28821856 (number)

28821856 is an even 8-digits composite number following 28821855 and preceding 28821857. In scientific notation, it is written as 2.8821856 × 10^7. The sum of its digits is 40. It has a total of 7 prime factors and 24 positive divisors. There are 12352128 positive integers (up to 28821856) that are relatively prime to 28821856.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand eight hundred fifty-six

Notation

Scientific notation 2.8821856 × 10^7
Engineering notation 2.8821856 × 10^6

Prime Factorization of 28821856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 128669

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1801366
Product of the distinct prime numbers

The prime factorization of 28821856 is 2 × 2 × 2 × 2 × 2 × 7 × 128669. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 7, 52, 57, 152, 520, 9818, 8840, 69460, 42954, 120914, 516463, 9492977, 4291844, 1883276, 14515989, 827155344, 773901835, 3382888641, 4006773912

Basic calculations (n = 28821856)

Multiplication

n×y
n×2 57643712
n×3 86465568
n×4 115287424
n×5 144109280

Division

n÷y
n÷2 14410928
n÷3 9607285.3333333
n÷3 7205464
n÷5 5764371.2

Exponentiation

ny
n2 830699383284736
n3 2.3942298004321E+22
n4 6.9006146538964E+29
n5 1.9888852186609E+37

Nth Root

y√n
2√n 5368.5990723838
3√n 306.60129251298
4√n 73.270724524764
5√n 31.041620762448

Divisors of 28821856

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 128669, 257338, 514676, 900683, 1029352, 1801366, 2058704, 3602732, 4117408, 7205464, 14410928, 28821856

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28821855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28821856 can be divided by 24 positive divisors. The sum of these divisors (counting 28821856) is 1, the average is 0.041666666666667.

Base conversion 28821856

Base System Value
2 Binary 1101101111100100101100000
3 Ternary 2000020022011011
4 Quaternary 1231330211200
5 Quinary 24334244411
6 Senary 2505430304
8 Octal 155744540
10 Decimal 28821856
12 Duodecimal 979b394
16 Hexadecimal 1b7c960
20 Vigesimal 902ecg
36 Base36 h5r34

Cryptographic Hash Functions

md5 d1f1634f523b493ef66878ce9c05d348
sha1 c0ca322e4d605090afc998d8236345520793aa1f
sha256 dfb954042b41308b0ee9c39e9eb98e9b79728f065fc90443c9867973323afd99
sha512 65d62e3ce39d32df0018e834c8e7009de30882df49d08f573b3c33d0bf00f8636f6aaf76a79d57efce673af6c6bab0f9962f3381e1cda3c699d84a91211d9133
ripemd-160 83430b2c6dca32504e599bcac46452ff020a0a91

28821856 as geometric shapes

Circle

Radius = n
Diameter 57643712
Circumference 181093062.14485
Area 2.6097190798689E+15

Sphere

Radius = n
Volume 1.0028926336058E+23
Surface area 1.0438876319476E+16
Circumference 181093062.14485

Square

Length = n
Perimeter 115287424
Area 830699383284736
Diagonal 40760259.647964

Cube

Length = n
Surface area 4984196299708416
Volume 2.3942298004321E+22
Space diagonal 49920918.960434

Equilateral Triangle

Length = n
Perimeter 86465568
Area 3.5970338441632E+14
Altitude 24960459.480217

Triangular Pyramid

Length = n
Surface area 3.5970338441632E+14
Volume 2.8216268793408E+21
Height 13586753.215988