1990228421 is an odd 10-digits composite number following 1990228420
and preceding 1990228422 . In scientific notation, it is written as 1.990228421 × 10^9.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 1989825612 positive integers (up to 1990228421) that are relatively prime to 1990228421.
1990228421 has 4 divisors, whose sum is 1990631232
The reverse of 1990228421 is 1248220991
Previous prime number is 5003
Is Prime? no Number parity odd Number length 10 Sum of Digits 38 Digital Root 2
Name
one billion nine hundred ninety million two hundred twenty-eight thousand four hundred twenty-one
Scientific notation
1.990228421 × 10^9
Engineering notation
1.990228421 × 10^9
Prime Factorization
5003 × 397807
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1990228421 Product of the distinct prime numbers
The prime factorization of 1990228421 is 5003 × 397807.
Since it has a total of 2 prime factors.
2 , 4 , 55 , 20 , 695 , 395 , 2330 , 9601 , 2822 , 52722 , 700190 , 898396 , 3382640 , 6123467 , 4596234 , 80525726 , 102599998 , 493376062 , 1454796030 , 178390877
n×2
3980456842
n×3
5970685263
n×4
7960913684
n×5
9951142105
n÷2
995114210.5
n÷3
663409473.66667
n÷3
497557105.25
n÷5
398045684.2
n2
3961009167756153241
n3
7.8833130215099E+27
n4
1.5689593627048E+37
n5
3.1225875150492E+46
2 √n44611.976205947
3 √n1257.8657960605
4 √n211.21547340559
5 √n72.407005133852
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1990228420 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990228421 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990228421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101000000111100111000101
3
Ternary
12010200222002010202
4
Quaternary
1312220013213011
5
Quinary
13033444302141
6
Senary
525253300245
8
Octal
16650074705
10
Decimal
1990228421
12
Duodecimal
476634685
16
Hexadecimal
76a079c5
20
Vigesimal
1b1iib11
36
Base36
wwxi2t
md5
9431fafc38ceec674d5052fe7600633f
sha1
7bece826b2dbf528eb39ecdf4afa08d57ccad318
sha256
bfcd0a317bbc74fbacca2ddf7d03b8c2f6ced4663a4803517eb8401aa6175fa4
sha512
eb399e7fd6fe0225893b292546000faefa04196b70408ac2178aee086058d8965aa21d6948603267e833da9060e82ac5297a43d6a2bbbc5e5cc6dd59455ff1aa
ripemd-160
4af393d67b435e5ea13ade91ddf1c7aed57bb2cc
Diameter
3980456842
Circumference
12504973972.758
Area
1.2443877302225E+19
Volume
3.3021544365765E+28
Surface area
4.9775509208898E+19
Circumference
12504973972.758
Perimeter
7960913684
Area
3961009167756153241
Diagonal
2814608025.1986
Surface area
2.3766055006537E+19
Volume
7.8833130215099E+27
Space diagonal
3447176743.8396
Perimeter
5970685263
Area
1.7151672819499E+18
Altitude
1723588371.9198
Surface area
1.7151672819499E+18
Volume
9.2905734928764E+26
Height
938202675.0662