215688538 is an even 9-digits composite number following 215688537
and preceding 215688539 . In scientific notation, it is written as 2.15688538 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 99045936 positive integers (up to 215688538) that are relatively prime to 215688538.
215688538 has 16 divisors, whose sum is 350179200
The reverse of 215688538 is 835886512
Previous prime number is 199
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred fifteen million six hundred eighty-eight thousand five hundred thirty-eight
Scientific notation
2.15688538 × 10^8
Engineering notation
2.15688538 × 10^6
Prime Factorization
2 × 13 × 199 × 41687
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
215688538
Product of the distinct prime numbers
The prime factorization of 215688538 is 2 × 13 × 199 × 41687.
Since it has a total of 4 prime factors.
8 , 3 , 82 , 73 , 470 , 302 , 1484 , 1922 , 36899 , 57619 , 917104 , 769656 , 5331313 , 7297479 , 52710266 , 5996917 , 293431045 , 166274545 , 5849411756 , 9216824048
n×2
431377076
n×3
647065614
n×4
862754152
n×5
1078442690
n÷2
107844269
n÷3
71896179.333333
n÷3
53922134.5
n÷5
43137707.6
n2
46521545424577444
n3
1.0034164118128E+25
n4
2.164254188691E+33
n5
4.6680482181914E+41
2 √n
14686.338481732
3 √n
599.71147053274
4 √n
121.18720428218
5 √n
46.426443237663
1 , 2 , 13 , 26 , 199 , 398 , 2587 , 5174 , 41687 , 83374 , 541931 , 1083862 , 8295713 , 16591426 , 107844269 , 215688538
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-215688537
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 215688538 can be divided by 16 positive divisors.
The sum of these divisors (counting 215688538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100110110110010010101011010
3
Ternary
120000212010001101
4
Quaternary
30312302111122
5
Quinary
420204013123
6
Senary
33222542014
8
Octal
1466622532
10
Decimal
215688538
12
Duodecimal
6029790a
16
Hexadecimal
cdb255a
20
Vigesimal
378116i
36
Base36
3keyca
md5
cebc5e5d746f2199b83d07654d9ad4dd
sha1
748bfd7982f2ac873299fbb002f7cdf4db87fafc
sha256
ca78f597f95161c989e8d7080bf92457d1636fc7aeca2ab476f6656426c2514f
sha512
b93a56bb0d5e182372655a31926269dc8721b453f7130075aa5af9744da08a4b47734fa4af02a6fa9f4cba0638c5c00a7b776a040a08d7d2ae22eba94b75c11a
ripemd-160
41453dd12a62d7892a9f2a52251d5734748bcf0b
Diameter
431377076
Circumference
1355211052.8886
Area
1.461517453395E+17
Volume
4.2031008371232E+25
Surface area
5.8460698135799E+17
Circumference
1355211052.8886
Perimeter
862754152
Area
46521545424577444
Diagonal
305029655.68802
Surface area
279129272547464664
Volume
1.0034164118128E+25
Space diagonal
373583506.42625
Perimeter
647065614
Area
2.0144420080498E+16
Altitude
186791753.21313
Surface area
2.0144420080498E+16
Volume
1.1825375819111E+24
Height
101676551.89601