28521640 (number)

28521640 is an even 8-digits composite number following 28521639 and preceding 28521641. In scientific notation, it is written as 2.8521640 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors. There are 9778752 positive integers (up to 28521640) that are relatively prime to 28521640.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred twenty-one thousand six hundred forty

Notation

Scientific notation 2.8521640 × 10^7
Engineering notation 2.8521640 × 10^6

Prime Factorization of 28521640

Prime Factorization 2 × 2 × 2 × 5 × 7 × 101863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7130410
Product of the distinct prime numbers

The prime factorization of 28521640 is 2 × 2 × 2 × 5 × 7 × 101863. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 10, 50, 20, 605, 33, 6534, 5093, 59349, 72622, 697656, 632178, 6355870, 7090088, 43910272, 38866013, 724351949, 594275049, 4531154624, 5165919308

Basic calculations (n = 28521640)

Multiplication

n×y
n×2 57043280
n×3 85564920
n×4 114086560
n×5 142608200

Division

n÷y
n÷2 14260820
n÷3 9507213.3333333
n÷3 7130410
n÷5 5704328

Exponentiation

ny
n2 813483948289600
n3 2.3201896318895E+22
n4 6.6175613412484E+29
n5 1.88743702253E+37

Nth Root

y√n
2√n 5340.5655131269
3√n 305.53302832391
4√n 73.079172909433
5√n 30.976682098364

Divisors of 28521640

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101863, 203726, 407452, 509315, 713041, 814904, 1018630, 1426082, 2037260, 2852164, 3565205, 4074520, 5704328, 7130410, 14260820, 28521640

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 -28521639
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 28521640 can be divided by 32 positive divisors. The sum of these divisors (counting 28521640) is 1, the average is 0.03125.

Base conversion 28521640

Base System Value
2 Binary 1101100110011010010101000
3 Ternary 1222200001100001
4 Quaternary 1230303102220
5 Quinary 24300143030
6 Senary 2455152344
8 Octal 154632250
10 Decimal 28521640
12 Duodecimal 96756b4
16 Hexadecimal 1b334a8
20 Vigesimal 8i5420
36 Base36 gzbfs

Cryptographic Hash Functions

md5 dc19792d3443ed28515080b27de070f7
sha1 1d05aaaa1f680cdf2d68328f606b05293163e96e
sha256 3902feb35f7fcf7ea1725c1f7eb815a0228a2f1b6d20db284993585be11580a8
sha512 8fa89975a5d05e714a36dfda7f519b1539ab654b78e512b55880cb35b33f8f82a0749d1202334ec2e8ead74a7f4ed72fc5f763d30fcc507869e9f3e4cae50c61
ripemd-160 53c559c37ad375f0dc4d550fa11e6a0ee1120926

28521640 as geometric shapes

Circle

Radius = n
Diameter 57043280
Circumference 179206749.38467
Area 2.5556351957598E+15

Sphere

Radius = n
Volume 9.7187876033055E+22
Surface area 1.0222540783039E+16
Circumference 179206749.38467

Square

Length = n
Perimeter 114086560
Area 813483948289600
Diagonal 40335690.109123

Cube

Length = n
Surface area 4880903689737600
Volume 2.3201896318895E+22
Space diagonal 49400929.595189

Equilateral Triangle

Length = n
Perimeter 85564920
Area 3.5224888239483E+14
Altitude 24700464.797594

Triangular Pyramid

Length = n
Surface area 3.5224888239483E+14
Volume 2.7343697039129E+21
Height 13445230.036374