20668840 (number)

20668840 is an even 8-digits composite number following 20668839 and preceding 20668841. In scientific notation, it is written as 2.0668840 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors. There are 8267520 positive integers (up to 20668840) that are relatively prime to 20668840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0668840 × 10^7
Engineering notation 2.0668840 × 10^6

Prime Factorization of 20668840

Prime Factorization 2 × 2 × 2 × 5 × 516721

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5167210
Product of the distinct prime numbers

The prime factorization of 20668840 is 2 × 2 × 2 × 5 × 516721. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 1, 60, 6, 874, 580, 6120, 3434, 7391, 790, 660510, 412503, 3340931, 2114711, 1840707, 80440188, 84395173, 859393472, 9389944377, 2865887659

Basic calculations (n = 20668840)

Multiplication

n×y
n×2 41337680
n×3 62006520
n×4 82675360
n×5 103344200

Division

n÷y
n÷2 10334420
n÷3 6889613.3333333
n÷3 5167210
n÷5 4133768

Exponentiation

ny
n2 427200946945600
n3 8.8297480202671E+21
n4 1.8250064907122E+29
n5 3.7720767155491E+36

Nth Root

y√n
2√n 4546.2995941755
3√n 274.43449631051
4√n 67.426253004119
5√n 29.044454266307

Divisors of 20668840

1, 2, 4, 5, 8, 10, 20, 40, 516721, 1033442, 2066884, 2583605, 4133768, 5167210, 10334420, 20668840

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 -20668839
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 20668840 can be divided by 16 positive divisors. The sum of these divisors (counting 20668840) is 1, the average is 0.0625.

Base conversion 20668840

Base System Value
2 Binary 1001110110110000110101000
3 Ternary 1102220002022121
4 Quaternary 1032312012220
5 Quinary 20242400330
6 Senary 2015001024
8 Octal 116660650
10 Decimal 20668840
12 Duodecimal 6b09174
16 Hexadecimal 13b61a8
20 Vigesimal 693c20
36 Base36 cb06g

Cryptographic Hash Functions

md5 27ddeba8e4c50709f778a0041164dd33
sha1 13779a76c27ca8e028d697724cc281c1eac14dc8
sha256 0f98a63e1820748eb7c9bdd5b76aa88a1e10d6bd8469e461899b4cc17c1b5dd6
sha512 21c82c6f053bf6960d19319c7ffda1105e7b6b8090a7c576aeda2b246a303486ead9532bfc8615fb8b94865d1229e7e107af2dd242ccd189b524c95b4c1b32a6
ripemd-160 ed42aa1e1493549c74528e39dce863a796258402

20668840 as geometric shapes

Circle

Radius = n
Diameter 41337680
Circumference 129866151.80445
Area 1.3420913565309E+15

Sphere

Radius = n
Volume 3.6985962018027E+22
Surface area 5.3683654261236E+15
Circumference 129866151.80445

Square

Length = n
Perimeter 82675360
Area 427200946945600
Diagonal 29230153.84652

Cube

Length = n
Surface area 2563205681673600
Volume 8.8297480202671E+21
Space diagonal 35799481.013512

Equilateral Triangle

Length = n
Perimeter 62006520
Area 1.8498343628783E+14
Altitude 17899740.506756

Triangular Pyramid

Length = n
Surface area 1.8498343628783E+14
Volume 1.0405957835499E+21
Height 9743384.6155065