28238640 (number)

28238640 is an even 8-digits composite number following 28238639 and preceding 28238641. In scientific notation, it is written as 2.8238640 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors. There are 7446528 positive integers (up to 28238640) that are relatively prime to 28238640.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-eight thousand six hundred forty

Notation

Scientific notation 2.8238640 × 10^7
Engineering notation 2.8238640 × 10^6

Prime Factorization of 28238640

Prime Factorization 2 × 2 × 2 × 2 × 3 × 5 × 97 × 1213

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3529830
Product of the distinct prime numbers

The prime factorization of 28238640 is 2 × 2 × 2 × 2 × 3 × 5 × 97 × 1213. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 5, 76, 50, 113, 10, 3031, 5898, 32256, 5030, 613460, 502796, 7844432, 6973865, 95553308, 8018446, 370238883, 795215178, 8190726157, 270016941

Basic calculations (n = 28238640)

Multiplication

n×y
n×2 56477280
n×3 84715920
n×4 112954560
n×5 141193200

Division

n÷y
n÷2 14119320
n÷3 9412880
n÷3 7059660
n÷5 5647728

Exponentiation

ny
n2 797420789049600
n3 2.2518078590488E+22
n4 6.3587991480849E+29
n5 1.7956383997508E+37

Nth Root

y√n
2√n 5314.0041400059
3√n 304.51913835938
4√n 72.897216270623
5√n 30.914964730561

Divisors of 28238640

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1213, 1455, 1552, 1940, 2328, 2426, 2910, 3639, 3880, 4656, 4852, 5820, 6065, 7278, 7760, 9704, 11640, 12130, 14556, 18195, 19408, 23280, 24260, 29112, 36390, 48520, 58224, 72780, 97040, 117661, 145560, 235322, 291120, 352983, 470644, 588305, 705966, 941288, 1176610, 1411932, 1764915, 1882576, 2353220, 2823864, 3529830, 4706440, 5647728, 7059660, 9412880, 14119320, 28238640

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28238639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28238640 can be divided by 80 positive divisors. The sum of these divisors (counting 28238640) is 1, the average is 0.0125.

Base conversion 28238640

Base System Value
2 Binary 1101011101110001100110000
3 Ternary 1222010200010120
4 Quaternary 1223232030300
5 Quinary 24212114030
6 Senary 2445130240
8 Octal 153561460
10 Decimal 28238640
12 Duodecimal 9559980
16 Hexadecimal 1aee330
20 Vigesimal 8g9gc0
36 Base36 gt92o

Cryptographic Hash Functions

md5 ca48bb433cb673c68a13591ba8ff1914
sha1 1e5a4fa66e829e6650039964d99f2be487e17892
sha256 2277bf2f65ed894c464e26923dfc5f10f3d1bccdee5eb5b90bfb7f9020bd4aea
sha512 1c0539cf3d04d10f1da7f8d390062d0d6aadae0c3576a8ed1ed64c20f5e94f0fa98efe4a61a42751f56a8a76dd18fe7ea0f20bdc096c2d405bb43f2cd81fcd3d
ripemd-160 11d4cd66021c9244c502a91db3d6a8f8132c4502

28238640 as geometric shapes

Circle

Radius = n
Diameter 56477280
Circumference 177428607.94273
Area 2.505171292698E+15

Sphere

Radius = n
Volume 9.4323507030445E+22
Surface area 1.0020685170792E+16
Circumference 177428607.94273

Square

Length = n
Perimeter 112954560
Area 797420789049600
Diagonal 39935467.670971

Cube

Length = n
Surface area 4784524734297600
Volume 2.2518078590488E+22
Space diagonal 48910759.216647

Equilateral Triangle

Length = n
Perimeter 84715920
Area 3.4529333041139E+14
Altitude 24455379.608323

Triangular Pyramid

Length = n
Surface area 3.4529333041139E+14
Volume 2.6537810117709E+21
Height 13311822.55699