28378420 (number)

28378420 is an even 8-digits composite number following 28378419 and preceding 28378421. In scientific notation, it is written as 2.8378420 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 9567360 positive integers (up to 28378420) that are relatively prime to 28378420.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred seventy-eight thousand four hundred twenty

Notation

Scientific notation 2.8378420 × 10^7
Engineering notation 2.8378420 × 10^6

Prime Factorization of 28378420

Prime Factorization 2 × 2 × 35 × 61 × 3323

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14189210
Product of the distinct prime numbers

The prime factorization of 28378420 is 2 × 2 × 35 × 61 × 3323. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 47, 7, 134, 112, 1481, 731, 71768, 26875, 793693, 839466, 5911504, 823167, 34618839, 43355477, 557921883, 319021273, 1268249798, 940128873

Basic calculations (n = 28378420)

Multiplication

n×y
n×2 56756840
n×3 85135260
n×4 113513680
n×5 141892100

Division

n÷y
n÷2 14189210
n÷3 9459473.3333333
n÷3 7094605
n÷5 5675684

Exponentiation

ny
n2 805334721696400
n3 2.2854126972884E+22
n4 6.4856401396982E+29
n5 1.8405221985321E+37

Nth Root

y√n
2√n 5327.1399455993
3√n 305.02076361376
4√n 72.987258789458
5√n 30.945509848949

Divisors of 28378420

1, 2, 4, 35, 61, 70, 122, 140, 244, 2135, 3323, 4270, 6646, 8540, 13292, 116305, 202703, 232610, 405406, 465220, 810812, 7094605, 14189210, 28378420

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28378419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28378420 can be divided by 24 positive divisors. The sum of these divisors (counting 28378420) is 1, the average is 0.041666666666667.

Base conversion 28378420

Base System Value
2 Binary 1101100010000010100110100
3 Ternary 1222101202212121
4 Quaternary 1230100110310
5 Quinary 24231102140
6 Senary 2452125324
8 Octal 154202464
10 Decimal 28378420
12 Duodecimal 9606844
16 Hexadecimal 1b10534
20 Vigesimal 8h7610
36 Base36 gw8xg

Cryptographic Hash Functions

md5 7ba671bec9c8e11cfa2c0d1c0c140726
sha1 9084de86ccdf88aafec59e6e6fa4002659def9c7
sha256 1d53dd4ff858ed704fc634bcf9a18798a7fb391b7a0cfc130f09cd2274c00ced
sha512 87c1c9b37d65e0270c3f8280ec25b38564d78bd513a6ffd97846052d52ede96074f4752553991508a14711f6701f016b34b45705ad7483104e3004dbd2e707ae
ripemd-160 e7d7552c4f0d7f300a9c108179771e8e06486bc3

28378420 as geometric shapes

Circle

Radius = n
Diameter 56756840
Circumference 178306871.58497
Area 2.5300336453622E+15

Sphere

Radius = n
Volume 9.5731143202959E+22
Surface area 1.0120134581449E+16
Circumference 178306871.58497

Square

Length = n
Perimeter 113513680
Area 805334721696400
Diagonal 40133146.44272

Cube

Length = n
Surface area 4832008330178400
Volume 2.2854126972884E+22
Space diagonal 49152865.278529

Equilateral Triangle

Length = n
Perimeter 85135260
Area 3.4872016376938E+14
Altitude 24576432.639264

Triangular Pyramid

Length = n
Surface area 3.4872016376938E+14
Volume 2.6933846934374E+21
Height 13377715.480907