1990644940 is an even 10-digits composite number following 1990644939
and preceding 1990644941 . In scientific notation, it is written as 1.990644940 × 10^9.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 761637888 positive integers (up to 1990644940) that are relatively prime to 1990644940.
1990644940 has 24 divisors, whose sum is 4362109920
The reverse of 1990644940 is 0494460991
Previous prime number is 23
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 nine hundred forty
Scientific notation
1.990644940 × 10^9
Engineering notation
1.990644940 × 10^9
Prime Factorization
2 × 2 × 5 × 23 × 4327489
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
995322470 Product of the distinct prime numbers
The prime factorization of 1990644940 is 2 × 2 × 5 × 23 × 4327489.
Since it has a total of 5 prime factors.
10 , 10 , 71 , 15 , 153 , 95 , 8816 , 1867 , 29187 , 28967 , 266753 , 126213 , 9850183 , 2810060 , 45914543 , 20027121 , 257821330 , 509702967 , 1563619041 , 8051153084
n×2
3981289880
n×3
5971934820
n×4
7962579760
n×5
9953224700
n÷2
995322470
n÷3
663548313.33333
n÷3
497661235
n÷5
398128988
n2
3962667277147603600
n3
7.8882635641575E+27
n4
1.5702731949376E+37
n5
3.1258563899202E+46
2 √n44616.644203705
3 √n1257.9535394995
4 √n211.226523438
5 √n72.410035576859
1 , 2 , 4 , 5 , 10 , 20 , 23 , 46 , 92 , 115 , 230 , 460 , 4327489 , 8654978 , 17309956 , 21637445 , 43274890 , 86549780 , 99532247 , 199064494 , 398128988 , 497661235 , 995322470 , 1990644940
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1990644939 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990644940 can be divided by 24 positive divisors.
The sum of these divisors (counting 1990644940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101001101101010011001100
3
Ternary
12010201202020111101
4
Quaternary
1312221231103030
5
Quinary
13034101114230
6
Senary
525310232444
8
Octal
16651552314
10
Decimal
1990644940
12
Duodecimal
4767b5724
16
Hexadecimal
76a6d4cc
20
Vigesimal
1b21ac70
36
Base36
wx6fgs
md5
c9d2866b3ee402d7c89cf8413527482b
sha1
cc4a655c04ac97a8b2e942bfc8d0dc664a85ecf9
sha256
b57e27d7311f182bfd658593a5274b39cc1ba2b06162dd52fa0a836c0cecfd91
sha512
1fba5e348b0c8c763ed15503c3e23c78621d7acccadae92e251cc74f77c89491ffd6524c4372f30dedfd92ebd7cd8f829df779095953da24c2f683bf31934bdb
ripemd-160
d5a32d3d3fb2358b212ec424a7f03de29d5ed3ee
Diameter
3981289880
Circumference
12507591038.819
Area
1.2449086406508E+19
Volume
3.3042281150316E+28
Surface area
4.979634562603E+19
Circumference
12507591038.819
Perimeter
7962579760
Area
3962667277147603600
Diagonal
2815197072.0174
Surface area
2.3776003662886E+19
Volume
7.8882635641575E+27
Space diagonal
3447898175.9099
Perimeter
5971934820
Area
1.7158852643776E+18
Altitude
1723949087.9549
Surface area
1.7158852643776E+18
Volume
9.2964077633375E+26
Height
938399024.00579