2187968 is an even 7-digits composite number following 2187967
and preceding 2187969 . In scientific notation, it is written as 2.187968 × 10^6.
The sum of its digits is 41. It has a total of 8 prime factors and 28 positive divisors.
There are 1029120 positive integers (up to 2187968) that are relatively prime to 2187968.
2187968 has 28 divisors, whose sum is 4599432
The reverse of 2187968 is 8697812
Previous prime number is 17
Is Prime? no
Number parity even
Number length 7
Sum of Digits 41
Digital Root 5
Name
two million one hundred eighty-seven thousand nine hundred sixty-eight
Scientific notation
2.187968 × 10^6
Engineering notation
2.187968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 17 × 2011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
68374
Product of the distinct prime numbers
The prime factorization of 2187968 is 2 × 2 × 2 × 2 × 2 × 2 × 17 × 2011.
Since it has a total of 8 prime factors.
2 , 9 , 62 , 91 , 841 , 548 , 7045 , 7296 , 77694 , 40871 , 371458 , 337664 , 5320380 , 9170702 , 97438846 , 81807244 , 651579389 , 266325775 , 5075906518 , 6021828984
n×2
4375936
n×3
6563904
n×4
8751872
n×5
10939840
n÷2
1093984
n÷3
729322.66666667
n÷3
546992
n÷5
437593.6
n2
4787203969024
n3
1.0474249093698E+19
n4
2.2917321841039E+25
n5
5.0142366833895E+31
2 √n
1479.1781501902
3 √n
129.82160936136
4 √n
38.460085155784
5 √n
18.535665915849
1 , 2 , 4 , 8 , 16 , 17 , 32 , 34 , 64 , 68 , 136 , 272 , 544 , 1088 , 2011 , 4022 , 8044 , 16088 , 32176 , 34187 , 64352 , 68374 , 128704 , 136748 , 273496 , 546992 , 1093984 , 2187968
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2187967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2187968 can be divided by 28 positive divisors.
The sum of these divisors (counting 2187968) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1000010110001011000000
3
Ternary
11010011022212
4
Quaternary
20112023000
5
Quinary
1030003333
6
Senary
114521252
8
Octal
10261300
10
Decimal
2187968
12
Duodecimal
896228
16
Hexadecimal
2162c0
20
Vigesimal
dd9i8
36
Base36
1aw8w
md5
041bd658facef47a96bad1971b999bc9
sha1
790a271a6b7c3eee2eec486a2267298549f91679
sha256
e308fec70fcefebfc29a86fdceb7ef110b09620c385f231dd1280d2dd3141d91
sha512
301fb5f02577873c438a569117333f333d96f510236d966e28256dd603fc329fe6e1330d5f6df16e21235f16456e57d92e21f659fdb277fe6946d14f73867c0e
ripemd-160
2fbb78198643c14f83adfeb6b5c54388c8ddf0a1
Diameter
4375936
Circumference
13747408.390179
Area
15039444820322
Volume
4.3874432006173E+19
Surface area
60157779281287
Circumference
13747408.390179
Perimeter
8751872
Area
4787203969024
Diagonal
3094254.0196383
Surface area
28723223814144
Volume
1.0474249093698E+19
Space diagonal
3789671.7413349
Perimeter
6563904
Area
2072920125136.2
Altitude
1894835.8706674
Surface area
2072920125136.2
Volume
1.2344020936651E+18
Height
1031418.0065461