28390047 (number)

28390047 is an odd 8-digits composite number following 28390046 and preceding 28390048. In scientific notation, it is written as 2.8390047 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 15368832 positive integers (up to 28390047) that are relatively prime to 28390047.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8390047 × 10^7
Engineering notation 2.8390047 × 10^6

Prime Factorization of 28390047

Prime Factorization 21 × 19 × 71153

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28390047
Product of the distinct prime numbers

The prime factorization of 28390047 is 21 × 19 × 71153. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28390047)

Multiplication

n×y
n×2 56780094
n×3 85170141
n×4 113560188
n×5 141950235

Division

n÷y
n÷2 14195023.5
n÷3 9463349
n÷3 7097511.75
n÷5 5678009.4

Exponentiation

ny
n2 805994768662209
n3 2.2882229364074E+22
n4 6.4962756711085E+29
n5 1.8442957162773E+37

Nth Root

y√n
2√n 5328.231132374
3√n 305.06241488942
4√n 72.994733593418
5√n 30.948045187358

Divisors of 28390047

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 -28390046
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 28390047 can be divided by 8 positive divisors. The sum of these divisors (counting 28390047) is 1, the average is 0.125.

Base conversion 28390047

Base System Value
2 Binary 1101100010011001010011111
3 Ternary 1222102100211020
4 Quaternary 1230103022133
5 Quinary 24231440142
6 Senary 2452255223
8 Octal 154231237
10 Decimal 28390047
12 Duodecimal 9611513
16 Hexadecimal 1b1329f
20 Vigesimal 8h8f27
36 Base36 gwhwf

Cryptographic Hash Functions

md5 adad866356d6f85bddc8b46ed9b9360f
sha1 696cbc16c4ac2fc31376ff9ecdd2bb9725970357
sha256 f851a95703d2838e8b8637a7ff2bd659aece6270cdd70e93821a9e3c89f00eb9
sha512 16a1006cbc16b0b140bf8178c3b4fdf8e960bc0c34a2a92c3d45a14e57fc266a10a9e09ad342be501a511cd14395493011a2996b54b50390f0e51eab4a9c442f
ripemd-160 8c1e2ae47ba020b96514c19051c7550ccd708356

28390047 as geometric shapes

Circle

Radius = n
Diameter 56780094
Circumference 178379926.18054
Area 2.532107244061E+15

Sphere

Radius = n
Volume 9.584885822391E+22
Surface area 1.0128428976244E+16
Circumference 178379926.18054

Square

Length = n
Perimeter 113560188
Area 805994768662209
Diagonal 40149589.50381

Cube

Length = n
Surface area 4835968611973254
Volume 2.2882229364074E+22
Space diagonal 49173003.833268

Equilateral Triangle

Length = n
Perimeter 85170141
Area 3.4900597248942E+14
Altitude 24586501.916634

Triangular Pyramid

Length = n
Surface area 3.4900597248942E+14
Volume 2.6966965920005E+21
Height 13383196.50127