2181330687 is an odd 10-digits composite number following 2181330686
and preceding 2181330688 . In scientific notation, it is written as 2.181330687 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 1452251160 positive integers (up to 2181330687) that are relatively prime to 2181330687.
2181330687 has 8 divisors, whose sum is 2912379520
The reverse of 2181330687 is 7860331812
Previous prime number is 739
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
two billion one hundred eighty-one million three hundred thirty thousand six hundred eighty-seven
Scientific notation
2.181330687 × 10^9
Engineering notation
2.181330687 × 10^9
Prime Factorization
3 × 739 × 983911
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2181330687
Product of the distinct prime numbers
The prime factorization of 2181330687 is 3 × 739 × 983911.
Since it has a total of 3 prime factors.
5 , 9 , 96 , 87 , 154 , 377 , 598 , 5915 , 34082 , 57939 , 297642 , 556493 , 8069297 , 6557322 , 29794268 , 53490326 , 15441728 , 690556194 , 6355596161 , 6266305436
n×2
4362661374
n×3
6543992061
n×4
8725322748
n×5
10906653435
n÷2
1090665343.5
n÷3
727110229
n÷3
545332671.75
n÷5
436266137.4
n2
4758203566047891969
n3
1.0379215453613E+28
n4
2.2640501175951E+37
n5
4.9386419984161E+46
2 √n
46704.718037903
3 √n
1296.90202895
4 √n
216.11274381189
5 √n
73.746990446421
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
-2181330686
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 2181330687 can be divided by 8 positive divisors.
The sum of these divisors (counting 2181330687) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000010000001000111011011111111
3
Ternary
12122000120002011110
4
Quaternary
2002001013123333
5
Quinary
13431410040222
6
Senary
1000241253103
8
Octal
20201073377
10
Decimal
2181330687
12
Duodecimal
50a634193
16
Hexadecimal
820476ff
20
Vigesimal
1e1d66e7
36
Base36
102phj3
md5
714156138706907ad985d0e3edf93024
sha1
f919dacb476ef6331b4ff323e1c30d4d79ff24a9
sha256
c8c24021d95953e64b94d8bfb5ff143cb3748fd9782084a455e842081b8e8dab
sha512
b2a61ba6d0852ad11ba0c717fe00e2541368cf4dd0b68c0301f6041edbcc9e3e2901879424167b670854206a1a81dfc3e79ceed903554a67ff8452bcb4290e7a
ripemd-160
7e95961d2afe0b469185ae91eaa14a8adc177aa0
Diameter
4362661374
Circumference
13705704922.658
Area
1.4948337367381E+19
Volume
4.3476356025462E+28
Surface area
5.9793349469523E+19
Circumference
13705704922.658
Perimeter
8725322748
Area
4758203566047891969
Diagonal
3084867441.576
Surface area
2.8549221396287E+19
Volume
1.0379215453613E+28
Space diagonal
3778175577.9931
Perimeter
6543992061
Area
2.0603625822876E+18
Altitude
1889087788.9966
Surface area
2.0603625822876E+18
Volume
1.2232022717743E+27
Height
1028289147.192