1990644850 is an even 10-digits composite number following 1990644849
and preceding 1990644851 . In scientific notation, it is written as 1.990644850 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 770571600 positive integers (up to 1990644850) that are relatively prime to 1990644850.
1990644850 has 16 divisors, whose sum is 3606280704
The reverse of 1990644850 is 0584460991
Previous prime number is 155
Is Prime? no Number parity even Number length 10 Sum of Digits 46 Digital Root 1
Name
one billion nine hundred ninety million six hundred forty-four thousand eight hundred fifty
Scientific notation
1.990644850 × 10^9
Engineering notation
1.990644850 × 10^9
Prime Factorization
2 × 5 × 155 × 1284287
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1990644850 Product of the distinct prime numbers
The prime factorization of 1990644850 is 2 × 5 × 155 × 1284287.
Since it has a total of 4 prime factors.
9 , 2 , 67 , 65 , 197 , 726 , 6591 , 2023 , 6137 , 96189 , 436154 , 33770 , 800438 , 8975633 , 38522200 , 10133015 , 665471324 , 971957 , 9418169130 , 3950043033
n×2
3981289700
n×3
5971934550
n×4
7962579400
n×5
9953224250
n÷2
995322425
n÷3
663548283.33333
n÷3
497661212.5
n÷5
398128970
n2
3962666918831522500
n3
7.8882624942373E+27
n4
1.5702729109602E+37
n5
3.1258556832974E+46
2 √n44616.643195113
3 √n1257.9535205416
4 √n211.22652105054
5 √n72.410034922106
1 , 2 , 5 , 10 , 155 , 310 , 775 , 1550 , 1284287 , 2568574 , 6421435 , 12842870 , 199064485 , 398128970 , 995322425 , 1990644850
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
-1990644849 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 1990644850 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990644850) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101001101101010001110010
3
Ternary
12010201202020101001
4
Quaternary
1312221231101302
5
Quinary
13034101113400
6
Senary
525310232214
8
Octal
16651552162
10
Decimal
1990644850
12
Duodecimal
4767b566a
16
Hexadecimal
76a6d472
20
Vigesimal
1b21ac2a
36
Base36
wx6fea
md5
e187e5b4ed780da0eb210904a95c56d8
sha1
af702c2a5aece89afa08088d336f4a3273a17078
sha256
31f2be0b1e7a5771cf3a539987ee8231b599c007b3376b85d95546e604501520
sha512
3f913041a15f9f6fc642a7ac867f60154263389f33a440383f03382db0e449ee3f5247654782586f02c5423e075fbeecf46e7d0d90d641e61de6d05a0e64740b
ripemd-160
ad772e356fc090cd6cce2c53c128730884ff1e90
Diameter
3981289700
Circumference
12507590473.333
Area
1.2449085280824E+19
Volume
3.3042276668645E+28
Surface area
4.9796341123298E+19
Circumference
12507590473.333
Perimeter
7962579400
Area
3962666918831522500
Diagonal
2815196944.7382
Surface area
2.3776001512989E+19
Volume
7.8882624942373E+27
Space diagonal
3447898020.0253
Perimeter
5971934550
Area
1.7158851092222E+18
Altitude
1723949010.0127
Surface area
1.7158851092222E+18
Volume
9.2964065024246E+26
Height
938398981.57939