1990408898 is an even 10-digits composite number following 1990408897
and preceding 1990408899 . In scientific notation, it is written as 1.990408898 × 10^9.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 994406400 positive integers (up to 1990408898) that are relatively prime to 1990408898.
1990408898 has 8 divisors, whose sum is 2988007500
The reverse of 1990408898 is 8988040991
Previous prime number is 1249
Is Prime? no Number parity even Number length 10 Sum of Digits 56 Digital Root 2
Name
one billion nine hundred ninety million four hundred eight thousand eight hundred ninety-eight
Scientific notation
1.990408898 × 10^9
Engineering notation
1.990408898 × 10^9
Prime Factorization
2 × 1249 × 796801
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1990408898 Product of the distinct prime numbers
The prime factorization of 1990408898 is 2 × 1249 × 796801.
Since it has a total of 3 prime factors.
2 , 10 , 29 , 17 , 910 , 548 , 1452 , 9848 , 79252 , 35156 , 833001 , 460173 , 6664040 , 386596 , 5175474 , 39207576 , 905069310 , 583240929 , 350361212 , 3735720548
n×2
3980817796
n×3
5971226694
n×4
7961635592
n×5
9952044490
n÷2
995204449
n÷3
663469632.66667
n÷3
497602224.5
n÷5
398081779.6
n2
3961727581237574404
n3
7.8854578291473E+27
n4
1.5695285427939E+37
n5
3.1240035772419E+46
2 √n44613.99890169
3 √n1257.9038166517
4 √n211.22026157945
5 √n72.408318282127
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1990408897 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990408898 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990408898) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000110011101011000010
3
Ternary
12010201022020201002
4
Quaternary
1312220303223002
5
Quinary
13034021041043
6
Senary
525301212002
8
Octal
16650635302
10
Decimal
1990408898
12
Duodecimal
476701002
16
Hexadecimal
76a33ac2
20
Vigesimal
1b20124i
36
Base36
wx1dc2
md5
fc061651e2dbfedfb95a4552928611cb
sha1
d04421efe57eca8ab520cd8cb35512e29f2d868c
sha256
d8303a81777e1439db061f0a9b7415b30881f0076291472e761767024cd80854
sha512
ba7d4b942045944ef5293cf900d8412c463facc09d0efe4fee3910e97f19f4d18b222aa27168f07d5f120b4a196a9afb3d262f8069e65f5a92500bebcba358dd
ripemd-160
db66a08bc22d89d66b912fef57b34ba2521d19e8
Diameter
3980817796
Circumference
12506107943.193
Area
1.244613426474E+19
Volume
3.3030528514988E+28
Surface area
4.978453705896E+19
Circumference
12506107943.193
Perimeter
7961635592
Area
3961727581237574404
Diagonal
2814863258.2197
Surface area
2.3770365487425E+19
Volume
7.8854578291473E+27
Space diagonal
3447489339.1732
Perimeter
5971226694
Area
1.7154783641126E+18
Altitude
1723744669.5866
Surface area
1.7154783641126E+18
Volume
9.2931011729177E+26
Height
938287752.7399