215689904 is an even 9-digits composite number following 215689903
and preceding 215689905 . In scientific notation, it is written as 2.15689904 × 10^8.
The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors.
There are 107722368 positive integers (up to 215689904) that are relatively prime to 215689904.
215689904 has 20 divisors, whose sum is 418374264
The reverse of 215689904 is 409986512
Previous prime number is 937
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred fifteen million six hundred eighty-nine thousand nine hundred four
Scientific notation
2.15689904 × 10^8
Engineering notation
2.15689904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 937 × 14387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
26961238
Product of the distinct prime numbers
The prime factorization of 215689904 is 2 × 2 × 2 × 2 × 937 × 14387.
Since it has a total of 6 prime factors.
5 , 9 , 29 , 86 , 227 , 808 , 2680 , 3284 , 94656 , 7612 , 187650 , 557348 , 2030400 , 632983 , 86847938 , 51666328 , 777466320 , 499006722 , 1672630355 , 3825684436
n×2
431379808
n×3
647069712
n×4
862759616
n×5
1078449520
n÷2
107844952
n÷3
71896634.666667
n÷3
53922476
n÷5
43137980.8
n2
46522134687529216
n3
1.0034354764628E+25
n4
2.1643090158846E+33
n5
4.6681960386249E+41
2 √n
14686.384987464
3 √n
599.71273656222
4 √n
121.18739615762
5 √n
46.426502043162
1 , 2 , 4 , 8 , 16 , 937 , 1874 , 3748 , 7496 , 14387 , 14992 , 28774 , 57548 , 115096 , 230192 , 13480619 , 26961238 , 53922476 , 107844952 , 215689904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-215689903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 215689904 can be divided by 20 positive divisors.
The sum of these divisors (counting 215689904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1100110110110010101010110000
3
Ternary
120000212011220222
4
Quaternary
30312302222300
5
Quinary
420204034104
6
Senary
33222552212
8
Octal
1466625260
10
Decimal
215689904
12
Duodecimal
60298668
16
Hexadecimal
cdb2ab0
20
Vigesimal
37814f4
36
Base36
3keze8
md5
4756b075a9fa065f49cbd4bade5f23c1
sha1
8763656be1717bbfe6639e1a0ae6c8170d3c3a89
sha256
5f660ff5b744e52d261388eac2362eec008c837621c725e6c793f8bbc508dc0b
sha512
8fe6a0d4a36a31350e0566c6af36557753d6c11390edab0664439ba78c789ecff7be6927f9cfb936d3442de80525432dac74c82a1a9e3d2f0887eb586214f9e1
ripemd-160
2f4a99aa0ad866eabf7286ff9978534c17d41bdd
Diameter
431379808
Circumference
1355219635.7198
Area
1.4615359656366E+17
Volume
4.2031806949426E+25
Surface area
5.8461438625463E+17
Circumference
1355219635.7198
Perimeter
862759616
Area
46522134687529216
Diagonal
305031587.50375
Surface area
279132808125175296
Volume
1.0034354764628E+25
Space diagonal
373585872.40765
Perimeter
647069712
Area
2.0144675238841E+16
Altitude
186792936.20383
Surface area
2.0144675238841E+16
Volume
1.1825600498167E+24
Height
101677195.83458