20485728 (number)

20485728 is an even 8-digits composite number following 20485727 and preceding 20485729. In scientific notation, it is written as 2.0485728 × 10^7. The sum of its digits is 36. It has a total of 9 prime factors and 72 positive divisors. There are 6738432 positive integers (up to 20485728) that are relatively prime to 20485728.

Interesting facts

Basic properties

Name

Name twenty million four hundred eighty-five thousand seven hundred twenty-eight

Notation

Scientific notation 2.0485728 × 10^7
Engineering notation 2.0485728 × 10^6

Prime Factorization of 20485728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 3 × 83 × 857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 426786
Product of the distinct prime numbers

The prime factorization of 20485728 is 2 × 2 × 2 × 2 × 2 × 3 × 3 × 83 × 857. Since it has a total of 9 prime factors.

Most popular turbo-numbers

5, 4, 59, 5, 192, 174, 2849, 90, 71111, 83553, 864023, 202280, 5219752, 9636957, 17885823, 25891157, 431068636, 72418395, 609832984, 2854451748

Basic calculations (n = 20485728)

Multiplication

n×y
n×2 40971456
n×3 61457184
n×4 81942912
n×5 102428640

Division

n÷y
n÷2 10242864
n÷3 6828576
n÷3 5121432
n÷5 4097145.6

Exponentiation

ny
n2 419665051689984
n3 8.597144100027E+21
n4 1.7611875560996E+29
n5 3.6079209231241E+36

Nth Root

y√n
2√n 4526.1162159185
3√n 273.62165623184
4√n 67.276416491356
5√n 28.992808060209

Divisors of 20485728

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 83, 96, 144, 166, 249, 288, 332, 498, 664, 747, 857, 996, 1328, 1494, 1714, 1992, 2571, 2656, 2988, 3428, 3984, 5142, 5976, 6856, 7713, 7968, 10284, 11952, 13712, 15426, 20568, 23904, 27424, 30852, 41136, 61704, 71131, 82272, 123408, 142262, 213393, 246816, 284524, 426786, 569048, 640179, 853572, 1138096, 1280358, 1707144, 2276192, 2560716, 3414288, 5121432, 6828576, 10242864, 20485728

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20485727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20485728 can be divided by 72 positive divisors. The sum of these divisors (counting 20485728) is 1, the average is 0.013888888888889.

Base conversion 20485728

Base System Value
2 Binary 1001110001001011001100000
3 Ternary 1102112210010200
4 Quaternary 1032021121200
5 Quinary 20221020403
6 Senary 2011025200
8 Octal 116113140
10 Decimal 20485728
12 Duodecimal 6a3b200
16 Hexadecimal 1389660
20 Vigesimal 680e68
36 Base36 c72w0

Cryptographic Hash Functions

md5 694fa54d0030e7bc9d0d48ad53402fb8
sha1 08b0ed25eaaeb28ff357b312e5adeab2b3e70217
sha256 d7b292cc5f964c3ceb76703cca0496097c7d8ee85e8b326f232b5dad64df74bb
sha512 804ab078efecc02fa2a75902c3bb038ba67bb1e43dcb011719c5202f8fa2ff769416616123f9bdb63a7d190b6ebdb645faac9925930dadc89dc5f91debb21e91
ripemd-160 4bf6411e009a38339453003e2fdfbfb4bc5b49c0

20485728 as geometric shapes

Circle

Radius = n
Diameter 40971456
Circumference 128715625.17648
Area 1.3184166433576E+15

Sphere

Radius = n
Volume 3.601163299533E+22
Surface area 5.2736665734305E+15
Circumference 128715625.17648

Square

Length = n
Perimeter 81942912
Area 419665051689984
Diagonal 28971194.372686

Cube

Length = n
Surface area 2517990310139904
Volume 8.597144100027E+21
Space diagonal 35482321.726036

Equilateral Triangle

Length = n
Perimeter 61457184
Area 1.8172029792202E+14
Altitude 17741160.863018

Triangular Pyramid

Length = n
Surface area 1.8172029792202E+14
Volume 1.0131831486612E+21
Height 9657064.7908954