28763985 is an odd 8-digits composite number following 28763984
and preceding 28763986 . In scientific notation, it is written as 2.8763985 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 14925888 positive integers (up to 28763985) that are relatively prime to 28763985.
28763985 has 16 divisors, whose sum is 47267136
The reverse of 28763985 is 58936782
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million seven hundred sixty-three thousand nine hundred eighty-five
Scientific notation
2.8763985 × 10^7
Engineering notation
2.8763985 × 10^6
Prime Factorization
3 × 5 × 37 × 51827
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28763985
Product of the distinct prime numbers
The prime factorization of 28763985 is 3 × 5 × 37 × 51827.
Since it has a total of 4 prime factors.
9 , 2 , 31 , 38 , 451 , 567 , 4934 , 7339 , 69098 , 5250 , 755006 , 295386 , 7083874 , 7787905 , 2844972 , 93726147 , 160082258 , 116090522 , 8430652053 , 6400889461
n×2
57527970
n×3
86291955
n×4
115055940
n×5
143819925
n÷2
14381992.5
n÷3
9587995
n÷3
7190996.25
n÷5
5752797
n2
827366833080225
n3
2.3798367176217E+22
n4
6.845358764812E+29
n5
1.9689979683067E+37
2 √n
5363.2065968038
3 √n
306.39594820543
4 √n
73.233916983894
5 √n
31.029145131662
1 , 3 , 5 , 15 , 37 , 111 , 185 , 555 , 51827 , 155481 , 259135 , 777405 , 1917599 , 5752797 , 9587995 , 28763985
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
-28763984
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 28763985 can be divided by 16 positive divisors.
The sum of these divisors (counting 28763985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101110011101010001
3
Ternary
2000010100202210
4
Quaternary
1231232131101
5
Quinary
24330421420
6
Senary
2504302333
8
Octal
155563521
10
Decimal
28763985
12
Duodecimal
97719a9
16
Hexadecimal
1b6e751
20
Vigesimal
8jf9j5
36
Base36
h4ifl
md5
b8e8f1df8a8c6b6630def4022cd6ab53
sha1
be7fc14864fd647932d1be0ab065a3a0e0c473b8
sha256
31720af2350b3f811840bff8071f04c1cb4d5b6886cf88aaf9e8ae03a6f87bd6
sha512
af9797e7578f28e26767f7e45251a42ef45688936d5cfbd88c22b370a9d0867a4e6c090f7e7204a16908b05d0c03ebf8863f912e0c2d5e4235f2e31dd4d0b800
ripemd-160
804f41cee49a3ba80f27c57208d117b256448302
Diameter
57527970
Circumference
180729447.92793
Area
2.5992495646287E+15
Volume
9.9686367317648E+22
Surface area
1.0396998258515E+16
Circumference
180729447.92793
Perimeter
115055940
Area
827366833080225
Diagonal
40678417.694896
Surface area
4964200998481350
Volume
2.3798367176217E+22
Space diagonal
49820683.448149
Perimeter
86291955
Area
3.5826034784808E+14
Altitude
24910341.724075
Surface area
3.5826034784808E+14
Volume
2.8046644685784E+21
Height
13559472.564965