20681625 (number)

20681625 is an odd 8-digits composite number following 20681624 and preceding 20681626. In scientific notation, it is written as 2.0681625 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10920000 positive integers (up to 20681625) that are relatively prime to 20681625.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681625 × 10^7
Engineering notation 2.0681625 × 10^6

Prime Factorization of 20681625

Prime Factorization 75 × 5 × 421 × 131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20681625
Product of the distinct prime numbers

The prime factorization of 20681625 is 75 × 5 × 421 × 131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 57, 87, 627, 141, 8891, 4795, 99287, 57854, 376388, 214556, 2797122, 3401401, 72537822, 14394728, 742504405, 789905781, 7852862658, 3109863546

Basic calculations (n = 20681625)

Multiplication

n×y
n×2 41363250
n×3 62044875
n×4 82726500
n×5 103408125

Division

n÷y
n÷2 10340812.5
n÷3 6893875
n÷3 5170406.25
n÷5 4136325

Exponentiation

ny
n2 427729612640625
n3 8.8461434500287E+21
n4 1.829526215297E+29
n5 3.7837575112442E+36

Nth Root

y√n
2√n 4547.7054653968
3√n 274.49106974574
4√n 67.436677449269
5√n 29.048046548259

Divisors of 20681625

1, 5, 75, 131, 375, 421, 655, 2105, 9825, 31575, 49125, 55151, 157875, 275755, 4136325, 20681625

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 -20681624
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 20681625 can be divided by 16 positive divisors. The sum of these divisors (counting 20681625) is 1, the average is 0.0625.

Base conversion 20681625

Base System Value
2 Binary 1001110111001001110011001
3 Ternary 1102220201212010
4 Quaternary 1032321032121
5 Quinary 20243303000
6 Senary 2015140133
8 Octal 116711631
10 Decimal 20681625
12 Duodecimal 6b14649
16 Hexadecimal 13b9399
20 Vigesimal 695415
36 Base36 cba1l

Cryptographic Hash Functions

md5 8a1164e31b97395809aad8cc254295c6
sha1 d0da0258bff03350b1a219f82c01793a211246a6
sha256 55411f7607623354018941ac18369d17eca9d1d2ebde17a667182c1cfbb5ef86
sha512 2f5fc516277f2d9ec3fc7ed24630a9d0889357dcdcb98e7b614adfd767c60c0dcd7ba7a6f63a9bad1dbf8a62b5487120d12f46abbddac1d69a23a4963cb7de0d
ripemd-160 48057ef3d04ce95863f5cbc01dadd9d473de214c

20681625 as geometric shapes

Circle

Radius = n
Diameter 41363250
Circumference 129946482.3286
Area 1.3437522087946E+15

Sphere

Radius = n
Volume 3.7054639033615E+22
Surface area 5.3750088351784E+15
Circumference 129946482.3286

Square

Length = n
Perimeter 82726500
Area 427729612640625
Diagonal 29248234.566914

Cube

Length = n
Surface area 2566377675843750
Volume 8.8461434500287E+21
Space diagonal 35821625.283087

Equilateral Triangle

Length = n
Perimeter 62044875
Area 1.8521235524883E+14
Altitude 17910812.641543

Triangular Pyramid

Length = n
Surface area 1.8521235524883E+14
Volume 1.0425280034774E+21
Height 9749411.5223048