42021681 is an odd 8-digits composite number following 42021680
and preceding 42021682 . In scientific notation, it is written as 4.2021681 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 25859184 positive integers (up to 42021681) that are relatively prime to 42021681.
42021681 has 12 divisors, whose sum is 60671088
The reverse of 42021681 is 18612024
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
forty-two million twenty-one thousand six hundred eighty-one
Scientific notation
4.2021681 × 10^7
Engineering notation
4.2021681 × 10^6
Prime Factorization
3 × 13 × 13 × 82883
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3232437
Product of the distinct prime numbers
The prime factorization of 42021681 is 3 × 13 × 13 × 82883.
Since it has a total of 4 prime factors.
7 , 8 , 41 , 82 , 258 , 495 , 806 , 4614 , 84784 , 74230 , 980839 , 996977 , 9700247 , 5110704 , 25783345 , 85812281 , 690537144 , 90470845 , 8607513128 , 3185773968
n×2
84043362
n×3
126065043
n×4
168086724
n×5
210108405
n÷2
21010840.5
n÷3
14007227
n÷3
10505420.25
n÷5
8404336.2
n2
1765821674065761
n3
7.4202795090477E+22
n4
3.1181261846004E+30
n5
1.3102890384703E+38
2 √n
6482.4132080576
3 √n
347.66246668663
4 √n
80.513434953787
5 √n
33.47300360688
1 , 3 , 13 , 39 , 169 , 507 , 82883 , 248649 , 1077479 , 3232437 , 14007227 , 42021681
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
-42021680
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 42021681 can be divided by 12 positive divisors.
The sum of these divisors (counting 42021681) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10100000010011001100110001
3
Ternary
2221001220220120
4
Quaternary
2200103030301
5
Quinary
41224143211
6
Senary
4100400453
8
Octal
240231461
10
Decimal
42021681
12
Duodecimal
120a6129
16
Hexadecimal
2813331
20
Vigesimal
d2ce41
36
Base36
p0o4x
md5
a4f05261b8d9a2abaa93ac1297459803
sha1
23657b63a447bb4fc5a254ebdc1136b87af0c3d0
sha256
bdecc93e33e8b036f0033bb7322cdf0cbc029ddcc270dbc2805348acdfed1f13
sha512
0a0d54b119b730564e178090caf82d4d9dbffd4cbb80323c92c2a692643e5d95ba82f51727cec4dbb2f55d6dfd18938a06f2907b97ddc19dfb5bf8a1b9c67bf5
ripemd-160
f0c3f2d608141c819045ead055a34163c8a5e789
Diameter
84043362
Circumference
264030008.64219
Area
5.5474923987946E+15
Volume
3.1081994124276E+23
Surface area
2.2189969595178E+16
Circumference
264030008.64219
Perimeter
168086724
Area
1765821674065761
Diagonal
59427631.183916
Surface area
10594930044394566
Volume
7.4202795090477E+22
Space diagonal
72783686.511452
Perimeter
126065043
Area
7.6462321414706E+14
Altitude
36391843.255726
Surface area
7.6462321414706E+14
Volume
8.7448832652454E+21
Height
19809210.394639