40421905 is an odd 8-digits composite number following 40421904
and preceding 40421906 . In scientific notation, it is written as 4.0421905 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 32310768 positive integers (up to 40421905) that are relatively prime to 40421905.
40421905 has 8 divisors, whose sum is 48546432
The reverse of 40421905 is 50912404
Previous prime number is 1583
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
forty million four hundred twenty-one thousand nine hundred five
Scientific notation
4.0421905 × 10^7
Engineering notation
4.0421905 × 10^6
Prime Factorization
5 × 1583 × 5107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
40421905
Product of the distinct prime numbers
The prime factorization of 40421905 is 5 × 1583 × 5107.
Since it has a total of 3 prime factors.
6 , 6 , 16 , 21 , 487 , 753 , 345 , 5208 , 61552 , 40776 , 501614 , 676748 , 2076344 , 339306 , 47300160 , 43131465 , 962160940 , 651633407 , 4280059206 , 4069028885
n×2
80843810
n×3
121265715
n×4
161687620
n×5
202109525
n÷2
20210952.5
n÷3
13473968.333333
n÷3
10105476.25
n÷5
8084381
n2
1633930403829025
n3
6.6046579560188E+22
n4
2.6697285645569E+30
n5
1.079155144123E+38
2 √n
6357.8223473136
3 √n
343.19339873977
4 √n
79.735953918628
5 √n
33.214166269966
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
-40421904
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 40421905 can be divided by 8 positive divisors.
The sum of these divisors (counting 40421905) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011010001100101000010001
3
Ternary
2211001122102121
4
Quaternary
2122030220101
5
Quinary
40322000110
6
Senary
4002214241
8
Octal
232145021
10
Decimal
40421905
12
Duodecimal
11654381
16
Hexadecimal
268ca11
20
Vigesimal
cccef5
36
Base36
o2dqp
md5
d897d1c4e743b310de96bce8d946835e
sha1
66220a22671ea8d608e4ee32887d359d82b478bb
sha256
51e6a3206a789934a5b959a98d4d24418bdcca65cd5e9deeeee05aa636f19255
sha512
fcb61da66cfc66bf6820c4d5549d3176699721ec553a9e0c5c4b8c581ea61c3bfcea10df4cc057456dd3fc2ad178ac8ec114318cec1c99967ac131dd8f5d879e
ripemd-160
2e0930702ed9ff3eab4ae24634b87a1debd85ed5
Diameter
80843810
Circumference
253978319.58421
Area
5.1331437531463E+15
Volume
2.7665526552136E+23
Surface area
2.0532575012585E+16
Circumference
253978319.58421
Perimeter
161687620
Area
1633930403829025
Diagonal
57165206.267957
Surface area
9803582422974150
Volume
6.6046579560188E+22
Space diagonal
70012793.198722
Perimeter
121265715
Area
7.0751261886585E+14
Altitude
35006396.599361
Surface area
7.0751261886585E+14
Volume
7.7836640468644E+21
Height
19055068.755986