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.
28017978 has 16 divisors, whose sum is 56712096
The reverse of 28017978 is 87971082
Previous prime number is 56261
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million seventeen thousand nine hundred seventy-eight
Scientific notation
2.8017978 × 10^7
Engineering notation
2.8017978 × 10^6
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.
1 , 9 , 1 , 85 , 521 , 143 , 8306 , 4229 , 61923 , 50634 , 821033 , 234026 , 6861406 , 9802059 , 4732467 , 91010017 , 448922130 , 594483628 , 7047173936 , 3343196725
n×2
56035956
n×3
84053934
n×4
112071912
n×5
140089890
n÷2
14008989
n÷3
9339326
n÷3
7004494.5
n÷5
5603595.6
n2
785007091208484
n3
2.1994311411323E+22
n4
6.1623613324761E+29
n5
1.7265690424136E+37
2 √n
5293.2011108591
3 √n
303.72387351704
4 √n
72.754388945679
5 √n
30.866497941336
1 , 2 , 3 , 6 , 83 , 166 , 249 , 498 , 56261 , 112522 , 168783 , 337566 , 4669663 , 9339326 , 14008989 , 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
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
md5
98b064dc7e13fdec43b022942852b7f1
sha1
822f56a8b49bab6d1b21569c3fe8449e1b1a0d31
sha256
37e19b1ab695f4182450c698bb941a9655966a94da65a834c0e51f312074eb29
sha512
a205b37c2e1d63c6531420626734f729e5898b9b4f911e9c808738f5108d8b9e29fc478c6ed9464f094a684f7c37cb30ea55d67774996cd9f762b40e67ec6fef
ripemd-160
2b2243aa6120de9a10c4559d1b91af762fc77570
Diameter
56035956
Circumference
176042147.70648
Area
2.4661725107565E+15
Volume
9.2129556200773E+22
Surface area
9.8646900430259E+15
Circumference
176042147.70648
Perimeter
112071912
Area
785007091208484
Diagonal
39623404.477871
Surface area
4710042547250904
Volume
2.1994311411323E+22
Space diagonal
48528561.421347
Perimeter
84053934
Area
3.3991804156874E+14
Altitude
24264280.710674
Surface area
3.3991804156874E+14
Volume
2.5920544577459E+21
Height
13207801.492624