28992087 is an odd 8-digits composite number following 28992086
and preceding 28992088 . In scientific notation, it is written as 2.8992087 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 19206720 positive integers (up to 28992087) that are relatively prime to 28992087.
28992087 has 24 divisors, whose sum is 43701840
The reverse of 28992087 is 78029982
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million nine hundred ninety-two thousand eighty-seven
Scientific notation
2.8992087 × 10^7
Engineering notation
2.8992087 × 10^6
Prime Factorization
9 × 3 × 9 × 229 × 521
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3221343
Product of the distinct prime numbers
The prime factorization of 28992087 is 9 × 3 × 9 × 229 × 521.
Since it has a total of 5 prime factors.
2 , 10 , 32 , 12 , 149 , 337 , 884 , 3156 , 63866 , 84637 , 38739 , 762092 , 9258417 , 6520433 , 17636684 , 21628820 , 610566834 , 594937084 , 850704523 , 2149149980
n×2
57984174
n×3
86976261
n×4
115968348
n×5
144960435
n÷2
14496043.5
n÷3
9664029
n÷3
7248021.75
n÷5
5798417.4
n2
840541108615569
n3
2.4369040948059E+22
n4
7.0650935527269E+29
n5
2.048318069438E+37
2 √n
5384.430053404
3 √n
307.20373606906
4 √n
73.378675740326
5 √n
31.07820276488
1 , 3 , 9 , 27 , 81 , 229 , 243 , 521 , 687 , 1563 , 2061 , 4689 , 6183 , 14067 , 18549 , 42201 , 55647 , 119309 , 126603 , 357927 , 1073781 , 3221343 , 9664029 , 28992087
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28992086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28992087 can be divided by 24 positive divisors.
The sum of these divisors (counting 28992087) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110100110001001010111
3
Ternary
2000112221200000
4
Quaternary
1232212021113
5
Quinary
24410221322
6
Senary
2513222343
8
Octal
156461127
10
Decimal
28992087
12
Duodecimal
98619b3
16
Hexadecimal
1ba6257
20
Vigesimal
914047
36
Base36
h9efr
md5
853aa726f74aa0b674930e528b9839bb
sha1
be369da007df91d15dd298f8dbe52803ad156e26
sha256
2a7cd2c4ffdee2b445312f14fa41113bf1c9cb55a47e193af6d93b850d6c5feb
sha512
03d08ae02bab46d0fa798cace3aa4db4f99b63d08b7ae73e0e099d1cce9219d53573ee14d92e97b68ad0c59361592181596b5aa8ed83c5696cfda369afd5ba7e
ripemd-160
5dc9c17b60cc1f28f9154ffc1487f2bf46900de7
Diameter
57984174
Circumference
182162655.06287
Area
2.6406377718669E+15
Volume
1.0207680002327E+23
Surface area
1.0562551087468E+16
Circumference
182162655.06287
Perimeter
115968348
Area
840541108615569
Diagonal
41001002.636901
Surface area
5043246651693414
Volume
2.4369040948059E+22
Space diagonal
50215767.701457
Perimeter
86976261
Area
3.6396497649311E+14
Altitude
25107883.850729
Surface area
3.6396497649311E+14
Volume
2.8719190175642E+21
Height
13667000.878967