2155291 is an odd 7-digits prime number following 2155290
and preceding 2155292 . In scientific notation, it is written as 2.155291 × 10^6.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 2155290 positive integers (up to 2155291) that are relatively prime to 2155291.
2155291 has 2 divisors, whose sum is 2155292
The reverse of 2155291 is 1925512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7
Name
two million one hundred fifty-five thousand two hundred ninety-one
Scientific notation
2.155291 × 10^6
Engineering notation
2.155291 × 10^6
Prime Factorization
2155291
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
2155291
Product of the distinct prime numbers
The prime factorization of 2155291 is 2155291.
Since it has a total of 1 prime factors.
5 , 2 , 57 , 94 , 377 , 851 , 3337 , 5607 , 44672 , 57164 , 26206 , 552385 , 8633894 , 6707235 , 26142673 , 88790905 , 875801917 , 873274291 , 4435002111 , 5361389136
n×2
4310582
n×3
6465873
n×4
8621164
n×5
10776455
n÷2
1077645.5
n÷3
718430.33333333
n÷3
538822.75
n÷5
431058.2
n2
4645279294681
n3
1.0011928656312E+19
n4
2.1578619725592E+25
n5
4.6508204886991E+31
2 √n
1468.0909372379
3 √n
129.1720757129
4 √n
38.315674824253
5 √n
18.479966647839
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
2155292
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
1077646
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1468.0912778162
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999990720515
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155291 can be divided by 2 positive divisors.
The sum of these divisors (counting 2155291) is 2155292, the average is 1077646.
Base
System
Value
2
Binary
1000001110001100011011
3
Ternary
11001111111121
4
Quaternary
20032030123
5
Quinary
1022432131
6
Senary
114110111
8
Octal
10161433
10
Decimal
2155291
12
Duodecimal
87b337
16
Hexadecimal
20e31b
20
Vigesimal
d984b
36
Base36
1a717
md5
a19efb261cefa37b5f3bec0f7bb07f76
sha1
ccb8d4a1be9a20041dcb6aa1d28a81a7ae945c81
sha256
9b6d6c88691f25d433add857a067f20170607af3394e9f43ef0d97c7938dba0d
sha512
843b3559957bfe64f45a32fe0340ca7d867d42b871ca21c170fb7657ad9c90b490741ec4d218381b81984113eeddfb53863c787feb177a94e142c7269cddc751
ripemd-160
858d06bba338392e62ef40615b93d1398ea65882
Diameter
4310582
Circumference
13542092.743896
Area
14593575306043
Volume
4.1937868686581E+19
Surface area
58374301224170
Circumference
13542092.743896
Perimeter
8621164
Area
4645279294681
Diagonal
3048041.7630607
Surface area
27871675768086
Volume
1.0011928656312E+19
Space diagonal
3733073.5170959
Perimeter
6465873
Area
2011464938433.8
Altitude
1866536.758548
Surface area
2011464938433.8
Volume
1.1799171076057E+18
Height
1016013.9210202