1990398466 is an even 10-digits composite number following 1990398465
and preceding 1990398467 . In scientific notation, it is written as 1.990398466 × 10^9.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 808131600 positive integers (up to 1990398466) that are relatively prime to 1990398466.
1990398466 has 16 divisors, whose sum is 3591696960
The reverse of 1990398466 is 6648930991
Previous prime number is 19
Is Prime? no
Number parity even
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion nine hundred ninety million three hundred ninety-eight thousand four hundred sixty-six
Scientific notation
1.990398466 × 10^9
Engineering notation
1.990398466 × 10^9
Prime Factorization
2 × 7 × 19 × 7482701
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1990398466
Product of the distinct prime numbers
The prime factorization of 1990398466 is 2 × 7 × 19 × 7482701.
Since it has a total of 4 prime factors.
2 , 4 , 16 , 8 , 148 , 769 , 8899 , 6091 , 88479 , 92522 , 916255 , 799391 , 5917878 , 6016296 , 7114659 , 10350612 , 951740998 , 544896343 , 4148414831 , 4471292354
n×2
3980796932
n×3
5971195398
n×4
7961593864
n×5
9951992330
n÷2
995199233
n÷3
663466155.33333
n÷3
497599616.5
n÷5
398079693.2
n2
3961686053455153156
n3
7.8853338435707E+27
n4
1.5694956386141E+37
n5
3.1239217114912E+46
2 √n
44613.881987561
3 √n
1257.9016190336
4 √n
211.21998482047
5 √n
72.408242381626
1 , 2 , 7 , 14 , 19 , 38 , 133 , 266 , 7482701 , 14965402 , 52378907 , 104757814 , 142171319 , 284342638 , 995199233 , 1990398466
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
-1990398465
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 1990398466 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990398466) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101000110001001000000010
3
Ternary
12010201021201101201
4
Quaternary
1312220301020002
5
Quinary
13034020222331
6
Senary
525301051414
8
Octal
16650611002
10
Decimal
1990398466
12
Duodecimal
4766b6b6a
16
Hexadecimal
76a31202
20
Vigesimal
1b1jjg36
36
Base36
wx15aa
md5
039629b6c9b8d2c63b7ff5b007026294
sha1
8867bee26943a739de30daf650803fc1b2292c3e
sha256
384605417eece2f22b7f8c1c47d157054fafaae70862569e877b4275b785de75
sha512
8cc3a853637d91ff6723f5799a7b6dc8bfcfc90efed1338838ac5d87902f7cb7cb378371aa6abcfa27cb5578a46f9ccfb62aadd90d01384b343f75ccdd56db60
ripemd-160
7e16dd628c5fe6acafbfae7c8893155a379eb632
Diameter
3980796932
Circumference
12506042397.004
Area
1.2446003801364E+19
Volume
3.303000916542E+28
Surface area
4.9784015205455E+19
Circumference
12506042397.004
Perimeter
7961593864
Area
3961686053455153156
Diagonal
2814848505.1438
Surface area
2.3770116320731E+19
Volume
7.8853338435707E+27
Space diagonal
3447471270.4192
Perimeter
5971195398
Area
1.7154603820553E+18
Altitude
1723735635.2096
Surface area
1.7154603820553E+18
Volume
9.2929550545144E+26
Height
938282835.04793