20081643 (number)

20081643 is an odd 8-digits composite number following 20081642 and preceding 20081644. In scientific notation, it is written as 2.0081643 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 12916800 positive integers (up to 20081643) that are relatively prime to 20081643.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand six hundred forty-three

Notation

Scientific notation 2.0081643 × 10^7
Engineering notation 2.0081643 × 10^6

Prime Factorization of 20081643

Prime Factorization 3 × 47 × 73 × 1951

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20081643
Product of the distinct prime numbers

The prime factorization of 20081643 is 3 × 47 × 73 × 1951. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 15, 2, 154, 21, 7305, 4721, 8659, 43786, 539239, 514981, 5772166, 4293564, 18190112, 63495200, 820146813, 845562503, 532857613, 7742488452

Basic calculations (n = 20081643)

Multiplication

n×y
n×2 40163286
n×3 60244929
n×4 80326572
n×5 100408215

Division

n÷y
n÷2 10040821.5
n÷3 6693881
n÷3 5020410.75
n÷5 4016328.6

Exponentiation

ny
n2 403272385579449
n3 8.0983720789648E+21
n4 1.6262861697094E+29
n5 3.2658498275942E+36

Nth Root

y√n
2√n 4481.2546234286
3√n 271.81061553736
4√n 66.942173727991
5√n 28.87751701605

Divisors of 20081643

1, 3, 47, 73, 141, 219, 1951, 3431, 5853, 10293, 91697, 142423, 275091, 427269, 6693881, 20081643

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 -20081642
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 20081643 can be divided by 16 positive divisors. The sum of these divisors (counting 20081643) is 1, the average is 0.0625.

Base conversion 20081643

Base System Value
2 Binary 1001100100110101111101011
3 Ternary 1101210020211120
4 Quaternary 1030212233223
5 Quinary 20120103033
6 Senary 1554230323
8 Octal 114465753
10 Decimal 20081643
12 Duodecimal 68853a3
16 Hexadecimal 1326beb
20 Vigesimal 65a423
36 Base36 byf3f

Cryptographic Hash Functions

md5 b661c27b2a2ccd103e820f2928ea64dc
sha1 b07b14b64843973d6fb770fae0ba776388fdc6fc
sha256 c8ed0b2c79aa1e29c42b0ddf03acb0e131397cf5dc25cce481bb75b8282d7669
sha512 054640fec7089b6fdfce30a29441c8478724fdcd41ecebf8621a49560c8ca76bb28d4d098fab63e3242cde4e956758079f4a9984932db9e0b1dd2ea05e79311e
ripemd-160 f0abbc3eaa5e6b5c479d78d44e73c7ce1087601f

20081643 as geometric shapes

Circle

Radius = n
Diameter 40163286
Circumference 126176684.24163
Area 1.266917563932E+15

Sphere

Radius = n
Volume 3.3922381639084E+22
Surface area 5.0676702557281E+15
Circumference 126176684.24163

Square

Length = n
Perimeter 80326572
Area 403272385579449
Diagonal 28399731.885335

Cube

Length = n
Surface area 2419634313476694
Volume 8.0983720789648E+21
Space diagonal 34782425.97546

Equilateral Triangle

Length = n
Perimeter 60244929
Area 1.7462206527828E+14
Altitude 17391212.98773

Triangular Pyramid

Length = n
Surface area 1.7462206527828E+14
Volume 9.5440230226797E+20
Height 9466577.2951116