40217821 is an odd 8-digits composite number following 40217820
and preceding 40217822 . In scientific notation, it is written as 4.0217821 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 34472412 positive integers (up to 40217821) that are relatively prime to 40217821.
40217821 has 4 divisors, whose sum is 45963232
The reverse of 40217821 is 12871204
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
forty million two hundred seventeen thousand eight hundred twenty-one
Scientific notation
4.0217821 × 10^7
Engineering notation
4.0217821 × 10^6
Prime Factorization
7 × 5745403
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
40217821
Product of the distinct prime numbers
The prime factorization of 40217821 is 7 × 5745403.
Since it has a total of 2 prime factors.
6 , 2 , 4 , 6 , 976 , 784 , 638 , 7299 , 438 , 33148 , 735837 , 849363 , 5629521 , 6237076 , 79953521 , 62733745 , 930785772 , 545017421 , 3482657731 , 4982126585
n×2
80435642
n×3
120653463
n×4
160871284
n×5
201089105
n÷2
20108910.5
n÷3
13405940.333333
n÷3
10054455.25
n÷5
8043564.2
n2
1617473125988041
n3
6.5051244653297E+22
n4
2.6162193132935E+30
n5
1.0521864003878E+38
2 √n
6341.7522026645
3 √n
342.61484702343
4 √n
79.635119153954
5 √n
33.180559684982
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-40217820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 40217821 can be divided by 4 positive divisors.
The sum of these divisors (counting 40217821) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011001011010110011011101
3
Ternary
2210200021110221
4
Quaternary
2121122303131
5
Quinary
40243432241
6
Senary
3554001341
8
Octal
231326335
10
Decimal
40217821
12
Duodecimal
11576251
16
Hexadecimal
265acdd
20
Vigesimal
cb74b1
36
Base36
ny09p
md5
c9a820b64cd1aa0de25e566872b0341c
sha1
fe58220a58d274bd5b1c6de1898ce851786b24a0
sha256
7e125b7a08bef5d8c680bb941b0780d37d7e4692a788fad035cc7d80ae51ed25
sha512
387bfe8f0ad83c4a39a6f228e1b5ee52c2d5d26c0e39dfb6a0c3d5baaa2c89be53405509f0d982287699428b76fe474963a494136d0bb9128d31355fe323f9de
ripemd-160
e6ac619238ebaa10df3dfb25e92b2aa525d9e979
Diameter
80435642
Circumference
252696021.99398
Area
5.0814416899829E+15
Volume
2.724860164129E+23
Surface area
2.0325766759932E+16
Circumference
252696021.99398
Perimeter
160871284
Area
1617473125988041
Diagonal
56876587.907293
Surface area
9704838755928246
Volume
6.5051244653297E+22
Space diagonal
69659309.341711
Perimeter
120653463
Area
7.0038640852214E+14
Altitude
34829654.670855
Surface area
7.0038640852214E+14
Volume
7.666362703162E+21
Height
18958862.635764