28397780 (number)

28397780 is an even 8-digits composite number following 28397779 and preceding 28397781. In scientific notation, it is written as 2.8397780 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 10761120 positive integers (up to 28397780) that are relatively prime to 28397780.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-seven thousand seven hundred eighty

Notation

Scientific notation 2.8397780 × 10^7
Engineering notation 2.8397780 × 10^6

Prime Factorization of 28397780

Prime Factorization 2 × 2 × 5 × 19 × 74731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14198890
Product of the distinct prime numbers

The prime factorization of 28397780 is 2 × 2 × 5 × 19 × 74731. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 4, 65, 70, 543, 897, 515, 118, 36665, 11899, 863026, 793062, 2284707, 9333402, 91915932, 43723004, 501365902, 837977857, 3043373678, 4193693886

Basic calculations (n = 28397780)

Multiplication

n×y
n×2 56795560
n×3 85193340
n×4 113591120
n×5 141988900

Division

n÷y
n÷2 14198890
n÷3 9465926.6666667
n÷3 7099445
n÷5 5679556

Exponentiation

ny
n2 806433908928400
n3 2.2900932730289E+22
n4 6.5033564946954E+29
n5 1.8468088699793E+37

Nth Root

y√n
2√n 5328.9567459307
3√n 305.09011043472
4√n 72.99970373865
5√n 30.949730955351

Divisors of 28397780

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74731, 149462, 298924, 373655, 747310, 1419889, 1494620, 2839778, 5679556, 7099445, 14198890, 28397780

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 -28397779
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 28397780 can be divided by 24 positive divisors. The sum of these divisors (counting 28397780) is 1, the average is 0.041666666666667.

Base conversion 28397780

Base System Value
2 Binary 1101100010101000011010100
3 Ternary 1222102202102122
4 Quaternary 1230111003110
5 Quinary 24232212110
6 Senary 2452355112
8 Octal 154250324
10 Decimal 28397780
12 Duodecimal 9615a98
16 Hexadecimal 1b150d4
20 Vigesimal 8h9e90
36 Base36 gwnv8

Cryptographic Hash Functions

md5 0397ff9ef9868b2d9aca8738cfc12260
sha1 385f01b1480e60261eb88aa2da6e9df5df7afa7d
sha256 13b106d27d15ae54614b2be29e1f178aa82e71b8a98bc90f32420338fb4dac01
sha512 ce7d2413904731e1ab3caab322de9a038ae86d8ed67cf55e992afb5dda0d7f1facee029cfce66421d6fa7af09f5b6a884d7233288578206fc324f6d33f3d1083
ripemd-160 63d620a8cd147344897f2ad7f0304440d86091e1

28397780 as geometric shapes

Circle

Radius = n
Diameter 56795560
Circumference 178428514.05252
Area 2.5334868438952E+15

Sphere

Radius = n
Volume 9.5927202701106E+22
Surface area 1.0133947375581E+16
Circumference 178428514.05252

Square

Length = n
Perimeter 113591120
Area 806433908928400
Diagonal 40160525.617287

Cube

Length = n
Surface area 4838603453570400
Volume 2.2900932730289E+22
Space diagonal 49186397.782163

Equilateral Triangle

Length = n
Perimeter 85193340
Area 3.4919612580259E+14
Altitude 24593198.891082

Triangular Pyramid

Length = n
Surface area 3.4919612580259E+14
Volume 2.6989008048474E+21
Height 13386841.872429