2153809 is an odd 7-digits composite number following 2153808
and preceding 2153810 . In scientific notation, it is written as 2.153809 × 10^6.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 1846116 positive integers (up to 2153809) that are relatively prime to 2153809.
2153809 has 4 divisors, whose sum is 2461504
The reverse of 2153809 is 9083512
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 28
Digital Root 1
Name
two million one hundred fifty-three thousand eight hundred nine
Scientific notation
2.153809 × 10^6
Engineering notation
2.153809 × 10^6
Prime Factorization
7 × 307687
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2153809
Product of the distinct prime numbers
The prime factorization of 2153809 is 7 × 307687.
Since it has a total of 2 prime factors.
9 , 2 , 36 , 77 , 706 , 572 , 8511 , 6866 , 30003 , 90109 , 447215 , 256119 , 8234720 , 1129156 , 37450414 , 93637321 , 332696760 , 572596246 , 5235921637 , 2658819285
n×2
4307618
n×3
6461427
n×4
8615236
n×5
10769045
n÷2
1076904.5
n÷3
717936.33333333
n÷3
538452.25
n÷5
430761.8
n2
4638893208481
n3
9.9912899424653E+18
n4
2.1519330199691E+25
n5
4.6348527058067E+31
2 √n
1467.5861133167
3 √n
129.14246224693
4 √n
38.30908656333
5 √n
18.47742454597
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
-2153808
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 2153809 can be divided by 4 positive divisors.
The sum of these divisors (counting 2153809) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001101110101010001
3
Ternary
11001102110201
4
Quaternary
20031311101
5
Quinary
1022410214
6
Senary
114055201
8
Octal
10156521
10
Decimal
2153809
12
Duodecimal
87a501
16
Hexadecimal
20dd51
20
Vigesimal
d94a9
36
Base36
1a5w1
md5
8177a367e187afa258ca0ee2069a9c18
sha1
752bf6b565ad50637158597f70475eef46e83d8b
sha256
6608ed3acfa49fedf0f73786f391f5a8a9f8b384494ede4c9e71f1a6d828596e
sha512
8fb4d4e25c8acd071eb746c0e83fc250f83aaa8d36a2c7f5db074ad7601feed05f48348ddea7e08353b4268cbf407ba4c410608cdcf673ae7c0f61ed019dbdc8
ripemd-160
16d43bd116265d2540426d82e7d1e6e48dab206b
Diameter
4307618
Circumference
13532781.063271
Area
14573512824551
Volume
4.1851417444179E+19
Surface area
58294051298206
Circumference
13532781.063271
Perimeter
8615236
Area
4638893208481
Diagonal
3045945.8985612
Surface area
27833359250886
Volume
9.9912899424653E+18
Space diagonal
3730506.6177991
Perimeter
6461427
Area
2008699681993.8
Altitude
1865253.3088996
Surface area
2008699681993.8
Volume
1.177484811853E+18
Height
1015315.2995204