28496989 is an odd 8-digits composite number following 28496988
and preceding 28496990 . In scientific notation, it is written as 2.8496989 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 28083216 positive integers (up to 28496989) that are relatively prime to 28496989.
28496989 has 8 divisors, whose sum is 28913760
The reverse of 28496989 is 98969482
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
twenty-eight million four hundred ninety-six thousand nine hundred eighty-nine
Scientific notation
2.8496989 × 10^7
Engineering notation
2.8496989 × 10^6
Prime Factorization
107 × 229 × 1163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28496989
Product of the distinct prime numbers
The prime factorization of 28496989 is 107 × 229 × 1163.
Since it has a total of 3 prime factors.
7 , 7 , 17 , 74 , 476 , 160 , 930 , 8993 , 32265 , 65325 , 624310 , 251125 , 9447300 , 1906916 , 36937120 , 53485758 , 822819153 , 253209798 , 8973305922 , 3933694645
n×2
56993978
n×3
85490967
n×4
113987956
n×5
142484945
n÷2
14248494.5
n÷3
9498996.3333333
n÷3
7124247.25
n÷5
5699397.8
n2
812078382066121
n3
2.3141788720876E+22
n4
6.5947129861913E+29
n5
1.8792946342565E+37
2 √n
5338.257112579
3 √n
305.44497979207
4 √n
73.063377369096
5 √n
30.971325672026
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28496988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28496989 can be divided by 8 positive divisors.
The sum of these divisors (counting 28496989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100101101010001011101
3
Ternary
1222121210112001
4
Quaternary
1230231101131
5
Quinary
24243400424
6
Senary
2454442301
8
Octal
154552135
10
Decimal
28496989
12
Duodecimal
9663391
16
Hexadecimal
1b2d45d
20
Vigesimal
8i2299
36
Base36
gysf1
md5
0ba498fd035fe5daef42c14807d1377e
sha1
5820f0003122a4e666c29f06f8e6d8d3ed75d2b7
sha256
e91ff6c0c6f908a0349d717f3a6ada070c1e187d56a463e914b3c5acf1ac5793
sha512
eae9ecd7735b901e4f91593ea002376570f879d41bd3396524eb808838220ad7e5fb3d5442de46c83a5a003fa4b4712570db7236914f33611bf13a627c1ac4a3
ripemd-160
edf8de12c8a71d0cac3edda5b29d8f01b27d41b7
Diameter
56993978
Circumference
179051862.58366
Area
2.551219479238E+15
Volume
9.6936097915242E+22
Surface area
1.0204877916952E+16
Circumference
179051862.58366
Perimeter
113987956
Area
812078382066121
Diagonal
40300828.330597
Surface area
4872470292396726
Volume
2.3141788720876E+22
Space diagonal
49358232.810731
Perimeter
85490967
Area
3.5164025436671E+14
Altitude
24679116.405366
Surface area
3.5164025436671E+14
Volume
2.727285955553E+21
Height
13433609.443532