215996865 is an odd 9-digits composite number following 215996864
and preceding 215996866 . In scientific notation, it is written as 2.15996865 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 98741376 positive integers (up to 215996865) that are relatively prime to 215996865.
215996865 has 8 divisors, whose sum is 263310592
The reverse of 215996865 is 568699512
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred fifteen million nine hundred ninety-six thousand eight hundred sixty-five
Scientific notation
2.15996865 × 10^8
Engineering notation
2.15996865 × 10^6
Prime Factorization
15 × 7 × 2057113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
215996865
Product of the distinct prime numbers
The prime factorization of 215996865 is 15 × 7 × 2057113.
Since it has a total of 3 prime factors.
5 , 1 , 70 , 67 , 285 , 606 , 5119 , 8106 , 56668 , 55950 , 167399 , 542159 , 3573561 , 933806 , 62676140 , 51868911 , 954845676 , 248016133 , 8956286631 , 5011637167
n×2
431993730
n×3
647990595
n×4
863987460
n×5
1079984325
n÷2
107998432.5
n÷3
71998955
n÷3
53999216.25
n÷5
43199373
n2
46654645689828225
n3
1.0077257206689E+25
n4
2.1766559644434E+33
n5
4.7015086450333E+41
2 √n
14696.831801446
3 √n
599.99709720818
4 √n
121.23049039514
5 √n
46.439708984705
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
-215996864
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 215996865 can be divided by 8 positive divisors.
The sum of these divisors (counting 215996865) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100110111111101100111000001
3
Ternary
120001102202222220
4
Quaternary
30313331213001
5
Quinary
420243344430
6
Senary
33233321253
8
Octal
1467754701
10
Decimal
215996865
12
Duodecimal
60406229
16
Hexadecimal
cdfd9c1
20
Vigesimal
379jc35
36
Base36
3klk8x
md5
5bf1f5eb6d234f5636bfd966e1c5f862
sha1
3825d02695e8e48591aef02d0166d8d8232acb33
sha256
9bf8943ae75090c3aac03b98b3850d21f5531c5d148c8f078839648b939d9cf6
sha512
93ef1dc71337377e185c4a8e5d78ce86398e9ee63cd0309db8079086b3aa04b5a67ea7664c62c05869b1446e90dd8eac11108e468b4d53d604da167ce3322c59
ripemd-160
0b816737457f10b1b12a984a172f2a0e3c341571
Diameter
431993730
Circumference
1357148328.5649
Area
1.46569892155E+17
Volume
4.2211516278491E+25
Surface area
5.8627956862E+17
Circumference
1357148328.5649
Perimeter
863987460
Area
46654645689828225
Diagonal
305465695.91307
Surface area
279927874138969350
Volume
1.0077257206689E+25
Space diagonal
374117544.4556
Perimeter
647990595
Area
2.0202054185977E+16
Altitude
187058772.2278
Surface area
2.0202054185977E+16
Volume
1.1876161511018E+24
Height
101821898.63769