28491188 (number)

28491188 is an even 8-digits composite number following 28491187 and preceding 28491189. In scientific notation, it is written as 2.8491188 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 12950520 positive integers (up to 28491188) that are relatively prime to 28491188.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-one thousand one hundred eighty-eight

Notation

Scientific notation 2.8491188 × 10^7
Engineering notation 2.8491188 × 10^6

Prime Factorization of 28491188

Prime Factorization 2 × 2 × 11 × 647527

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14245594
Product of the distinct prime numbers

The prime factorization of 28491188 is 2 × 2 × 11 × 647527. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 12, 14, 76, 516, 4744, 9099, 89812, 49534, 520913, 285250, 7311621, 3833680, 78536986, 73760796, 741594991, 688117848, 6690730929, 2032655629

Basic calculations (n = 28491188)

Multiplication

n×y
n×2 56982376
n×3 85473564
n×4 113964752
n×5 142455940

Division

n÷y
n÷2 14245594
n÷3 9497062.6666667
n÷3 7122797
n÷5 5698237.6

Exponentiation

ny
n2 811747793651344
n3 2.3127658997506E+22
n4 6.5893448049782E+29
n5 1.8773826163546E+37

Nth Root

y√n
2√n 5337.7137427929
3√n 305.42425237916
4√n 73.059658791928
5√n 30.97006463149

Divisors of 28491188

1, 2, 4, 11, 22, 44, 647527, 1295054, 2590108, 7122797, 14245594, 28491188

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 -28491187
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 28491188 can be divided by 12 positive divisors. The sum of these divisors (counting 28491188) is 1, the average is 0.083333333333333.

Base conversion 28491188

Base System Value
2 Binary 1101100101011110110110100
3 Ternary 1222121111120012
4 Quaternary 1230223312310
5 Quinary 24243204223
6 Senary 2454355352
8 Octal 154536664
10 Decimal 28491188
12 Duodecimal 965bb58
16 Hexadecimal 1b2bdb4
20 Vigesimal 8i17j8
36 Base36 gynxw

Cryptographic Hash Functions

md5 17de2cdc167257a27450610e7e74b3aa
sha1 21fda30b9b440cbb4d6c5d7b0886fea52e189a5d
sha256 ff14e19eb23274e2ef1210f86f349ba622a100b57125c7b47f1fc331fe8332fc
sha512 d4226575807c3d8c37f83d04179c429c05c054380c81432e10a162afb90c87084229c17920a998470c7a574cbc21c4006cd63c0f7383490d7570971c20f0d040
ripemd-160 d84fbe8c4280d6747f506e767afc79f64443b4f3

28491188 as geometric shapes

Circle

Radius = n
Diameter 56982376
Circumference 179015413.82569
Area 2.5501809051028E+15

Sphere

Radius = n
Volume 9.6876911468391E+22
Surface area 1.0200723620411E+16
Circumference 179015413.82569

Square

Length = n
Perimeter 113964752
Area 811747793651344
Diagonal 40292624.477722

Cube

Length = n
Surface area 4870486761908064
Volume 2.3127658997506E+22
Space diagonal 49348185.183997

Equilateral Triangle

Length = n
Perimeter 85473564
Area 3.5149710538402E+14
Altitude 24674092.591998

Triangular Pyramid

Length = n
Surface area 3.5149710538402E+14
Volume 2.7256207516844E+21
Height 13430874.825907