20681720 (number)

20681720 is an even 8-digits composite number following 20681719 and preceding 20681721. In scientific notation, it is written as 2.0681720 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors. There are 8272672 positive integers (up to 20681720) that are relatively prime to 20681720.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand seven hundred twenty

Notation

Scientific notation 2.0681720 × 10^7
Engineering notation 2.0681720 × 10^6

Prime Factorization of 20681720

Prime Factorization 2 × 2 × 2 × 5 × 517043

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5170430
Product of the distinct prime numbers

The prime factorization of 20681720 is 2 × 2 × 2 × 5 × 517043. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 29, 15, 601, 494, 339, 4311, 26352, 34086, 100727, 494318, 9503683, 2537660, 68264075, 8559419, 620542577, 242991947, 1254395739, 62447905

Basic calculations (n = 20681720)

Multiplication

n×y
n×2 41363440
n×3 62045160
n×4 82726880
n×5 103408600

Division

n÷y
n÷2 10340860
n÷3 6893906.6666667
n÷3 5170430
n÷5 4136344

Exponentiation

ny
n2 427733542158400
n3 8.8462653535282E+21
n4 1.8295598308737E+29
n5 3.7838444145378E+36

Nth Root

y√n
2√n 4547.7159102125
3√n 274.49149003205
4√n 67.436754890879
5√n 29.048073234357

Divisors of 20681720

1, 2, 4, 5, 8, 10, 20, 40, 517043, 1034086, 2068172, 2585215, 4136344, 5170430, 10340860, 20681720

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 -20681719
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 20681720 can be divided by 16 positive divisors. The sum of these divisors (counting 20681720) is 1, the average is 0.0625.

Base conversion 20681720

Base System Value
2 Binary 1001110111001001111111000
3 Ternary 1102220201222122
4 Quaternary 1032321033320
5 Quinary 20243303340
6 Senary 2015140412
8 Octal 116711770
10 Decimal 20681720
12 Duodecimal 6b14708
16 Hexadecimal 13b93f8
20 Vigesimal 695460
36 Base36 cba48

Cryptographic Hash Functions

md5 793e3092365543e5acb285561a02bbf8
sha1 b3f687927e425506df5258cca5602cf267dcb3bf
sha256 00a2808d4a6aab8ed8ca512d6ede747a8df6bffc640b1f94c72679323e100a88
sha512 88431257c1e5947ea5860640fe20e94b46df1ae03ccb3dee2eea8c9008f76b57eab9870f5ae1f761d79db1c06388c827ef04a0303a60439edbba9818b731e9c1
ripemd-160 32f0e756016833382035c031e58c099b36bf070f

20681720 as geometric shapes

Circle

Radius = n
Diameter 41363440
Circumference 129947079.2312
Area 1.3437645537388E+15

Sphere

Radius = n
Volume 3.70551496618E+22
Surface area 5.3750582149551E+15
Circumference 129947079.2312

Square

Length = n
Perimeter 82726880
Area 427733542158400
Diagonal 29248368.917203

Cube

Length = n
Surface area 2566401252950400
Volume 8.8462653535282E+21
Space diagonal 35821789.827913

Equilateral Triangle

Length = n
Perimeter 62045160
Area 1.8521405677994E+14
Altitude 17910894.913957

Triangular Pyramid

Length = n
Surface area 1.8521405677994E+14
Volume 1.0425423699426E+21
Height 9749456.3057343