28689957 is an odd 8-digits composite number following 28689956
and preceding 28689958 . In scientific notation, it is written as 2.8689957 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 19041480 positive integers (up to 28689957) that are relatively prime to 28689957.
28689957 has 8 divisors, whose sum is 29173632
The reverse of 28689957 is 75998682
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
twenty-eight million six hundred eighty-nine thousand nine hundred fifty-seven
Scientific notation
2.8689957 × 10^7
Engineering notation
2.8689957 × 10^6
Prime Factorization
81 × 271 × 1307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28689957
Product of the distinct prime numbers
The prime factorization of 28689957 is 81 × 271 × 1307.
Since it has a total of 3 prime factors.
6 , 1 , 93 , 99 , 908 , 928 , 6367 , 5472 , 89222 , 11756 , 162423 , 359172 , 4208307 , 8259699 , 7028135 , 83635024 , 845352383 , 444086474 , 750866285 , 8379491803
n×2
57379914
n×3
86069871
n×4
114759828
n×5
143449785
n÷2
14344978.5
n÷3
9563319
n÷3
7172489.25
n÷5
5737991.4
n2
823113632661849
n3
2.3615094727182E+22
n4
6.7751605227379E+29
n5
1.9437906406545E+37
2 √n
5356.300682374
3 √n
306.13287193817
4 √n
73.186752096086
5 √n
31.01315712516
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
-28689956
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 28689957 can be divided by 8 positive divisors.
The sum of these divisors (counting 28689957) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101011100011000100101
3
Ternary
1222222121020000
4
Quaternary
1231130120211
5
Quinary
24321034312
6
Senary
2502531513
8
Octal
155343045
10
Decimal
28689957
12
Duodecimal
9736b99
16
Hexadecimal
1b5c625
20
Vigesimal
8j64hh
36
Base36
h2xb9
md5
1c51c1c81b6779825d5cea124f046886
sha1
5675ff5150915945d4df117a1910fd4c16bd3078
sha256
53912a657592419edf1530d7c0b70b56ca014048faed3d33cebcc8638deba942
sha512
61bb692aa24b3863e684e5c0a3ab1626eab01a4bfd4358e9d9ed8a3d12f7e82ff0550a8b68285e0d88c1febed8b098dac29e7e263c7cbc630c773fc46cf61198
ripemd-160
6f7a8097ba895b520ff81b5bedde3884baf96880
Diameter
57379914
Circumference
180264316.28601
Area
2.5858877414401E+15
Volume
9.8918677478324E+22
Surface area
1.034355096576E+16
Circumference
180264316.28601
Perimeter
114759828
Area
823113632661849
Diagonal
40573726.293301
Surface area
4938681795971094
Volume
2.3615094727182E+22
Space diagonal
49692463.190966
Perimeter
86069871
Area
3.5641865804323E+14
Altitude
24846231.595483
Surface area
3.5641865804323E+14
Volume
2.7830656033255E+21
Height
13524575.4311