28902261 is an odd 8-digits composite number following 28902260
and preceding 28902262 . In scientific notation, it is written as 2.8902261 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 17280000 positive integers (up to 28902261) that are relatively prime to 28902261.
28902261 has 32 divisors, whose sum is 42771456
The reverse of 28902261 is 16220982
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million nine hundred two thousand two hundred sixty-one
Scientific notation
2.8902261 × 10^7
Engineering notation
2.8902261 × 10^6
Prime Factorization
3 × 101 × 17 × 31 × 181
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28902261
Product of the distinct prime numbers
The prime factorization of 28902261 is 3 × 101 × 17 × 31 × 181.
Since it has a total of 5 prime factors.
7 , 9 , 39 , 87 , 164 , 523 , 521 , 2678 , 96710 , 4553 , 302185 , 57134 , 7614172 , 9844290 , 60705221 , 26400320 , 137173673 , 86402071 , 1335101320 , 4480482998
n×2
57804522
n×3
86706783
n×4
115609044
n×5
144511305
n÷2
14451130.5
n÷3
9634087
n÷3
7225565.25
n÷5
5780452.2
n2
835340690912121
n3
2.4143234672662E+22
n4
6.9779406989354E+29
n5
2.0167826332315E+37
2 √n
5376.0823096378
3 √n
306.88613870799
4 √n
73.321772412004
5 √n
31.05892097393
1 , 3 , 17 , 31 , 51 , 93 , 101 , 181 , 303 , 527 , 543 , 1581 , 1717 , 3077 , 3131 , 5151 , 5611 , 9231 , 9393 , 16833 , 18281 , 53227 , 54843 , 95387 , 159681 , 286161 , 310777 , 566711 , 932331 , 1700133 , 9634087 , 28902261
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
-28902260
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 28902261 can be divided by 32 positive divisors.
The sum of these divisors (counting 28902261) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110010000001101110101
3
Ternary
2000101101110010
4
Quaternary
1232100031311
5
Quinary
24344333021
6
Senary
2511250433
8
Octal
156201565
10
Decimal
28902261
12
Duodecimal
9819a19
16
Hexadecimal
1b90375
20
Vigesimal
90cfd1
36
Base36
h7h4l
md5
6bc88ad082abe2964bdcafef9ec9bb9c
sha1
a791f3a5263caa38bfb680f7dde46ccbb242f69a
sha256
22984b77fa1948ece20e89152c23bf9558bbfef9dbe8b3ab5dab1f0d7109e4ed
sha512
f9003763cb563b69e7dd3ff7092a9d7a234dde95a1ae735415945819cdd0ae7452957b4ea60e1eb5a63673aca0516043bc4e5c0c8ec5b09b2e1aca75b8310a56
ripemd-160
a13cd306fb9451a40620788ecec78769586222a9
Diameter
57804522
Circumference
181598261.65947
Area
2.6243001778141E+15
Volume
1.0113094490871E+23
Surface area
1.0497200711257E+16
Circumference
181598261.65947
Perimeter
115609044
Area
835340690912121
Diagonal
40873969.489447
Surface area
5012044145472726
Volume
2.4143234672662E+22
Space diagonal
50060184.505616
Perimeter
86706783
Area
3.6171312957237E+14
Altitude
25030092.252808
Surface area
3.6171312957237E+14
Volume
2.845307492803E+21
Height
13624656.496482