1990494815 is an odd 10-digits composite number following 1990494814
and preceding 1990494816 . In scientific notation, it is written as 1.990494815 × 10^9.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 1508585472 positive integers (up to 1990494815) that are relatively prime to 1990494815.
1990494815 has 4 divisors, whose sum is 2011447488
The reverse of 1990494815 is 5184940991
Previous prime number is 95
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion nine hundred ninety million four hundred ninety-four thousand eight hundred fifteen
Scientific notation
1.990494815 × 10^9
Engineering notation
1.990494815 × 10^9
Prime Factorization
95 × 20952577
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990494815
Product of the distinct prime numbers
The prime factorization of 1990494815 is 95 × 20952577.
Since it has a total of 2 prime factors.
1 , 4 , 66 , 65 , 295 , 104 , 3627 , 2906 , 1580 , 97740 , 640629 , 968157 , 1935553 , 1029501 , 59536902 , 64880621 , 907406806 , 197537254 , 935333247 , 4608914069
n×2
3980989630
n×3
5971484445
n×4
7961979260
n×5
9952474075
n÷2
995247407.5
n÷3
663498271.66667
n÷3
497623703.75
n÷5
398098963
n2
3962069608541884225
n3
7.8864790124717E+27
n4
1.5697995582931E+37
n5
3.1246778813718E+46
2 √n
44614.961784137
3 √n
1257.9219157413
4 √n
211.22254089973
5 √n
72.408943379621
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
-1990494814
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 1990494815 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990494815) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101001001000101001011111
3
Ternary
12010201110121120012
4
Quaternary
1312221020221133
5
Quinary
13034031313230
6
Senary
525303113435
8
Octal
16651105137
10
Decimal
1990494815
12
Duodecimal
47674287b
16
Hexadecimal
76a48a5f
20
Vigesimal
1b20bh0f
36
Base36
wx37mn
md5
9031b334a8d6a11769d0cd05c91dc398
sha1
77827d71bdbad7d6c2fbf50d302f78614e4ac2c6
sha256
6d31b5fd7d412f97955a16b1e6a081ab428ee4ddba4b34ef9bd3ec766d1066f5
sha512
2dfdce8910dd6e13777f7183910ce926a319b4d33b5b3a86983451f6dc356108788b3ee059a654ef4ff8565c8d3fe82a8c0a9e59a3bcc68dc493108f2a50272a
ripemd-160
839ec36dae1390f31c5678c6f2bb683e48093ac1
Diameter
3980989630
Circumference
12506647775.625
Area
1.2447208775207E+19
Volume
3.3034806037695E+28
Surface area
4.9788835100826E+19
Circumference
12506647775.625
Perimeter
7961979260
Area
3962069608541884225
Diagonal
2814984763.2063
Surface area
2.3772417651251E+19
Volume
7.8864790124717E+27
Space diagonal
3447638151.7824
Perimeter
5971484445
Area
1.7156264662798E+18
Altitude
1723819075.8912
Surface area
1.7156264662798E+18
Volume
9.2943046490069E+26
Height
938328254.40211