1215989864 is an even 10-digits composite number following 1215989863
and preceding 1215989865 . In scientific notation, it is written as 1.215989864 × 10^9.
The sum of its digits is 53. It has a total of 5 prime factors and 16 positive divisors.
There are 606679920 positive integers (up to 1215989864) that are relatively prime to 1215989864.
1215989864 has 16 divisors, whose sum is 2284912320
The reverse of 1215989864 is 4689895121
Previous prime number is 463
Is Prime? no
Number parity even
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion two hundred fifteen million nine hundred eighty-nine thousand eight hundred sixty-four
Scientific notation
1.215989864 × 10^9
Engineering notation
1.215989864 × 10^9
Prime Factorization
2 × 2 × 2 × 463 × 328291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
303997466
Product of the distinct prime numbers
The prime factorization of 1215989864 is 2 × 2 × 2 × 463 × 328291.
Since it has a total of 5 prime factors.
3 , 10 , 95 , 49 , 699 , 136 , 6866 , 6123 , 70381 , 68146 , 864336 , 796418 , 8910667 , 4076025 , 62748637 , 40879385 , 256920684 , 507125927 , 9800604716 , 8569759250
n×2
2431979728
n×3
3647969592
n×4
4863959456
n×5
6079949320
n÷2
607994932
n÷3
405329954.66667
n÷3
303997466
n÷5
243197972.8
n2
1478631349350738496
n3
1.7980007334031E+27
n4
2.1863506672828E+36
n5
2.6585802505655E+45
2 √n
34871.046213155
3 √n
1067.3576938096
4 √n
186.73790780973
5 √n
65.61241013767
1 , 2 , 4 , 8 , 463 , 926 , 1852 , 3704 , 328291 , 656582 , 1313164 , 2626328 , 151998733 , 303997466 , 607994932 , 1215989864
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
-1215989863
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 1215989864 can be divided by 16 positive divisors.
The sum of these divisors (counting 1215989864) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011110101000100001101000
3
Ternary
10010202002200111122
4
Quaternary
1020132220201220
5
Quinary
4442243133424
6
Senary
320354514412
8
Octal
11036504150
10
Decimal
1215989864
12
Duodecimal
29b295a08
16
Hexadecimal
487a8868
20
Vigesimal
ijjied4
36
Base36
k3yvs8
md5
82a53cbbe3a03d6a999f397eb4f89a45
sha1
cdaa1d906e7ec5fc6c90c16adc954690b6546280
sha256
debca986aef21a1021b0016c7eab5264e47bd665d5607646594ccbb207d0659a
sha512
9d05ca02064af407aebdede853b473139f0da680c94d9a77c7494cb2955146f5d607a595ce509c6a87f8449adb65f910c793e882a0ccf5df1bec2953f32b199e
ripemd-160
9ea23191c2ed1e7785c2e896fe981476cefdeb3d
Diameter
2431979728
Circumference
7640289647.1641
Area
4.6452573844878E+18
Volume
7.5314478602778E+27
Surface area
1.8581029537951E+19
Circumference
7640289647.1641
Perimeter
4863959456
Area
1478631349350738496
Diagonal
1719669357.377
Surface area
8871788096104430976
Volume
1.7980007334031E+27
Space diagonal
2106156225.9368
Perimeter
3647969592
Area
6.402661556849E+17
Altitude
1053078112.9684
Surface area
6.402661556849E+17
Volume
2.1189641852796E+26
Height
573223119.12567