20679905 (number)

20679905 is an odd 8-digits composite number following 20679904 and preceding 20679906. In scientific notation, it is written as 2.0679905 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 15486720 positive integers (up to 20679905) that are relatively prime to 20679905.

Interesting facts

Basic properties

Name

Name twenty million six hundred seventy-nine thousand nine hundred five

Notation

Scientific notation 2.0679905 × 10^7
Engineering notation 2.0679905 × 10^6

Prime Factorization of 20679905

Prime Factorization 5 × 17 × 223 × 1091

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20679905
Product of the distinct prime numbers

The prime factorization of 20679905 is 5 × 17 × 223 × 1091. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 45, 27, 823, 221, 6218, 6123, 39499, 12027, 511286, 928438, 614091, 9012885, 32494299, 52054584, 166873631, 601967386, 1877146606, 7580596177

Basic calculations (n = 20679905)

Multiplication

n×y
n×2 41359810
n×3 62039715
n×4 82719620
n×5 103399525

Division

n÷y
n÷2 10339952.5
n÷3 6893301.6666667
n÷3 5169976.25
n÷5 4135981

Exponentiation

ny
n2 427658470809025
n3 8.8439365487759E+21
n4 1.8289176765471E+29
n5 3.7821843803816E+36

Nth Root

y√n
2√n 4547.5163551108
3√n 274.48346012885
4√n 67.435275302402
5√n 29.047563372472

Divisors of 20679905

1, 5, 17, 85, 223, 1091, 1115, 3791, 5455, 18547, 18955, 92735, 243293, 1216465, 4135981, 20679905

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 -20679904
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 20679905 can be divided by 16 positive divisors. The sum of these divisors (counting 20679905) is 1, the average is 0.0625.

Base conversion 20679905

Base System Value
2 Binary 1001110111000110011100001
3 Ternary 1102220122111102
4 Quaternary 1032320303201
5 Quinary 20243224110
6 Senary 2015124145
8 Octal 116706341
10 Decimal 20679905
12 Duodecimal 6b13655
16 Hexadecimal 13b8ce1
20 Vigesimal 694jf5
36 Base36 cb8pt

Cryptographic Hash Functions

md5 61557df067f4d88645afeee664a67d6e
sha1 e708e4476e20588b59d6455744b5a1e47af19057
sha256 777fa80a0afcdf08dbccd2b9b04027d2891cf44b85b764b4a0e262019fc55073
sha512 450f2251daf700c8df7d9a1419e8becc919e9ce36f240b3761c76a0da87c18f4d34b1cfa4d64fa68fa620f5a701310215e0425c55e1214c8482e96f61c0d004f
ripemd-160 284acc4560f4db2b3c8b59baaac0151d171bf184

20679905 as geometric shapes

Circle

Radius = n
Diameter 41359810
Circumference 129935675.24987
Area 1.3435287101391E+15

Sphere

Radius = n
Volume 3.7045394787265E+22
Surface area 5.3741148405563E+15
Circumference 129935675.24987

Square

Length = n
Perimeter 82719620
Area 427658470809025
Diagonal 29245802.119587

Cube

Length = n
Surface area 2565950824854150
Volume 8.8439365487759E+21
Space diagonal 35818646.155698

Equilateral Triangle

Length = n
Perimeter 62039715
Area 1.8518154993211E+14
Altitude 17909323.077849

Triangular Pyramid

Length = n
Surface area 1.8518154993211E+14
Volume 1.0422679176705E+21
Height 9748600.7065291