2155487 is an odd 7-digits prime number following 2155486
and preceding 2155488 . In scientific notation, it is written as 2.155487 × 10^6.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 2155486 positive integers (up to 2155487) that are relatively prime to 2155487.
2155487 has 2 divisors, whose sum is 2155488
The reverse of 2155487 is 7845512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 32
Digital Root 5
Name
two million one hundred fifty-five thousand four hundred eighty-seven
Scientific notation
2.155487 × 10^6
Engineering notation
2.155487 × 10^6
Prime Factorization
2155487
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
2155487
Product of the distinct prime numbers
The prime factorization of 2155487 is 2155487.
Since it has a total of 1 prime factors.
5 , 4 , 94 , 22 , 408 , 925 , 6780 , 1923 , 35615 , 92156 , 722999 , 774790 , 2309253 , 4161945 , 60794255 , 92737685 , 675327826 , 915187294 , 2262633936 , 8346446283
n×2
4310974
n×3
6466461
n×4
8621948
n×5
10777435
n÷2
1077743.5
n÷3
718495.66666667
n÷3
538871.75
n÷5
431097.4
n2
4646124207169
n3
1.0014660328938E+19
n4
2.1586470148442E+25
n5
4.6529355780854E+31
2 √n
1468.1576890784
3 √n
129.17599118718
4 √n
38.3165458918
5 √n
18.480302745536
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
2155488
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
1077744
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1468.1580296412
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999990721359
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155487 can be divided by 2 positive divisors.
The sum of these divisors (counting 2155487) is 2155488, the average is 1077744.
Base
System
Value
2
Binary
1000001110001111011111
3
Ternary
11001111202212
4
Quaternary
20032033133
5
Quinary
1022433422
6
Senary
114111035
8
Octal
10161737
10
Decimal
2155487
12
Duodecimal
87b47b
16
Hexadecimal
20e3df
20
Vigesimal
d98e7
36
Base36
1a76n
md5
84f4d15bac4798ff8d4625b5a2af23fc
sha1
9ada41e202ad540e03ed81b148c69def43ea7638
sha256
53b4e00a666013386091ba1f0ab419b7e6c019b28c967e6b29cdf801e361c54b
sha512
65270c112560559987db77f58c9f39b0153f674facd967a47f70ee3fda42829d0c805eba6f65e86cb74606bd7efd38dfd1bff93758a4264b37898cedfba0f93f
ripemd-160
c2c592f900e4f971db7affd2b51be6a05628c95a
Diameter
4310974
Circumference
13543324.248217
Area
14596229676908
Volume
4.1949311090119E+19
Surface area
58384918707631
Circumference
13543324.248217
Perimeter
8621948
Area
4646124207169
Diagonal
3048318.9489189
Surface area
27876745243014
Volume
1.0014660328938E+19
Space diagonal
3733412.9990542
Perimeter
6466461
Area
2011830796273.1
Altitude
1866706.4995271
Surface area
2011830796273.1
Volume
1.180239038312E+18
Height
1016106.3163063