40781978 is an even 8-digits composite number following 40781977
and preceding 40781979 . In scientific notation, it is written as 4.0781978 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 20309500 positive integers (up to 40781978) that are relatively prime to 40781978.
40781978 has 8 divisors, whose sum is 61417440
The reverse of 40781978 is 87918704
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
forty million seven hundred eighty-one thousand nine hundred seventy-eight
Scientific notation
4.0781978 × 10^7
Engineering notation
4.0781978 × 10^6
Prime Factorization
2 × 251 × 81239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
40781978
Product of the distinct prime numbers
The prime factorization of 40781978 is 2 × 251 × 81239.
Since it has a total of 3 prime factors.
10 , 2 , 8 , 38 , 723 , 495 , 2470 , 3983 , 25487 , 45623 , 827049 , 73248 , 1496434 , 5946768 , 17826748 , 74148657 , 120425973 , 468902841 , 7356008489 , 2276529704
n×2
81563956
n×3
122345934
n×4
163127912
n×5
203909890
n÷2
20390989
n÷3
13593992.666667
n÷3
10195494.5
n÷5
8156395.6
n2
1663169729592484
n3
6.7827351322507E+22
n4
2.7661335494327E+30
n5
1.1280839755803E+38
2 √n
6386.0768864773
3 √n
344.20942831448
4 √n
79.912933161519
5 √n
33.273130028805
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
-40781977
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 40781978 can be divided by 8 positive divisors.
The sum of these divisors (counting 40781978) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011011100100100010011010
3
Ternary
2211201221100122
4
Quaternary
2123210202122
5
Quinary
40420010403
6
Senary
4014033242
8
Octal
233444232
10
Decimal
40781978
12
Duodecimal
117a8822
16
Hexadecimal
26e489a
20
Vigesimal
ceheii
36
Base36
oa3kq
md5
a693cfd7dbd304689f0d61467d28818c
sha1
380b042357cab6832bad44c06f572bec9d2a049a
sha256
67eba7eac9f26431010567c8328207fa15e62661349557449e4e37a36d9f385b
sha512
6b7cb44d63c6f83d61fd71553461366c4af1fd8e8a6866e70adf72064f1bccdb3b8ad63b6322ce54467bb731728d10a014b10834116434632a97f3059d24e2e9
ripemd-160
2558bee5082f43dcb8a519b12e5c7fc93f02242d
Diameter
81563956
Circumference
256240724.96732
Area
5.2250018041607E+15
Volume
2.8411454483632E+23
Surface area
2.0900007216643E+16
Circumference
256240724.96732
Perimeter
163127912
Area
1663169729592484
Diagonal
57674426.388001
Surface area
9979018377554904
Volume
6.7827351322507E+22
Space diagonal
70636457.929156
Perimeter
122345934
Area
7.2017361831619E+14
Altitude
35318228.964578
Surface area
7.2017361831619E+14
Volume
7.9935300116778E+21
Height
19224808.796