28438455 (number)

28438455 is an odd 8-digits composite number following 28438454 and preceding 28438456. In scientific notation, it is written as 2.8438455 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 15143328 positive integers (up to 28438455) that are relatively prime to 28438455.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand four hundred fifty-five

Notation

Scientific notation 2.8438455 × 10^7
Engineering notation 2.8438455 × 10^6

Prime Factorization of 28438455

Prime Factorization 15 × 919 × 2063

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28438455
Product of the distinct prime numbers

The prime factorization of 28438455 is 15 × 919 × 2063. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 69, 99, 727, 317, 9325, 8349, 87854, 28218, 300531, 775, 5621196, 9729473, 42696052, 41852377, 334987342, 885003228, 4745302340, 8804176300

Basic calculations (n = 28438455)

Multiplication

n×y
n×2 56876910
n×3 85315365
n×4 113753820
n×5 142192275

Division

n÷y
n÷2 14219227.5
n÷3 9479485
n÷3 7109613.75
n÷5 5687691

Exponentiation

ny
n2 808745722787025
n3 2.2999478843921E+22
n4 6.5406964412631E+29
n5 1.8600730141352E+37

Nth Root

y√n
2√n 5332.7717933547
3√n 305.23570421116
4√n 73.025829631403
5√n 30.958591927391

Divisors of 28438455

1, 15, 919, 2063, 13785, 30945, 1895897, 28438455

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438454
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438455 can be divided by 8 positive divisors. The sum of these divisors (counting 28438455) is 1, the average is 0.125.

Base conversion 28438455

Base System Value
2 Binary 1101100011110111110110111
3 Ternary 1222111211020010
4 Quaternary 1230132332313
5 Quinary 24240012310
6 Senary 2453311303
8 Octal 154367667
10 Decimal 28438455
12 Duodecimal 9635533
16 Hexadecimal 1b1efb7
20 Vigesimal 8heg2f
36 Base36 gxj93

Cryptographic Hash Functions

md5 81722d6336f7f622f24ca5fbc6b6905f
sha1 3d583bd2598e358d0f6bbb4ab1b89b9c6f1367c4
sha256 fdba0030102cc6e0eed702b494c9fd2916d9e2d4f8a35842bd66b52cc115dacc
sha512 040fcd668ad54768b2ce42daf2652f0e3b0ff2e75b0fd244e14d7ee264260470160b87f73ff56056f8d9199de75d72f72e55381b836b52aed293acb4d2b7dd3e
ripemd-160 bde62551de0d030fcadd5005c7a293145333b845

28438455 as geometric shapes

Circle

Radius = n
Diameter 56876910
Circumference 178684082.61489
Area 2.5407496213299E+15

Sphere

Radius = n
Volume 9.6339991696609E+22
Surface area 1.016299848532E+16
Circumference 178684082.61489

Square

Length = n
Perimeter 113753820
Area 808745722787025
Diagonal 40218048.753937

Cube

Length = n
Surface area 4852474336722150
Volume 2.2999478843921E+22
Space diagonal 49256848.948761

Equilateral Triangle

Length = n
Perimeter 85315365
Area 3.5019717056779E+14
Altitude 24628424.474381

Triangular Pyramid

Length = n
Surface area 3.5019717056779E+14
Volume 2.7105145757155E+21
Height 13406016.251312