20446987 (number)

20446987 is an odd 8-digits composite number following 20446986 and preceding 20446988. In scientific notation, it is written as 2.0446987 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 18134400 positive integers (up to 20446987) that are relatively prime to 20446987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0446987 × 10^7
Engineering notation 2.0446987 × 10^6

Prime Factorization of 20446987

Prime Factorization 11 × 41 × 45337

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20446987
Product of the distinct prime numbers

The prime factorization of 20446987 is 11 × 41 × 45337. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20446987)

Multiplication

n×y
n×2 40893974
n×3 61340961
n×4 81787948
n×5 102234935

Division

n÷y
n÷2 10223493.5
n÷3 6815662.3333333
n÷3 5111746.75
n÷5 4089397.4

Exponentiation

ny
n2 418079277378169
n3 8.5484615495208E+21
n4 1.7479028217305E+29
n5 3.5739346273187E+36

Nth Root

y√n
2√n 4521.8344728661
3√n 273.44906345874
4√n 67.244586941003
5√n 28.981833971386

Divisors of 20446987

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 -20446986
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 20446987 can be divided by 8 positive divisors. The sum of these divisors (counting 20446987) is 1, the average is 0.125.

Base conversion 20446987

Base System Value
2 Binary 1001101111111111100001011
3 Ternary 1102110210222211
4 Quaternary 1031333330023
5 Quinary 20213300422
6 Senary 2010125551
8 Octal 115777413
10 Decimal 20446987
12 Duodecimal 6a208b7
16 Hexadecimal 137ff0b
20 Vigesimal 67fh97
36 Base36 c68zv

Cryptographic Hash Functions

md5 9f50b8a15ebf7236a50e73f4f9bb5e13
sha1 5e84552f5d5832176720add38cce63f5a7da7e61
sha256 f489273c56ad41521e662426e2d74f436429efa72a875e64fe992ad29e507636
sha512 e0b2a398a5d254f240d39303c951d1b3620ca81c3f13b713c5a6b27d931003f62e72648a44ff129b5bef895de510ac350b1654997c7146099cbfba19775bd32a
ripemd-160 b1e88b84c8396e323d4d781289c550173998b74d

20446987 as geometric shapes

Circle

Radius = n
Diameter 40893974
Circumference 128472208.29449
Area 1.3134347864294E+15

Sphere

Radius = n
Volume 3.5807712004626E+22
Surface area 5.2537391457175E+15
Circumference 128472208.29449

Square

Length = n
Perimeter 81787948
Area 418079277378169
Diagonal 28916406.325066

Cube

Length = n
Surface area 2508475664269014
Volume 8.5484615495208E+21
Space diagonal 35415220.3457

Equilateral Triangle

Length = n
Perimeter 61340961
Area 1.8103363750267E+14
Altitude 17707610.17285

Triangular Pyramid

Length = n
Surface area 1.8103363750267E+14
Volume 1.0074458550631E+21
Height 9638802.1083555