20446985 (number)

20446985 is an odd 8-digits composite number following 20446984 and preceding 20446986. In scientific notation, it is written as 2.0446985 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 15099264 positive integers (up to 20446985) that are relatively prime to 20446985.

Interesting facts

Basic properties

Name

Name twenty million four hundred forty-six thousand nine hundred eighty-five

Notation

Scientific notation 2.0446985 × 10^7
Engineering notation 2.0446985 × 10^6

Prime Factorization of 20446985

Prime Factorization 5 × 13 × 314569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20446985
Product of the distinct prime numbers

The prime factorization of 20446985 is 5 × 13 × 314569. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20446985)

Multiplication

n×y
n×2 40893970
n×3 61340955
n×4 81787940
n×5 102234925

Division

n÷y
n÷2 10223492.5
n÷3 6815661.6666667
n÷3 5111746.25
n÷5 4089397

Exponentiation

ny
n2 418079195590225
n3 8.5484590410454E+21
n4 1.7479021378537E+29
n5 3.5739328794162E+36

Nth Root

y√n
2√n 4521.8342517169
3√n 273.44905454303
4√n 67.244585296638
5√n 28.981833404421

Divisors of 20446985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20446984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20446985 can be divided by 8 positive divisors. The sum of these divisors (counting 20446985) is 1, the average is 0.125.

Base conversion 20446985

Base System Value
2 Binary 1001101111111111100001001
3 Ternary 1102110210222202
4 Quaternary 1031333330021
5 Quinary 20213300420
6 Senary 2010125545
8 Octal 115777411
10 Decimal 20446985
12 Duodecimal 6a208b5
16 Hexadecimal 137ff09
20 Vigesimal 67fh95
36 Base36 c68zt

Cryptographic Hash Functions

md5 ffac18049d1885c71514d04e5397d826
sha1 941f8041b7bf6adee12b6f7183e59877e6d66f63
sha256 cd210d9dc046a3edd7fbe7ba835d30e18239f9de84b52e3c760c3ad2b0411abc
sha512 0293613374381817adc03846384142f6045d5b5ffc5e0f206aae0eab96cb23e0dc5ff42bac5183f3ec58e1e7b5c85d6c23938d122a7258ad6994046c6505a0de
ripemd-160 6e890ab9b250b7ea3a039cd10ad1c7806ecf8761

20446985 as geometric shapes

Circle

Radius = n
Diameter 40893970
Circumference 128472195.72812
Area 1.313434529485E+15

Sphere

Radius = n
Volume 3.5807701497149E+22
Surface area 5.2537381179399E+15
Circumference 128472195.72812

Square

Length = n
Perimeter 81787940
Area 418079195590225
Diagonal 28916403.496639

Cube

Length = n
Surface area 2508475173541350
Volume 8.5484590410454E+21
Space diagonal 35415216.881599

Equilateral Triangle

Length = n
Perimeter 61340955
Area 1.8103360208745E+14
Altitude 17707608.440799

Triangular Pyramid

Length = n
Surface area 1.8103360208745E+14
Volume 1.0074455594364E+21
Height 9638801.1655464