28492890 is an even 8-digits composite number following 28492889
and preceding 28492891 . In scientific notation, it is written as 2.8492890 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 7523520 positive integers (up to 28492890) that are relatively prime to 28492890.
28492890 has 32 divisors, whose sum is 69054336
The reverse of 28492890 is 09829482
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million four hundred ninety-two thousand eight hundred ninety
Scientific notation
2.8492890 × 10^7
Engineering notation
2.8492890 × 10^6
Prime Factorization
2 × 3 × 5 × 103 × 9221
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28492890
Product of the distinct prime numbers
The prime factorization of 28492890 is 2 × 3 × 5 × 103 × 9221.
Since it has a total of 5 prime factors.
7 , 10 , 23 , 71 , 773 , 180 , 6089 , 5806 , 60461 , 6642 , 332395 , 716604 , 764927 , 3151821 , 4149140 , 5270965 , 712090288 , 405247885 , 1400564786 , 747616204
n×2
56985780
n×3
85478670
n×4
113971560
n×5
142464450
n÷2
14246445
n÷3
9497630
n÷3
7123222.5
n÷5
5698578
n2
811844780552100
n3
2.3131804029345E+22
n4
6.5909194770969E+29
n5
1.8779434365978E+37
2 √n
5337.8731719665
3 √n
305.43033404585
4 √n
73.060749872736
5 √n
30.97043463916
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 103 , 206 , 309 , 515 , 618 , 1030 , 1545 , 3090 , 9221 , 18442 , 27663 , 46105 , 55326 , 92210 , 138315 , 276630 , 949763 , 1899526 , 2849289 , 4748815 , 5698578 , 9497630 , 14246445 , 28492890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28492889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28492890 can be divided by 32 positive divisors.
The sum of these divisors (counting 28492890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100101100010001011010
3
Ternary
1222121120220020
4
Quaternary
1230230101122
5
Quinary
24243233030
6
Senary
2454411310
8
Octal
154542132
10
Decimal
28492890
12
Duodecimal
9660b36
16
Hexadecimal
1b2c45a
20
Vigesimal
8i1c4a
36
Base36
gyp96
md5
58ebe4722b5fee8808e424778268b4b6
sha1
3732475b97f1a1d0d7a6c8e009da03e9452319f9
sha256
79514c6ecd4c89a5a0544c3e388fde10f3a59a9c9db3658689a0723bcd7fe21e
sha512
1550c36ab9d14fc4288f3497daabe4453bc4139bbf40ac2a0481ea513bc71a0b7e584284f85f4aca18588e9188972cbd237cb029bf8c39d1c4aad418c1d59a57
ripemd-160
ae470a500cfdf8a3ad690045805330cd05e5918f
Diameter
56985780
Circumference
179026107.80708
Area
2.5504855984377E+15
Volume
9.6894274137159E+22
Surface area
1.0201942393751E+16
Circumference
179026107.80708
Perimeter
113971560
Area
811844780552100
Diagonal
40295031.469205
Surface area
4871068683312600
Volume
2.3131804029345E+22
Space diagonal
49351133.134471
Perimeter
85478670
Area
3.5153910194396E+14
Altitude
24675566.567236
Surface area
3.5153910194396E+14
Volume
2.7261092483714E+21
Height
13431677.156402