

Length = n
Perimeter 61685064
Area 1.8307041495051E+14
Altitude 17806944.15269

Triangular Pyramid

Length = n
Surface area 1.8307041495051E+14
Volume 1.0244954798806E+21
Height 9692872.6782947