2215981321 is an odd 10-digits composite number following 2215981320
and preceding 2215981322 . In scientific notation, it is written as 2.215981321 × 10^9.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 2139568144 positive integers (up to 2215981321) that are relatively prime to 2215981321.
2215981321 has 4 divisors, whose sum is 2292394500
The reverse of 2215981321 is 1231895122
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 34
Digital Root 7
Name
two billion two hundred fifteen million nine hundred eighty-one thousand three hundred twenty-one
Scientific notation
2.215981321 × 10^9
Engineering notation
2.215981321 × 10^9
Prime Factorization
29 × 76413149
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2215981321
Product of the distinct prime numbers
The prime factorization of 2215981321 is 29 × 76413149.
Since it has a total of 2 prime factors.
7 , 6 , 68 , 87 , 737 , 851 , 5000 , 8085 , 6805 , 90361 , 385503 , 351375 , 2005763 , 5867762 , 88045005 , 29812549 , 284205168 , 35112298 , 8119079956 , 3414399664
n×2
4431962642
n×3
6647943963
n×4
8863925284
n×5
11079906605
n÷2
1107990660.5
n÷3
738660440.33333
n÷3
553995330.25
n÷5
443196264.2
n2
4910573215020905041
n3
1.0881738519889E+28
n4
2.4113729300081E+37
n5
5.3435573708629E+46
2 √n
47074.210784675
3 √n
1303.7331198928
4 √n
216.96592079097
5 √n
73.979811271679
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
-2215981320
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 2215981321 can be divided by 4 positive divisors.
The sum of these divisors (counting 2215981321) is 1, the average is 0.25.
Base
System
Value
2
Binary
10000100000101010011000100001001
3
Ternary
12201102202111220021
4
Quaternary
2010011103010021
5
Quinary
14014242400241
6
Senary
1003520100441
8
Octal
20405230411
10
Decimal
2215981321
12
Duodecimal
51a164721
16
Hexadecimal
84153109
20
Vigesimal
1ec9hd61
36
Base36
10nc64p
md5
a15c9e0fdebb00aa966a8ff7e7b28cdd
sha1
70b9947d704f6f8d23c349e26f2ade8053690c30
sha256
2d4d933f47e514f4381e63ebbffd7e603808e8b6d3c625ba98eac9c8b1901c6b
sha512
01dfadf5ae5ea58f5e2097b23de65a66d7f27e9660a228051dc9a3fe0eefe2f067581c1dcc5656b2cf3569f32566fb0edd07357cd1b8f3305bf1b12657f4f0bd
ripemd-160
a4a556836d8561b65ed32dbbb9b865a2d3f5c594
Diameter
4431962642
Circumference
13923421277.092
Area
1.5427020737224E+19
Volume
4.5581319723159E+28
Surface area
6.1708082948898E+19
Circumference
13923421277.092
Perimeter
8863925284
Area
4910573215020905041
Diagonal
3133870838.1236
Surface area
2.9463439290125E+19
Volume
1.0881738519889E+28
Space diagonal
3838192236.5956
Perimeter
6647943963
Area
2.1263405756758E+18
Altitude
1919096118.2978
Surface area
2.1263405756758E+18
Volume
1.2824251830854E+27
Height
1044623612.7079