281628 is an even 6-digits composite number following 281627
and preceding 281629 . In scientific notation, it is written as 2.81628 × 10^5.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 93864 positive integers (up to 281628) that are relatively prime to 281628.
281628 has 12 divisors, whose sum is 547680
The reverse of 281628 is 826182
Previous prime number is 9
Is Prime? no
Number parity even
Number length 6
Sum of Digits 27
Digital Root 9
Name
two hundred eighty-one thousand six hundred twenty-eight
Scientific notation
2.81628 × 10^5
Engineering notation
2.81628 × 10^3
Prime Factorization
2 × 2 × 9 × 7823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
140814
Product of the distinct prime numbers
The prime factorization of 281628 is 2 × 2 × 9 × 7823.
Since it has a total of 4 prime factors.
1 , 9 , 32 , 36 , 35 , 17 , 2107 , 8935 , 55039 , 14525 , 994335 , 324701 , 974867 , 7844883 , 84818682 , 47482866 , 180987402 , 394562006 , 6086729914 , 6906397592
n×2
563256
n×3
844884
n×4
1126512
n×5
1408140
n÷2
140814
n÷3
93876
n÷3
70407
n÷5
56325.6
n2
79314330384
n3
22337136237385152
n4
6.2907630042623E+21
n5
1.7716550033644E+27
2 √n
530.68634804374
3 √n
65.547874018815
4 √n
23.036630570544
5 √n
12.300851234347
1 , 2 , 4 , 9 , 18 , 36 , 7823 , 15646 , 31292 , 70407 , 140814 , 281628
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-281627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 281628 can be divided by 12 positive divisors.
The sum of these divisors (counting 281628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000100110000011100
3
Ternary
112022022200
4
Quaternary
1010300130
5
Quinary
33003003
6
Senary
10011500
8
Octal
1046034
10
Decimal
281628
12
Duodecimal
116b90
16
Hexadecimal
44c1c
20
Vigesimal
1f418
36
Base36
61b0
md5
ca31bf027d4d530d74b08dc654731230
sha1
e9d1de50c9b3e9df2f8b0f81908fa77e49d2f8af
sha256
6b5aa088290d973fd8d9434f09f617910cf2edf166f95f2c45dba029aa13b102
sha512
39a79ef051233d24fce20c9b32057eb24887bffdbf5d4e02c44f77b62454906421e978c38d16fa1bcc7f778c319519ca5a3ea394cd31596296d27676c62c651e
ripemd-160
1c54afcade2e26f56fc61339181a8b2b7409fc97
Diameter
563256
Circumference
1769520.9116904
Area
249173317658.77
Volume
9.3565577474138E+16
Surface area
996693270635.07
Circumference
1769520.9116904
Perimeter
1126512
Area
79314330384
Diagonal
398282.13714401
Surface area
475885982304
Volume
22337136237385152
Space diagonal
487794.00483401
Perimeter
844884
Area
34344112498.348
Altitude
243897.002417
Surface area
34344112498.348
Volume
2.6324567509571E+15
Height
132760.71238134