215688542 is an even 9-digits composite number following 215688541
and preceding 215688543 . In scientific notation, it is written as 2.15688542 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 106016344 positive integers (up to 215688542) that are relatively prime to 215688542.
215688542 has 8 divisors, whose sum is 329016600
The reverse of 215688542 is 245886512
Previous prime number is 59
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred fifteen million six hundred eighty-eight thousand five hundred forty-two
Scientific notation
2.15688542 × 10^8
Engineering notation
2.15688542 × 10^6
Prime Factorization
2 × 59 × 1827869
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
215688542
Product of the distinct prime numbers
The prime factorization of 215688542 is 2 × 59 × 1827869.
Since it has a total of 3 prime factors.
4 , 4 , 73 , 100 , 194 , 816 , 7494 , 3248 , 15201 , 50695 , 81780 , 267620 , 4942458 , 9449402 , 71701218 , 49085656 , 175978583 , 763603669 , 2356546594 , 938796279
n×2
431377084
n×3
647065626
n×4
862754168
n×5
1078442710
n÷2
107844271
n÷3
71896180.666667
n÷3
53922135.5
n÷5
43137708.4
n2
46521547150085764
n3
1.0034164676386E+25
n4
2.1642543492377E+33
n5
4.6680486510423E+41
2 √n
14686.338617913
3 √n
599.71147424001
4 √n
121.18720484405
5 √n
46.426443409861
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
-215688541
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 215688542 can be divided by 8 positive divisors.
The sum of these divisors (counting 215688542) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100110110110010010101011110
3
Ternary
120000212010001112
4
Quaternary
30312302111132
5
Quinary
420204013132
6
Senary
33222542022
8
Octal
1466622536
10
Decimal
215688542
12
Duodecimal
60297912
16
Hexadecimal
cdb255e
20
Vigesimal
3781172
36
Base36
3keyce
md5
ad13205f21e25bb15564edf2a1852186
sha1
9adbd52f331bef84482741bd8b7ed6976cd3accd
sha256
0271011706cf36e54afbb81d8f5f9bbd451012ec50a0c61a51419fea6ad3dc07
sha512
fd1e5852ce3904b3750e5fc445f8e63fde5052ba7f3c5326bb71b08fed5da9907aa62d39667fb9e1742c17a25284746549c6ccee97a64ff5fd3e0add305c91bf
ripemd-160
e933fff36c1e1ccce52961fdeebe7c3283b49c9f
Diameter
431377084
Circumference
1355211078.0214
Area
1.4615175076034E+17
Volume
4.203101070966E+25
Surface area
5.8460700304136E+17
Circumference
1355211078.0214
Perimeter
862754168
Area
46521547150085764
Diagonal
305029661.34488
Surface area
279129282900514584
Volume
1.0034164676386E+25
Space diagonal
373583513.35445
Perimeter
647065626
Area
2.0144420827665E+16
Altitude
186791756.67723
Surface area
2.0144420827665E+16
Volume
1.1825376477025E+24
Height
101676553.78163