28542281 is an odd 8-digits composite number following 28542280
and preceding 28542282 . In scientific notation, it is written as 2.8542281 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors.
There are 27769536 positive integers (up to 28542281) that are relatively prime to 28542281.
28542281 has 6 divisors, whose sum is 29335950
The reverse of 28542281 is 18224582
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million five hundred forty-two thousand two hundred eighty-one
Scientific notation
2.8542281 × 10^7
Engineering notation
2.8542281 × 10^6
Prime Factorization
37 × 37 × 20849
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
771413
Product of the distinct prime numbers
The prime factorization of 28542281 is 37 × 37 × 20849.
Since it has a total of 3 prime factors.
1 , 6 , 72 , 49 , 299 , 391 , 6488 , 8271 , 21354 , 97558 , 333346 , 484703 , 8226938 , 5975455 , 97800807 , 87322364 , 545996083 , 574980374 , 2050736551 , 9496293871
n×2
57084562
n×3
85626843
n×4
114169124
n×5
142711405
n÷2
14271140.5
n÷3
9514093.6666667
n÷3
7135570.25
n÷5
5708456.2
n2
814661804682961
n3
2.3252306149228E+22
n4
6.636738560093E+29
n5
1.8942765690571E+37
2 √n
5342.4976368736
3 √n
305.60671490618
4 √n
73.092391101082
5 √n
30.981164341924
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28542280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28542281 can be divided by 6 positive divisors.
The sum of these divisors (counting 28542281) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101100111000010101001001
3
Ternary
1222201002122112
4
Quaternary
1230320111021
5
Quinary
24301323111
6
Senary
2455432105
8
Octal
154702511
10
Decimal
28542281
12
Duodecimal
9685635
16
Hexadecimal
1b38549
20
Vigesimal
8i7fe1
36
Base36
gzrd5
md5
5451522b21aff9050b46608e1bf6e052
sha1
bb778586e4eaa4e7e25b25ef356b947aa8b79733
sha256
de044ab17e7839c086e056f15b15ac0882462aefc67b5c5aae7c99ec571a4b8e
sha512
11d18dc506739c324a9152952c67396a3b0665aa9a9f453a7254a7c4f77b3d8ca750bbefa78f1c643bedce6034f70e3f42f320deb76264b699d60d7e2bf5fca6
ripemd-160
cd776d33e32d57114b2e942be8d7177ed327e8f2
Diameter
57084562
Circumference
179336440.61259
Area
2.5593355407522E+15
Volume
9.7399032236581E+22
Surface area
1.0237342163009E+16
Circumference
179336440.61259
Perimeter
114169124
Area
814661804682961
Diagonal
40364880.891264
Surface area
4887970828097766
Volume
2.3252306149228E+22
Space diagonal
49436680.855908
Perimeter
85626843
Area
3.5275890917416E+14
Altitude
24718340.427954
Surface area
3.5275890917416E+14
Volume
2.7403105593908E+21
Height
13454960.297088