1990485 is an odd 7-digits composite number following 1990484
and preceding 1990486 . In scientific notation, it is written as 1.990485 × 10^6.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 887040 positive integers (up to 1990485) that are relatively prime to 1990485.
1990485 has 32 divisors, whose sum is 3697920
The reverse of 1990485 is 5840991
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 36
Digital Root 9
Name
one million nine hundred ninety thousand four hundred eighty-five
Scientific notation
1.990485 × 10^6
Engineering notation
1.990485 × 10^6
Prime Factorization
213 × 3 × 7 × 5 × 89
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1990485
Product of the distinct prime numbers
The prime factorization of 1990485 is 213 × 3 × 7 × 5 × 89.
Since it has a total of 5 prime factors.
1 , 3 , 67 , 14 , 510 , 684 , 7130 , 6915 , 34889 , 82886 , 44063 , 82346 , 6931337 , 3181520 , 71321069 , 333745 , 288845132 , 798574202 , 8569820701 , 7617310029
n×2
3980970
n×3
5971455
n×4
7961940
n×5
9952425
n÷2
995242.5
n÷3
663495
n÷3
497621.25
n÷5
398097
n2
3962030535225
n3
7886362349907334125
n4
1.5697685962055E+25
n5
3.1246008442182E+31
2 √n
1410.845491186
3 √n
125.7919848161
4 √n
37.561223238681
5 √n
18.188286302418
1 , 3 , 5 , 7 , 15 , 21 , 35 , 89 , 105 , 213 , 267 , 445 , 623 , 639 , 1065 , 1335 , 1491 , 1869 , 3115 , 3195 , 4473 , 7455 , 9345 , 18957 , 22365 , 56871 , 94785 , 132699 , 284355 , 398097 , 663495 , 1990485
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990484
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990485 can be divided by 32 positive divisors.
The sum of these divisors (counting 1990485) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111100101111101010101
3
Ternary
10202010102200
4
Quaternary
13211331111
5
Quinary
1002143420
6
Senary
110355113
8
Octal
7457525
10
Decimal
1990485
12
Duodecimal
7bba99
16
Hexadecimal
1e5f55
20
Vigesimal
c8g45
36
Base36
16nv9
md5
99d6d8c10ba0b317699349ed4fce98ac
sha1
76bf1ce9603bc629c23f04e1b341d86e005f4046
sha256
ce872bd4813074104f14329f78fab02eed826e2e049a33f19abc439e5bf985fe
sha512
15676f4f1996d7c7d5b4d882f14a75d790bab9d3dcf82fa3153de68d5861d1ddd240abb4c2efc867eff56ed8c1e6bab08366045e4fa58a3e7bbb5a7bc3989258
ripemd-160
05a1591aa04fecae328620fe669204102e9bd85f
Diameter
3980970
Circumference
12506586.106161
Area
12447086022761
Volume
3.3034317362688E+19
Surface area
49788344091045
Circumference
12506586.106161
Perimeter
7961940
Area
3962030535225
Diagonal
2814970.8827002
Surface area
23772183211350
Volume
7886362349907334125
Space diagonal
3447621.1517037
Perimeter
5971455
Area
1715609547037.3
Altitude
1723810.5758519
Surface area
1715609547037.3
Volume
9.2941671608563E+17
Height
938323.62756674