1990245 is an odd 7-digits composite number following 1990244
and preceding 1990246 . In scientific notation, it is written as 1.990245 × 10^6.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 1055424 positive integers (up to 1990245) that are relatively prime to 1990245.
1990245 has 16 divisors, whose sum is 3202560
The reverse of 1990245 is 5420991
Previous prime number is 479
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 30
Digital Root 3
Name
one million nine hundred ninety thousand two hundred forty-five
Scientific notation
1.990245 × 10^6
Engineering notation
1.990245 × 10^6
Prime Factorization
3 × 5 × 479 × 277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1990245
Product of the distinct prime numbers
The prime factorization of 1990245 is 3 × 5 × 479 × 277.
Since it has a total of 4 prime factors.
6 , 4 , 66 , 17 , 741 , 696 , 2028 , 7576 , 91270 , 39569 , 907279 , 116655 , 1668998 , 8968254 , 18623157 , 34076269 , 247924453 , 305459463 , 9069629088 , 5161639946
n×2
3980490
n×3
5970735
n×4
7960980
n×5
9951225
n÷2
995122.5
n÷3
663415
n÷3
497561.25
n÷5
398049
n2
3961075160025
n3
7883510031863956125
n4
1.5690116423367E+25
n5
3.1227175761024E+31
2 √n
1410.7604332416
3 √n
125.78692888085
4 √n
37.560090964235
5 √n
18.187847675726
1 , 3 , 5 , 15 , 277 , 479 , 831 , 1385 , 1437 , 2395 , 4155 , 7185 , 132683 , 398049 , 663415 , 1990245
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990244
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990245 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100101111001100101
3
Ternary
10202010002210
4
Quaternary
13211321211
5
Quinary
1002141440
6
Senary
110354033
8
Octal
7457145
10
Decimal
1990245
12
Duodecimal
7bb919
16
Hexadecimal
1e5e65
20
Vigesimal
c8fc5
36
Base36
16nol
md5
f12edcf28c4db0d69ac08567f9687ff7
sha1
307588a0dd14384f296e2f4792e55c1f067b33b2
sha256
490f2c4214abcdfff2033068a696c11bbbfe14e3d83a37291b70cbb2115752b9
sha512
0773a2df0dbd8089a0c66c321b617e39f495cdbc46a33787a30f7aa0f5f78f186b06e67efe3730568e06503d430aec65ccb751545893f000525d65531c46cdd4
ripemd-160
e47877982f92547da478d9e586032b37315ee49e
Diameter
3980490
Circumference
12505078.141688
Area
12444084623052
Volume
3.3022369600807E+19
Surface area
49776338492206
Circumference
12505078.141688
Perimeter
7960980
Area
3961075160025
Diagonal
2814631.4714452
Surface area
23766450960150
Volume
7883510031863956125
Space diagonal
3447205.4595099
Perimeter
5970735
Area
1715195857440.6
Altitude
1723602.729755
Surface area
1715195857440.6
Volume
9.2908056718053E+17
Height
938210.49048175