215984985 is an odd 9-digits composite number following 215984984
and preceding 215984986 . In scientific notation, it is written as 2.15984985 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 114847488 positive integers (up to 215984985) that are relatively prime to 215984985.
215984985 has 8 divisors, whose sum is 231073024
The reverse of 215984985 is 589489512
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred fifteen million nine hundred eighty-four thousand nine hundred eighty-five
Scientific notation
2.15984985 × 10^8
Engineering notation
2.15984985 × 10^6
Prime Factorization
15 × 337 × 42727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
215984985
Product of the distinct prime numbers
The prime factorization of 215984985 is 15 × 337 × 42727.
Since it has a total of 3 prime factors.
1 , 6 , 90 , 63 , 442 , 273 , 6125 , 8698 , 49595 , 58216 , 733712 , 333132 , 3898332 , 1068437 , 84221487 , 89806847 , 675385810 , 794870978 , 8489553435 , 8364746322
n×2
431969970
n×3
647954955
n×4
863939940
n×5
1079924925
n÷2
107992492.5
n÷3
71994995
n÷3
53996246.25
n÷5
43196997
n2
46649513745450225
n3
1.0075594526568E+25
n4
2.1761771326869E+33
n5
4.7002158536073E+41
2 √n
14696.427627148
3 √n
599.98609690006
4 √n
121.22882341732
5 √n
46.439198129253
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
-215984984
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 215984985 can be divided by 8 positive divisors.
The sum of these divisors (counting 215984985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100110111111010101101011001
3
Ternary
120001102011200220
4
Quaternary
30313322231121
5
Quinary
420243004420
6
Senary
33233150253
8
Octal
1467725531
10
Decimal
215984985
12
Duodecimal
603bb389
16
Hexadecimal
cdfab59
20
Vigesimal
379i295
36
Base36
3klb2x
md5
6b91630d69a8cff803cf6da8440bc805
sha1
616631fb22e58f45a3b8687002ee84f3830a4e90
sha256
d81010b69a1ad8e4ab4a414cf27c5c2a5372d331a3f8f909a0baa23f48a5b7b4
sha512
a6e9ab7fa903ff0c34b30814a9d74620813786f33cbb76a00e1396fd361f9d4cf858c87f6252a47fb7ebecc2a1326e0d9bcb40b0fc336c6c177d813c62ce89d7
ripemd-160
874e05561078d51b00e67276bb989cd2b2df920d
Diameter
431969970
Circumference
1357073684.3234
Area
1.4655376967624E+17
Volume
4.2204551660289E+25
Surface area
5.8621507870497E+17
Circumference
1357073684.3234
Perimeter
863939940
Area
46649513745450225
Diagonal
305448895.05595
Surface area
279897082472701350
Volume
1.0075594526568E+25
Space diagonal
374096967.692
Perimeter
647954955
Area
2.0199831988876E+16
Altitude
187048483.846
Surface area
2.0199831988876E+16
Volume
1.1874202023704E+24
Height
101816298.35198