28017978 (number)

28017978 is an even 8-digits composite number following 28017977 and preceding 28017979. In scientific notation, it is written as 2.8017978 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 9133488 positive integers (up to 28017978) that are relatively prime to 28017978.

Interesting facts

Basic properties

Name

Name twenty-eight million seventeen thousand nine hundred seventy-eight

Notation

Scientific notation 2.8017978 × 10^7
Engineering notation 2.8017978 × 10^6

Prime Factorization of 28017978

Prime Factorization 2 × 3 × 56261 × 83

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28017978
Product of the distinct prime numbers

The prime factorization of 28017978 is 2 × 3 × 56261 × 83. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28017978)

Multiplication

n×y
n×2 56035956
n×3 84053934
n×4 112071912
n×5 140089890

Division

n÷y
n÷2 14008989
n÷3 9339326
n÷3 7004494.5
n÷5 5603595.6

Exponentiation

ny
n2 785007091208484
n3 2.1994311411323E+22
n4 6.1623613324761E+29
n5 1.7265690424136E+37

Nth Root

y√n
2√n 5293.2011108591
3√n 303.72387351704
4√n 72.754388945679
5√n 30.866497941336

Divisors of 28017978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28017977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28017978 can be divided by 16 positive divisors. The sum of these divisors (counting 28017978) is 1, the average is 0.0625.

Base conversion 28017978

Base System Value
2 Binary 1101010111000010100111010
3 Ternary 1221201110102220
4 Quaternary 1222320110322
5 Quinary 24133033403
6 Senary 2440304510
8 Octal 152702472
10 Decimal 28017978
12 Duodecimal 9472136
16 Hexadecimal 1ab853a
20 Vigesimal 8f24ii
36 Base36 goit6

Cryptographic Hash Functions

md5 98b064dc7e13fdec43b022942852b7f1
sha1 822f56a8b49bab6d1b21569c3fe8449e1b1a0d31
sha256 37e19b1ab695f4182450c698bb941a9655966a94da65a834c0e51f312074eb29
sha512 a205b37c2e1d63c6531420626734f729e5898b9b4f911e9c808738f5108d8b9e29fc478c6ed9464f094a684f7c37cb30ea55d67774996cd9f762b40e67ec6fef
ripemd-160 2b2243aa6120de9a10c4559d1b91af762fc77570

28017978 as geometric shapes

Circle

Radius = n
Diameter 56035956
Circumference 176042147.70648
Area 2.4661725107565E+15

Sphere

Radius = n
Volume 9.2129556200773E+22
Surface area 9.8646900430259E+15
Circumference 176042147.70648

Square

Length = n
Perimeter 112071912
Area 785007091208484
Diagonal 39623404.477871

Cube

Length = n
Surface area 4710042547250904
Volume 2.1994311411323E+22
Space diagonal 48528561.421347

Equilateral Triangle

Length = n
Perimeter 84053934
Area 3.3991804156874E+14
Altitude 24264280.710674

Triangular Pyramid

Length = n
Surface area 3.3991804156874E+14
Volume 2.5920544577459E+21
Height 13207801.492624