20956986 (number)

20956986 is an even 8-digits composite number following 20956985 and preceding 20956987. In scientific notation, it is written as 2.0956986 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 6704640 positive integers (up to 20956986) that are relatively prime to 20956986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0956986 × 10^7
Engineering notation 2.0956986 × 10^6

Prime Factorization of 20956986

Prime Factorization 2 × 9 × 73 × 41 × 389

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20956986
Product of the distinct prime numbers

The prime factorization of 20956986 is 2 × 9 × 73 × 41 × 389. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 10, 39, 99, 338, 395, 9102, 3498, 80094, 77162, 655041, 362337, 5652188, 8251634, 54086789, 10281146, 617272593, 816807333, 3609737757, 143406494

Basic calculations (n = 20956986)

Multiplication

n×y
n×2 41913972
n×3 62870958
n×4 83827944
n×5 104784930

Division

n÷y
n÷2 10478493
n÷3 6985662
n÷3 5239246.5
n÷5 4191397.2

Exponentiation

ny
n2 439195262204196
n3 9.2042089612797E+21
n4 1.9289247834261E+29
n5 4.0424449681314E+36

Nth Root

y√n
2√n 4577.8800770662
3√n 275.70392004792
4√n 67.660033085022
5√n 29.124988640891

Divisors of 20956986

1, 2, 9, 18, 41, 73, 82, 146, 369, 389, 657, 738, 778, 1314, 2993, 3501, 5986, 7002, 15949, 26937, 28397, 31898, 53874, 56794, 143541, 255573, 287082, 511146, 1164277, 2328554, 10478493, 20956986

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20956985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20956986 can be divided by 32 positive divisors. The sum of these divisors (counting 20956986) is 1, the average is 0.03125.

Base conversion 20956986

Base System Value
2 Binary 1001111111100011100111010
3 Ternary 1110102201120200
4 Quaternary 1033330130322
5 Quinary 20331110421
6 Senary 2025103030
8 Octal 117743472
10 Decimal 20956986
12 Duodecimal 7027a76
16 Hexadecimal 13fc73a
20 Vigesimal 6ajc96
36 Base36 ch6ii

Cryptographic Hash Functions

md5 4dc2249d5d810a5f86cde4df5d00eba4
sha1 b68795f6a328958a572924b982c22cd76b61918e
sha256 3f496884a2c557b710009bc2f9f675dc58b5c98f85987deea4dcfc88a0f4cf80
sha512 a563d5f959b9e29f3b61d5c7b614cf3e488a82fa1c476bd406284c6082fd6efd0a8905fb5dd8f3ccf7f7c97417b5b2967b7c39b859c7fa91b870c56c44e90673
ripemd-160 68bfef2bdedeb1138c7f4b4b195454fef4cdf2d9

20956986 as geometric shapes

Circle

Radius = n
Diameter 41913972
Circumference 131676626.51797
Area 1.3797726092321E+15

Sphere

Radius = n
Volume 3.8554500339815E+22
Surface area 5.5190904369286E+15
Circumference 131676626.51797

Square

Length = n
Perimeter 83827944
Area 439195262204196
Diagonal 29637653.827663

Cube

Length = n
Surface area 2635171573225176
Volume 9.2042089612797E+21
Space diagonal 36298564.52551

Equilateral Triangle

Length = n
Perimeter 62870958
Area 1.901771271453E+14
Altitude 18149282.262755

Triangular Pyramid

Length = n
Surface area 1.901771271453E+14
Volume 1.0847264286631E+21
Height 9879217.9425544