1998698505 is an odd 10-digits composite number following 1998698504
and preceding 1998698506 . In scientific notation, it is written as 1.998698505 × 10^9.
The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors.
There are 1019625728 positive integers (up to 1998698505) that are relatively prime to 1998698505.
1998698505 has 8 divisors, whose sum is 2224638720
The reverse of 1998698505 is 5058968991
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 60
Digital Root 6
Name
one billion nine hundred ninety-eight million six hundred ninety-eight thousand five hundred five
Scientific notation
1.998698505 × 10^9
Engineering notation
1.998698505 × 10^9
Prime Factorization
15 × 23 × 5793329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998698505
Product of the distinct prime numbers
The prime factorization of 1998698505 is 15 × 23 × 5793329.
Since it has a total of 3 prime factors.
1 , 4 , 31 , 96 , 174 , 775 , 9489 , 1774 , 49709 , 32433 , 185881 , 310706 , 7826384 , 5358391 , 22252665 , 82498252 , 12201449 , 101230144 , 5409506722 , 4961718021
n×2
3997397010
n×3
5996095515
n×4
7994794020
n×5
9993492525
n÷2
999349252.5
n÷3
666232835
n÷3
499674626.25
n÷5
399739701
n2
3994795713889235025
n3
7.9843922211308E+27
n4
1.5958392795708E+37
n5
3.1896015822984E+46
2 √n
44706.806025481
3 √n
1259.6476937666
4 √n
211.43984020397
5 √n
72.468530940334
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
-1998698504
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 1998698505 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998698505) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001000011011100000001001
3
Ternary
12011021220101220120
4
Quaternary
1313020123200021
5
Quinary
13043131323010
6
Senary
530155013453
8
Octal
16710334011
10
Decimal
1998698505
12
Duodecimal
47943a289
16
Hexadecimal
7721b809
20
Vigesimal
1b4bh655
36
Base36
x1z1mx
md5
0bc329801a10876a512a311a8dbedc84
sha1
b3442fbffcdb391d5837b6e82d7a2b0ee041d8b9
sha256
8e7eca763836d855552dbf3c070d68bfd6c409058b1db8ec423528c949e7c66f
sha512
c32c2bf5b3a94d9c2d6d2deecf00c20e060510933c7ef347df1d60d51869c857865f9f36ab845cb933e8a2fda2c0b0e87a4d3f151a30fc6aa6babe75ebe6df2f
ripemd-160
274b87359ffae0105d38c3069b84f917f107bcdb
Diameter
3997397010
Circumference
12558193080.098
Area
1.2550020867346E+19
Volume
3.3444943927045E+28
Surface area
5.0200083469386E+19
Circumference
12558193080.098
Perimeter
7994794020
Area
3994795713889235025
Diagonal
2826586532.8658
Surface area
2.3968774283335E+19
Volume
7.9843922211308E+27
Space diagonal
3461847359.672
Perimeter
5996095515
Area
1.7297972855786E+18
Altitude
1730923679.836
Surface area
1.7297972855786E+18
Volume
9.4096964720245E+26
Height
942195510.95528