215683985 is an odd 9-digits composite number following 215683984
and preceding 215683986 . In scientific notation, it is written as 2.15683985 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 151360000 positive integers (up to 215683985) that are relatively prime to 215683985.
215683985 has 16 divisors, whose sum is 262239552
The reverse of 215683985 is 589386512
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred fifteen million six hundred eighty-three thousand nine hundred eighty-five
Scientific notation
2.15683985 × 10^8
Engineering notation
2.15683985 × 10^6
Prime Factorization
5 × 451 × 101 × 947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
215683985
Product of the distinct prime numbers
The prime factorization of 215683985 is 5 × 451 × 101 × 947.
Since it has a total of 4 prime factors.
8 , 10 , 50 , 15 , 597 , 482 , 3297 , 4816 , 96910 , 33034 , 464769 , 913150 , 1070160 , 1614018 , 5687331 , 7459408 , 190312546 , 149971434 , 7384033415 , 8644977031
n×2
431367970
n×3
647051955
n×4
862735940
n×5
1078419925
n÷2
107841992.5
n÷3
71894661.666667
n÷3
53920996.25
n÷5
43136797
n2
46519581385480225
n3
1.0033528693752E+25
n4
2.1640714522803E+33
n5
4.6675555465256E+41
2 √n
14686.183472911
3 √n
599.70725070483
4 √n
121.18656473764
5 √n
46.42624723153
1 , 5 , 101 , 451 , 505 , 947 , 2255 , 4735 , 45551 , 95647 , 227755 , 427097 , 478235 , 2135485 , 43136797 , 215683985
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
-215683984
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 215683985 can be divided by 16 positive divisors.
The sum of these divisors (counting 215683985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100110110110001001110010001
3
Ternary
120000211212210202
4
Quaternary
30312301032101
5
Quinary
420203341420
6
Senary
33222504545
8
Octal
1466611621
10
Decimal
215683985
12
Duodecimal
60295155
16
Hexadecimal
cdb1391
20
Vigesimal
37809j5
36
Base36
3keutt
md5
06b957898f6df0902f407f33ae76a144
sha1
c2527f315a748fdfb54c38266e5e6fe6b61fdb70
sha256
ffc8b2ec9967c8282e2462fbf9dca6250564469d6546925ab3f4cb26c092f33d
sha512
12dbaf62be8d499f1a1235c36b9f0efe974f6c52db3151983f08a35485e9e6b4300af645406c6ed219ae9128862ef5e430bb2e9945f877d0815ce4049060ff9a
ripemd-160
e096337683970b16af5f1f03479e667889fe3765
Diameter
431367970
Circumference
1355182445.5459
Area
1.461455751287E+17
Volume
4.2028346711832E+25
Surface area
5.8458230051479E+17
Circumference
1355182445.5459
Perimeter
862735940
Area
46519581385480225
Diagonal
305023216.77368
Surface area
279117488312881350
Volume
1.0033528693752E+25
Space diagonal
373575620.39892
Perimeter
647051955
Area
2.0143569626622E+16
Altitude
186787810.19946
Surface area
2.0143569626622E+16
Volume
1.1824626964303E+24
Height
101674405.59123