28489997 is an odd 8-digits composite number following 28489996
and preceding 28489998 . In scientific notation, it is written as 2.8489997 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 28469280 positive integers (up to 28489997) that are relatively prime to 28489997.
28489997 has 4 divisors, whose sum is 28510716
The reverse of 28489997 is 79998482
Previous prime number is 1481
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
twenty-eight million four hundred eighty-nine thousand nine hundred ninety-seven
Scientific notation
2.8489997 × 10^7
Engineering notation
2.8489997 × 10^6
Prime Factorization
1481 × 19237
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28489997
Product of the distinct prime numbers
The prime factorization of 28489997 is 1481 × 19237.
Since it has a total of 2 prime factors.
7 , 10 , 14 , 10 , 214 , 258 , 5089 , 1236 , 75871 , 66092 , 497471 , 830188 , 1329216 , 3786166 , 14927211 , 47854841 , 185466793 , 544153418 , 187627759 , 7836214010
n×2
56979994
n×3
85469991
n×4
113959988
n×5
142449985
n÷2
14244998.5
n÷3
9496665.6666667
n÷3
7122499.25
n÷5
5697999.4
n2
811679929060009
n3
2.312475874388E+22
n4
6.5882430723886E+29
n5
1.8769902536762E+37
2 √n
5337.6021770079
3 √n
305.41999649774
4 √n
73.058895262712
5 √n
30.969805702562
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28489996
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28489997 can be divided by 4 positive divisors.
The sum of these divisors (counting 28489997) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101011100100001101
3
Ternary
1222121102221002
4
Quaternary
1230223210031
5
Quinary
24243134442
6
Senary
2454350045
8
Octal
154534415
10
Decimal
28489997
12
Duodecimal
965b325
16
Hexadecimal
1b2b90d
20
Vigesimal
8i14jh
36
Base36
gyn0t
md5
3a04370a9862b1a279b3f6f685271ccb
sha1
a032da2fb2865d4422494a2f76f530a12d9e4b66
sha256
f5015980abc97a44faa7e9106c603ace3ac21b1415ac32a3cf21055f8a05505f
sha512
0c333f2e03b8d8359e7d1fa8dd06c9a29aa6b10ba0ad221550851fd506627bd57f108dce060a3b9c38aa82083de425477bd01f85211f51765cbdc61acbe8bc02
ripemd-160
de91aa64b3c6c6bb6cddcedd3935e907fbb55612
Diameter
56979994
Circumference
179007930.55199
Area
2.5499677022012E+15
Volume
9.6864762914412E+22
Surface area
1.0199870808805E+16
Circumference
179007930.55199
Perimeter
113959988
Area
811679929060009
Diagonal
40290940.149369
Surface area
4870079574360054
Volume
2.312475874388E+22
Space diagonal
49346122.311485
Perimeter
85469991
Area
3.5146771915396E+14
Altitude
24673061.155742
Surface area
3.5146771915396E+14
Volume
2.7252789535167E+21
Height
13430313.383123