20668849 (number)

20668849 is an odd 8-digits composite number following 20668848 and preceding 20668850. In scientific notation, it is written as 2.0668849 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 20407140 positive integers (up to 20668849) that are relatively prime to 20668849.

Interesting facts

Basic properties

Name

Name twenty million six hundred sixty-eight thousand eight hundred forty-nine

Notation

Scientific notation 2.0668849 × 10^7
Engineering notation 2.0668849 × 10^6

Prime Factorization of 20668849

Prime Factorization 79 × 261631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20668849
Product of the distinct prime numbers

The prime factorization of 20668849 is 79 × 261631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20668849)

Multiplication

n×y
n×2 41337698
n×3 62006547
n×4 82675396
n×5 103344245

Division

n÷y
n÷2 10334424.5
n÷3 6889616.3333333
n÷3 5167212.25
n÷5 4133769.8

Exponentiation

ny
n2 427201318984801
n3 8.8297595546977E+21
n4 1.8250096694235E+29
n5 3.7720849280855E+36

Nth Root

y√n
2√n 4546.3005839913
3√n 274.43453614358
4√n 67.426260344107
5√n 29.044456795719

Divisors of 20668849

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20668848
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20668849 can be divided by 4 positive divisors. The sum of these divisors (counting 20668849) is 1, the average is 0.25.

Base conversion 20668849

Base System Value
2 Binary 1001110110110000110110001
3 Ternary 1102220002022221
4 Quaternary 1032312012301
5 Quinary 20242400344
6 Senary 2015001041
8 Octal 116660661
10 Decimal 20668849
12 Duodecimal 6b09181
16 Hexadecimal 13b61b1
20 Vigesimal 693c29
36 Base36 cb06p

Cryptographic Hash Functions

md5 3e3c7a70d135f9af0c02beb09199446a
sha1 9aab0ecd6d4f5729f51a186622402ffe9850f225
sha256 afb1e47386ef9f5f02621d0d2a2ef67ead9e19d1c380e814d65c52ecf809020c
sha512 b7f2131b58234d1390fb31dba71d276a40d5ca3c5e1b80ae2495762ace88a9efdfcbd40da80de29f9f96f6acf8da6a4b653da635bfd5e48c26209d6bba2113c7
ripemd-160 b0e4d5cea1cc17876f3fc33b7265bd393fe061ef

20668849 as geometric shapes

Circle

Radius = n
Diameter 41337698
Circumference 129866208.35311
Area 1.3420925253265E+15

Sphere

Radius = n
Volume 3.6986010333337E+22
Surface area 5.3683701013061E+15
Circumference 129866208.35311

Square

Length = n
Perimeter 82675396
Area 427201318984801
Diagonal 29230166.574442

Cube

Length = n
Surface area 2563207913908806
Volume 8.8297595546977E+21
Space diagonal 35799496.601969

Equilateral Triangle

Length = n
Perimeter 62006547
Area 1.8498359738553E+14
Altitude 17899748.300985

Triangular Pyramid

Length = n
Surface area 1.8498359738553E+14
Volume 1.0405971428956E+21
Height 9743388.8581472