215538993 is an odd 9-digits composite number following 215538992
and preceding 215538994 . In scientific notation, it is written as 2.15538993 × 10^8.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 143692656 positive integers (up to 215538993) that are relatively prime to 215538993.
215538993 has 4 divisors, whose sum is 239487780
The reverse of 215538993 is 399835512
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred fifteen million five hundred thirty-eight thousand nine hundred ninety-three
Scientific notation
2.15538993 × 10^8
Engineering notation
2.15538993 × 10^6
Prime Factorization
9 × 23948777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
215538993
Product of the distinct prime numbers
The prime factorization of 215538993 is 9 × 23948777.
Since it has a total of 2 prime factors.
4 , 8 , 83 , 12 , 550 , 146 , 4781 , 6723 , 25014 , 23663 , 576386 , 744709 , 7884168 , 6293106 , 28275776 , 97253287 , 586329423 , 657384279 , 7142977477 , 4258108994
n×2
431077986
n×3
646616979
n×4
862155972
n×5
1077694965
n÷2
107769496.5
n÷3
71846331
n÷3
53884748.25
n÷5
43107798.6
n2
46457057503454049
n3
1.0013307392038E+25
n4
2.1582581918792E+33
n5
4.6518879731165E+41
2 √n
14681.246302682
3 √n
599.57283762601
4 √n
121.16619290331
5 √n
46.420003610584
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
-215538992
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 215538993 can be divided by 4 positive divisors.
The sum of these divisors (counting 215538993) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100110110001101110100110001
3
Ternary
120000120111220200
4
Quaternary
30312031310301
5
Quinary
420134221433
6
Senary
33215425413
8
Octal
1466156461
10
Decimal
215538993
12
Duodecimal
60225269
16
Hexadecimal
cd8dd31
20
Vigesimal
377279d
36
Base36
3kbqy9
md5
24a56b1a70bcd3de646dee013d1e431d
sha1
2a348645050568ae2e0bbb36a80070620c0da695
sha256
b65439759e3a7e14a0c0f2664e5835253dab2eb7f09417b0638ec9ec6f4a60c5
sha512
99c0b233951450530ad2e378b15bfeba5f0291dfc6ee7bf63a17893deb31abbaedce64d5c26a468fab129360e993bc605fe98bcaf29074e793649fb45ff40aed
ripemd-160
5dc4e81ee7adb6ed50bfd98c21a01e0af7ca9932
Diameter
431077986
Circumference
1354271433.9419
Area
1.4594915056025E+17
Volume
4.1943643921282E+25
Surface area
5.83796602241E+17
Circumference
1354271433.9419
Perimeter
862155972
Area
46457057503454049
Diagonal
304818167.12084
Surface area
278742345020724294
Volume
1.0013307392038E+25
Space diagonal
373324486.88823
Perimeter
646616979
Area
2.0116495991533E+16
Altitude
186662243.44412
Surface area
2.0116495991533E+16
Volume
1.1800795931692E+24
Height
101606055.70695