2149245 is an odd 7-digits composite number following 2149244
and preceding 2149246 . In scientific notation, it is written as 2.149245 × 10^6.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 982368 positive integers (up to 2149245) that are relatively prime to 2149245.
2149245 has 12 divisors, whose sum is 3193632
The reverse of 2149245 is 5429412
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
two million one hundred forty-nine thousand two hundred forty-five
Scientific notation
2.149245 × 10^6
Engineering notation
2.149245 × 10^6
Prime Factorization
35 × 3 × 3 × 6823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
716415
Product of the distinct prime numbers
The prime factorization of 2149245 is 35 × 3 × 3 × 6823.
Since it has a total of 4 prime factors.
3 , 3 , 31 , 83 , 72 , 324 , 5482 , 9623 , 59419 , 70211 , 55071 , 505518 , 6472188 , 663982 , 54090703 , 47997366 , 491000612 , 962468137 , 9155624330 , 9022981764
n×2
4298490
n×3
6447735
n×4
8596980
n×5
10746225
n÷2
1074622.5
n÷3
716415
n÷3
537311.25
n÷5
429849
n2
4619254070025
n3
9.9279087137309E+18
n4
2.1337508163443E+25
n5
4.5859532732738E+31
2 √n
1466.0303543924
3 √n
129.05117853933
4 √n
38.288775827812
5 √n
18.469587032355
1 , 3 , 9 , 35 , 105 , 315 , 6823 , 20469 , 61407 , 238805 , 716415 , 2149245
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2149244
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2149245 can be divided by 12 positive divisors.
The sum of these divisors (counting 2149245) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000001100101101111101
3
Ternary
11001012012200
4
Quaternary
20030231331
5
Quinary
1022233440
6
Senary
114022113
8
Octal
10145575
10
Decimal
2149245
12
Duodecimal
877939
16
Hexadecimal
20cb7d
20
Vigesimal
d8d25
36
Base36
1a2d9
md5
5eb870076aceda0509686d3d4c33ef89
sha1
8e17ca650bfce984293feaa4be3791cbf04726da
sha256
daac735f2a1f61a96171aae077709a3a5f318d99ac0247c333384dbefd60541e
sha512
c5a41d5ea1170c4d1fd265ae451a6296003863f4afe73c85b828c745a477b5f1d59439ace84a4935b1fc10c598af52e4f8a836ea819a36dd6d1b1df335e29c66
ripemd-160
41ec9e2d9d4f379ee5a437baa761b4703b819217
Diameter
4298490
Circumference
13504104.605529
Area
14511814651455
Volume
4.1585926774089E+19
Surface area
58047258605821
Circumference
13504104.605529
Perimeter
8596980
Area
4619254070025
Diagonal
3039491.4278626
Surface area
27715524420150
Volume
9.9279087137309E+18
Space diagonal
3722601.5379134
Perimeter
6447735
Area
2000195685588.2
Altitude
1861300.7689567
Surface area
2000195685588.2
Volume
1.1700152624134E+18
Height
1013163.8092875