1990644944 is an even 10-digits composite number following 1990644943
and preceding 1990644945 . In scientific notation, it is written as 1.990644944 × 10^9.
The sum of its digits is 50. It has a total of 6 prime factors and 20 positive divisors.
There are 992140032 positive integers (up to 1990644944) that are relatively prime to 1990644944.
1990644944 has 20 divisors, whose sum is 3869206596
The reverse of 1990644944 is 4494460991
Previous prime number is 313
Is Prime? no
Number parity even
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion nine hundred ninety million six hundred forty-four thousand nine hundred forty-four
Scientific notation
1.990644944 × 10^9
Engineering notation
1.990644944 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 313 × 397493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
248830618
Product of the distinct prime numbers
The prime factorization of 1990644944 is 2 × 2 × 2 × 2 × 313 × 397493.
Since it has a total of 6 prime factors.
3 , 8 , 51 , 16 , 724 , 808 , 3778 , 8689 , 21021 , 23738 , 398820 , 572799 , 4737042 , 9799043 , 35682586 , 40558872 , 832932228 , 19238572 , 7924540389 , 1913809808
n×2
3981289888
n×3
5971934832
n×4
7962579776
n×5
9953224720
n÷2
995322472
n÷3
663548314.66667
n÷3
497661236
n÷5
398128988.8
n2
3962667293072763136
n3
7.8882636117095E+27
n4
1.5702732075589E+37
n5
3.1258564213257E+46
2 √n
44616.644248531
3 √n
1257.9535403421
4 √n
211.22652354411
5 √n
72.410035605959
1 , 2 , 4 , 8 , 16 , 313 , 626 , 1252 , 2504 , 5008 , 397493 , 794986 , 1589972 , 3179944 , 6359888 , 124415309 , 248830618 , 497661236 , 995322472 , 1990644944
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990644943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990644944 can be divided by 20 positive divisors.
The sum of these divisors (counting 1990644944) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110110101001101101010011010000
3
Ternary
12010201202020111112
4
Quaternary
1312221231103100
5
Quinary
13034101114234
6
Senary
525310232452
8
Octal
16651552320
10
Decimal
1990644944
12
Duodecimal
4767b5728
16
Hexadecimal
76a6d4d0
20
Vigesimal
1b21ac74
36
Base36
wx6fgw
md5
a7c4751eadec2845a6548ff7d9fb76cd
sha1
63cdbfbb5dc36b14ab25f2613620bbecfa4ae267
sha256
c241b85d0313bc719c9b5dffb4e249de31880c336b2d5372dc57f039a0f6cbea
sha512
59e39df5ba66e428dd94fc3882be865364e46b0c3fc7680e7efc53cdc6cbd8cf56c5cdde59e269b825704a7ef7f2689c5d2f756f239aaaafea75f19511de81fe
ripemd-160
cec99a182e98217a53e7683913a84c84816892d3
Diameter
3981289888
Circumference
12507591063.952
Area
1.2449086456538E+19
Volume
3.3042281349502E+28
Surface area
4.9796345826152E+19
Circumference
12507591063.952
Perimeter
7962579776
Area
3962667293072763136
Diagonal
2815197077.6742
Surface area
2.3776003758437E+19
Volume
7.8882636117095E+27
Space diagonal
3447898182.8381
Perimeter
5971934832
Area
1.7158852712734E+18
Altitude
1723949091.4191
Surface area
1.7158852712734E+18
Volume
9.2964078193781E+26
Height
938399025.89141