28261640 (number)

28261640 is an even 8-digits composite number following 28261639 and preceding 28261641. In scientific notation, it is written as 2.8261640 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 10276800 positive integers (up to 28261640) that are relatively prime to 28261640.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred sixty-one thousand six hundred forty

Notation

Scientific notation 2.8261640 × 10^7
Engineering notation 2.8261640 × 10^6

Prime Factorization of 28261640

Prime Factorization 2 × 2 × 2 × 55 × 64231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7065410
Product of the distinct prime numbers

The prime factorization of 28261640 is 2 × 2 × 2 × 55 × 64231. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 16, 51, 736, 158, 158, 7262, 88002, 66235, 392794, 721288, 1341833, 3798782, 27918596, 23415695, 411207823, 613141178, 7824424617, 9873673855

Basic calculations (n = 28261640)

Multiplication

n×y
n×2 56523280
n×3 84784920
n×4 113046560
n×5 141308200

Division

n÷y
n÷2 14130820
n÷3 9420546.6666667
n÷3 7065410
n÷5 5652328

Exponentiation

ny
n2 798720295489600
n3 2.2573145451821E+22
n4 6.3795411042699E+29
n5 1.8029629405408E+37

Nth Root

y√n
2√n 5316.1677926868
3√n 304.60179153134
4√n 72.912055194506
5√n 30.919999056913

Divisors of 28261640

1, 2, 4, 8, 55, 110, 220, 440, 64231, 128462, 256924, 513848, 3532705, 7065410, 14130820, 28261640

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28261639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28261640 can be divided by 16 positive divisors. The sum of these divisors (counting 28261640) is 1, the average is 0.0625.

Base conversion 28261640

Base System Value
2 Binary 1101011110011110100001000
3 Ternary 1222011211200102
4 Quaternary 1223303310020
5 Quinary 24213333030
6 Senary 2445424532
8 Octal 153636410
10 Decimal 28261640
12 Duodecimal 956b148
16 Hexadecimal 1af3d08
20 Vigesimal 8gce20
36 Base36 gtqtk

Cryptographic Hash Functions

md5 0d82290034babc28311d9fe58b96b00c
sha1 b6235a32795f77deeaee72dc02bb255a13ae097c
sha256 2c681d46d5c30a4ff4c32c7dcfa1d6ed1f0675b6f5a11e739852cb1d77c927f6
sha512 0865338741c9a94b7e29d378ed5d19cefa878ec99c99bc6d41d7a2cb98724e866a634cfa1517e37cf0c070c8753e3f1774bda0a063cd37cd875d677da2f2713c
ripemd-160 3484e11ebc04dbefa578e396407caf312f8120a8

28261640 as geometric shapes

Circle

Radius = n
Diameter 56523280
Circumference 177573121.2048
Area 2.5092538125832E+15

Sphere

Radius = n
Volume 9.4554170559805E+22
Surface area 1.0037015250333E+16
Circumference 177573121.2048

Square

Length = n
Perimeter 113046560
Area 798720295489600
Diagonal 39967994.582906

Cube

Length = n
Surface area 4792321772937600
Volume 2.2573145451821E+22
Space diagonal 48950596.385221

Equilateral Triangle

Length = n
Perimeter 84784920
Area 3.458560332061E+14
Altitude 24475298.19261

Triangular Pyramid

Length = n
Surface area 3.458560332061E+14
Volume 2.6602707036154E+21
Height 13322664.860969