28207788 (number)

28207788 is an even 8-digits composite number following 28207787 and preceding 28207789. In scientific notation, it is written as 2.8207788 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 8059344 positive integers (up to 28207788) that are relatively prime to 28207788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8207788 × 10^7
Engineering notation 2.8207788 × 10^6

Prime Factorization of 28207788

Prime Factorization 2 × 2 × 21 × 335807

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14103894
Product of the distinct prime numbers

The prime factorization of 28207788 is 2 × 2 × 21 × 335807. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 63, 97, 354, 792, 378, 1456, 95214, 64979, 122833, 754095, 8424073, 860978, 25287026, 6435737, 762933348, 87107411, 242078929, 2745159832

Basic calculations (n = 28207788)

Multiplication

n×y
n×2 56415576
n×3 84623364
n×4 112831152
n×5 141038940

Division

n÷y
n÷2 14103894
n÷3 9402596
n÷3 7051947
n÷5 5641557.6

Exponentiation

ny
n2 795679303852944
n3 2.2444353119071E+22
n4 6.3310555457991E+29
n5 1.7858507265212E+37

Nth Root

y√n
2√n 5311.1004509423
3√n 304.40819760548
4√n 72.877297225833
5√n 30.908206575152

Divisors of 28207788

1, 2, 4, 21, 42, 84, 335807, 671614, 1343228, 7051947, 14103894, 28207788

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28207787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28207788 can be divided by 12 positive divisors. The sum of these divisors (counting 28207788) is 1, the average is 0.083333333333333.

Base conversion 28207788

Base System Value
2 Binary 1101011100110101010101100
3 Ternary 1222002002210220
4 Quaternary 1223212222230
5 Quinary 24210122123
6 Senary 2444331340
8 Octal 153465254
10 Decimal 28207788
12 Duodecimal 9543b50
16 Hexadecimal 1ae6aac
20 Vigesimal 8g5j98
36 Base36 gsl9o

Cryptographic Hash Functions

md5 bee047843e35b4b4994269193f8c64d5
sha1 f4d140dd8e150dd24e82718d140c5b2c120302e0
sha256 e233c3a36d8bb7af3d162f5e3ab5bddccf1483fba93154a1bb742be4e337ca3c
sha512 fffca31981d66bcd5307351a6b878218e357d302d4f10ae72762e9edb811fbea17161a3db63193fed4bdea18086654f6180f604f156472cb018451a2bb03fddc
ripemd-160 3e6f20676caaf04fca1f813f77f5a5f1d691c5e3

28207788 as geometric shapes

Circle

Radius = n
Diameter 56415576
Circumference 177234759.10964
Area 2.4997002555978E+15

Sphere

Radius = n
Volume 9.4014686497933E+22
Surface area 9.9988010223914E+15
Circumference 177234759.10964

Square

Length = n
Perimeter 112831152
Area 795679303852944
Diagonal 39891836.354145

Cube

Length = n
Surface area 4774075823117664
Volume 2.2444353119071E+22
Space diagonal 48857321.985132

Equilateral Triangle

Length = n
Perimeter 84623364
Area 3.4453924520108E+14
Altitude 24428660.992566

Triangular Pyramid

Length = n
Surface area 3.4453924520108E+14
Volume 2.6450923816401E+21
Height 13297278.784715