20210728 (number)

20210728 is an even 8-digits composite number following 20210727 and preceding 20210729. In scientific notation, it is written as 2.0210728 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 32 positive divisors. There are 9854208 positive integers (up to 20210728) that are relatively prime to 20210728.

Interesting facts

Basic properties

Name

Name twenty million two hundred ten thousand seven hundred twenty-eight

Notation

Scientific notation 2.0210728 × 10^7
Engineering notation 2.0210728 × 10^6

Prime Factorization of 20210728

Prime Factorization 2 × 2 × 2 × 113 × 79 × 283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5052682
Product of the distinct prime numbers

The prime factorization of 20210728 is 2 × 2 × 2 × 113 × 79 × 283. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 1, 53, 94, 23, 163, 1408, 8572, 12814, 78134, 229388, 965943, 8464961, 1433508, 91276112, 1771091, 455351889, 121119756, 3359843788, 150758850

Basic calculations (n = 20210728)

Multiplication

n×y
n×2 40421456
n×3 60632184
n×4 80842912
n×5 101053640

Division

n÷y
n÷2 10105364
n÷3 6736909.3333333
n÷3 5052682
n÷5 4042145.6

Exponentiation

ny
n2 408473526289984
n3 8.2555473350477E+21
n4 1.6685062167977E+29
n5 3.3721725314008E+36

Nth Root

y√n
2√n 4495.6343267664
3√n 272.39177252527
4√n 67.049491621983
5√n 28.914546919677

Divisors of 20210728

1, 2, 4, 8, 79, 113, 158, 226, 283, 316, 452, 566, 632, 904, 1132, 2264, 8927, 17854, 22357, 31979, 35708, 44714, 63958, 71416, 89428, 127916, 178856, 255832, 2526341, 5052682, 10105364, 20210728

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20210727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20210728 can be divided by 32 positive divisors. The sum of these divisors (counting 20210728) is 1, the average is 0.03125.

Base conversion 20210728

Base System Value
2 Binary 1001101000110010000101000
3 Ternary 1102000210220111
4 Quaternary 1031012100220
5 Quinary 20133220403
6 Senary 2001104104
8 Octal 115062050
10 Decimal 20210728
12 Duodecimal 6928034
16 Hexadecimal 1346428
20 Vigesimal 6666g8
36 Base36 c16p4

Cryptographic Hash Functions

md5 862960164b4e879ae35080066d693968
sha1 c80fdb21743a4973c4ec114d17812d7445ecdcbf
sha256 2b0813fdeed36c79fa51a209d46f79a05e75d634ceb2f8e0120b49e4d80f3456
sha512 7aa162f0fb1083a37481d674f8f403013e680bf12b34e50b6471f1210b7605dd2845ddcae971b845cf697f54e21ca027a119382ccf47d399f9e1609c99621430
ripemd-160 06e72ff366cf412b3a163b9656fb3b2c10fcc212

20210728 as geometric shapes

Circle

Radius = n
Diameter 40421456
Circumference 126987749.217
Area 1.2832574293785E+15

Sphere

Radius = n
Volume 3.4580755812198E+22
Surface area 5.1330297175141E+15
Circumference 126987749.217

Square

Length = n
Perimeter 80842912
Area 408473526289984
Diagonal 28582285.643034

Cube

Length = n
Surface area 2450841157739904
Volume 8.2555473350477E+21
Space diagonal 35006007.753955

Equilateral Triangle

Length = n
Perimeter 60632184
Area 1.7687422527027E+14
Altitude 17503003.876977

Triangular Pyramid

Length = n
Surface area 1.7687422527027E+14
Volume 9.7292558383646E+20
Height 9527428.5476779