1990491 is an odd 7-digits composite number following 1990490
and preceding 1990492 . In scientific notation, it is written as 1.990491 × 10^6.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 1278720 positive integers (up to 1990491) that are relatively prime to 1990491.
1990491 has 16 divisors, whose sum is 2752800
The reverse of 1990491 is 1940991
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 33
Digital Root 6
Name
one million nine hundred ninety thousand four hundred ninety-one
Scientific notation
1.990491 × 10^6
Engineering notation
1.990491 × 10^6
Prime Factorization
3 × 61 × 149 × 73
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1990491
Product of the distinct prime numbers
The prime factorization of 1990491 is 3 × 61 × 149 × 73.
Since it has a total of 4 prime factors.
10 , 10 , 93 , 19 , 946 , 337 , 3740 , 2258 , 92793 , 56190 , 31570 , 822913 , 4132110 , 9010165 , 32793388 , 28570106 , 830908924 , 751520732 , 8288148794 , 3506319915
n×2
3980982
n×3
5971473
n×4
7961964
n×5
9952455
n÷2
995245.5
n÷3
663497
n÷3
497622.75
n÷5
398098.2
n2
3962054421081
n3
7886433666671940771
n4
1.5697875235607E+25
n5
3.12464793756E+31
2 √n
1410.847617569
3 √n
125.79211120927
4 √n
37.56125154423
5 √n
18.188297267543
1 , 3 , 61 , 73 , 149 , 183 , 219 , 447 , 4453 , 9089 , 10877 , 13359 , 27267 , 32631 , 663497 , 1990491
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
-1990490
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 1990491 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990491) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100101111101011011
3
Ternary
10202010102220
4
Quaternary
13211331123
5
Quinary
1002143431
6
Senary
110355123
8
Octal
7457533
10
Decimal
1990491
12
Duodecimal
7bbaa3
16
Hexadecimal
1e5f5b
20
Vigesimal
c8g4b
36
Base36
16nvf
md5
5df759360a90d45f4d69d4ac7ff05c0d
sha1
27cab2eeb1c2005645db58a0caa6513eea98086f
sha256
93bccc6ee1d2d4ab80e2f049a2d4063a25b35d1c84943207434df743c471a8cf
sha512
6361424865e1ebc5c0d8bbae5987a7c1f65da503df4cb4f23f12830bc25d282101f91dff565960ecfadeb997b774fae6f1865aa0c905e83859e53d3b7c2e7a49
ripemd-160
c469a0d62052c57abc4efefc42500584eae7b870
Diameter
3980982
Circumference
12506623.805273
Area
12447161062391
Volume
3.3034616093653E+19
Surface area
49788644249564
Circumference
12506623.805273
Perimeter
7961964
Area
3962054421081
Diagonal
2814979.3679816
Surface area
23772326526486
Volume
7886433666671940771
Space diagonal
3447631.5440086
Perimeter
5971473
Area
1715619889916.3
Altitude
1723815.7720043
Surface area
1715619889916.3
Volume
9.2942512084694E+17
Height
938326.45599386