28491288 (number)

28491288 is an even 8-digits composite number following 28491287 and preceding 28491289. In scientific notation, it is written as 2.8491288 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 8140320 positive integers (up to 28491288) that are relatively prime to 28491288.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8491288 × 10^7
Engineering notation 2.8491288 × 10^6

Prime Factorization of 28491288

Prime Factorization 2 × 2 × 2 × 3 × 7 × 169591

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7122822
Product of the distinct prime numbers

The prime factorization of 28491288 is 2 × 2 × 2 × 3 × 7 × 169591. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 4, 16, 13, 742, 950, 8071, 1805, 48015, 93341, 127442, 10023, 2585203, 3765699, 81673421, 8248093, 252290444, 564410941, 8932221237, 5447106612

Basic calculations (n = 28491288)

Multiplication

n×y
n×2 56982576
n×3 85473864
n×4 113965152
n×5 142456440

Division

n÷y
n÷2 14245644
n÷3 9497096
n÷3 7122822
n÷5 5698257.6

Exponentiation

ny
n2 811753491898944
n3 2.3127902522698E+22
n4 6.5894373161013E+29
n5 1.8774155633099E+37

Nth Root

y√n
2√n 5337.723110091
3√n 305.42460971058
4√n 73.059722899085
5√n 30.97008637156

Divisors of 28491288

1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 169591, 339182, 508773, 678364, 1017546, 1187137, 1356728, 2035092, 2374274, 3561411, 4070184, 4748548, 7122822, 9497096, 14245644, 28491288

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 -28491287
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 28491288 can be divided by 32 positive divisors. The sum of these divisors (counting 28491288) is 1, the average is 0.03125.

Base conversion 28491288

Base System Value
2 Binary 1101100101011111000011000
3 Ternary 1222121111200220
4 Quaternary 1230223320120
5 Quinary 24243210123
6 Senary 2454400040
8 Octal 154537030
10 Decimal 28491288
12 Duodecimal 9660020
16 Hexadecimal 1b2be18
20 Vigesimal 8i1848
36 Base36 gyo0o

Cryptographic Hash Functions

md5 dc9d79e4692abd02cf515a74c0df22ae
sha1 13f9c5c59aa1a82b93f2caf9cc687a2d7945c8c4
sha256 cc26e9aac61aea588ba02b91028828d7b86ebe2f91d4c623742977b7ec9ae726
sha512 1d27101a243d143288ab01a028d33e6184611069fa1fbe8e3e3c3583b412a408656fb8c4896b7d007d5ffd8d605a483c0a3412a2ba8c9304bdd747b0c0120c6e
ripemd-160 496bb2862e92a14cb522a7025cdfad7b4cd079a0

28491288 as geometric shapes

Circle

Radius = n
Diameter 56982576
Circumference 179016042.14422
Area 2.5501988066756E+15

Sphere

Radius = n
Volume 9.6877931544334E+22
Surface area 1.0200795226702E+16
Circumference 179016042.14422

Square

Length = n
Perimeter 113965152
Area 811753491898944
Diagonal 40292765.899078

Cube

Length = n
Surface area 4870520951393664
Volume 2.3127902522698E+22
Space diagonal 49348358.389077

Equilateral Triangle

Length = n
Perimeter 85473864
Area 3.5149957279761E+14
Altitude 24674179.194539

Triangular Pyramid

Length = n
Surface area 3.5149957279761E+14
Volume 2.7256494514036E+21
Height 13430921.966359