20402986 (number)

20402986 is an even 8-digits composite number following 20402985 and preceding 20402987. In scientific notation, it is written as 2.0402986 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 9864400 positive integers (up to 20402986) that are relatively prime to 20402986.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand nine hundred eighty-six

Notation

Scientific notation 2.0402986 × 10^7
Engineering notation 2.0402986 × 10^6

Prime Factorization of 20402986

Prime Factorization 2 × 53 × 71 × 2711

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20402986
Product of the distinct prime numbers

The prime factorization of 20402986 is 2 × 53 × 71 × 2711. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402986)

Multiplication

n×y
n×2 40805972
n×3 61208958
n×4 81611944
n×5 102014930

Division

n÷y
n÷2 10201493
n÷3 6800995.3333333
n÷3 5100746.5
n÷5 4080597.2

Exponentiation

ny
n2 416281837716196
n3 8.4933925069778E+21
n4 1.7329056841237E+29
n5 3.5356450412497E+36

Nth Root

y√n
2√n 4516.9664599153
3√n 273.25277254356
4√n 67.208380875567
5√n 28.969349698854

Divisors of 20402986

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 -20402985
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 20402986 can be divided by 16 positive divisors. The sum of these divisors (counting 20402986) is 1, the average is 0.0625.

Base conversion 20402986

Base System Value
2 Binary 1001101110101001100101010
3 Ternary 1102101120122011
4 Quaternary 1031311030222
5 Quinary 20210343421
6 Senary 2005150134
8 Octal 115651452
10 Decimal 20402986
12 Duodecimal 69bb34a
16 Hexadecimal 137532a
20 Vigesimal 67a796
36 Base36 c5b1m

Cryptographic Hash Functions

md5 a8b44020ca8e19eac41acff535c3bc11
sha1 6280880a5c05cde78efe3ec5009655c645a162d9
sha256 2de27304c5f2d7e5314eb5630b07a8b29226695a7e364835ca2eb295b44cb812
sha512 59eec7f67e4d3888b95135abb480490b833e42431c1f19b0af4cd480374c0bd6ea5bf95774ada2ba05353d76f2bf8e4e007ebefa6d2b23d4f2990729431fe723
ripemd-160 3162033d83b8d4f67a3e0bbe6457d31830e01439

20402986 as geometric shapes

Circle

Radius = n
Diameter 40805972
Circumference 128195741.85779
Area 1.3077879631921E+15

Sphere

Radius = n
Volume 3.5577039338635E+22
Surface area 5.2311518527682E+15
Circumference 128195741.85779

Square

Length = n
Perimeter 81611944
Area 416281837716196
Diagonal 28854179.514108

Cube

Length = n
Surface area 2497691026297176
Volume 8.4933925069778E+21
Space diagonal 35339008.378116

Equilateral Triangle

Length = n
Perimeter 61208958
Area 1.8025532329815E+14
Altitude 17669504.189058

Triangular Pyramid

Length = n
Surface area 1.8025532329815E+14
Volume 1.0009559061605E+21
Height 9618059.8380361