1990498518 is an even 10-digits composite number following 1990498517
and preceding 1990498519 . In scientific notation, it is written as 1.990498518 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 661617792 positive integers (up to 1990498518) that are relatively prime to 1990498518.
1990498518 has 16 divisors, whose sum is 3326906160
The reverse of 1990498518 is 8158940991
Previous prime number is 353
Is Prime? no
Number parity even
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion nine hundred ninety million four hundred ninety-eight thousand five hundred eighteen
Scientific notation
1.990498518 × 10^9
Engineering notation
1.990498518 × 10^9
Prime Factorization
2 × 9 × 353 × 313267
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1990498518
Product of the distinct prime numbers
The prime factorization of 1990498518 is 2 × 9 × 353 × 313267.
Since it has a total of 4 prime factors.
10 , 8 , 92 , 45 , 39 , 145 , 5847 , 5298 , 62375 , 95437 , 696399 , 553352 , 5823964 , 4983719 , 85433085 , 73525755 , 993748115 , 425123554 , 4064017869 , 4349213915
n×2
3980997036
n×3
5971495554
n×4
7961994072
n×5
9952492590
n÷2
995249259
n÷3
663499506
n÷3
497624629.5
n÷5
398099703.6
n2
3962084350160196324
n3
7.8865230271849E+27
n4
1.5698112397784E+37
n5
3.1247069463187E+46
2 √n
44615.003283649
3 √n
1257.9226957956
4 √n
211.22263913617
5 √n
72.408970320672
1 , 2 , 9 , 18 , 353 , 706 , 3177 , 6354 , 313267 , 626534 , 2819403 , 5638806 , 110583251 , 221166502 , 995249259 , 1990498518
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990498517
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990498518 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990498518) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101001001001100011010110
3
Ternary
12010201110210122100
4
Quaternary
1312221021203112
5
Quinary
13034031423033
6
Senary
525303142530
8
Octal
16651114326
10
Decimal
1990498518
12
Duodecimal
476744a46
16
Hexadecimal
76a498d6
20
Vigesimal
1b20c65i
36
Base36
wx3ahi
md5
b6a5c96e11c7a74b0982542cf005cd49
sha1
daafe3d790e2679200756bb7a9fa841dbcccffbb
sha256
397f7ea1ece81d28bbcabe7225c77e3cfb64042057e66988f3f3eddade7fd322
sha512
053a6b1ceaec269c991c29f3027cc245a358f90212c4b41c60f547e9398f1140e2e7eaf6991a75d21842e667eb812c973d2357e32cdcacd8727ec2deed4e0bb7
ripemd-160
d931d496d974ce95f6ee20a4a856eba3f5079396
Diameter
3980997036
Circumference
12506671042.26
Area
1.2447255087366E+19
Volume
3.3034990406094E+28
Surface area
4.9789020349465E+19
Circumference
12506671042.26
Perimeter
7961994072
Area
3962084350160196324
Diagonal
2814990000.0391
Surface area
2.3772506100961E+19
Volume
7.8865230271849E+27
Space diagonal
3447644565.5666
Perimeter
5971495554
Area
1.7156328495877E+18
Altitude
1723822282.7833
Surface area
1.7156328495877E+18
Volume
9.2943565208438E+26
Height
938330000.01305