1998994485 is an odd 10-digits composite number following 1998994484
and preceding 1998994486 . In scientific notation, it is written as 1.998994485 × 10^9.
The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors.
There are 1062699840 positive integers (up to 1998994485) that are relatively prime to 1998994485.
1998994485 has 8 divisors, whose sum is 2139121920
The reverse of 1998994485 is 5844998991
Previous prime number is 311
Is Prime? no Number parity odd Number length 10 Sum of Digits 66 Digital Root 3
Name
one billion nine hundred ninety-eight million nine hundred ninety-four thousand four hundred eighty-five
Scientific notation
1.998994485 × 10^9
Engineering notation
1.998994485 × 10^9
Prime Factorization
15 × 311 × 428509
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1998994485 Product of the distinct prime numbers
The prime factorization of 1998994485 is 15 × 311 × 428509.
Since it has a total of 3 prime factors.
7 , 10 , 25 , 88 , 12 , 420 , 9681 , 171 , 56302 , 77144 , 889674 , 281796 , 1402908 , 8201727 , 17094775 , 59335826 , 101047065 , 232264991 , 5921928295 , 6937177623
n×2
3997988970
n×3
5996983455
n×4
7995977940
n×5
9994972425
n÷2
999497242.5
n÷3
666331495
n÷3
499748621.25
n÷5
399798897
n2
3995978951060415225
n3
7.9879398853459E+27
n4
1.5967847777318E+37
n5
3.1919639644178E+46
2 √n44710.116137179
3 √n1259.709869581
4 √n211.44766760875
5 √n72.4706771335
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
-1998994484 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 1998994485 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998994485) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001001100011110000110101
3
Ternary
12011022110102220210
4
Quaternary
1313021203300311
5
Quinary
13043220310420
6
Senary
530205220033
8
Octal
16711436065
10
Decimal
1998994485
12
Duodecimal
479561619
16
Hexadecimal
77263c35
20
Vigesimal
1b4de645
36
Base36
x25e0l
md5
b6550c2f53216baaf7693a508421436a
sha1
3fc47e1645455fea33b7ca64fb87ee8ef75d83db
sha256
e0dcb39873d0b0db17aca4547463e0655e6428de2e1fceadd3daca58d27277b5
sha512
b4f2b02ad5c5a88a245fbda325ffbd625cd5622a30c7992d156c3e9852b3be9a83add75ae81525fdf52ff546c95ffb8321278b0391f18ade4ef241d129c5ab62
ripemd-160
dace8ea0f221c3c1cb8b8961fa0f9614ce32adb5
Diameter
3997988970
Circumference
12560052777.285
Area
1.2553738116551E+19
Volume
3.3459804348159E+28
Surface area
5.0214952466203E+19
Circumference
12560052777.285
Perimeter
7995977940
Area
3995978951060415225
Diagonal
2827005111.796
Surface area
2.3975873706362E+19
Volume
7.9879398853459E+27
Space diagonal
3462360012.07
Perimeter
5996983455
Area
1.7303096423031E+18
Altitude
1731180006.035
Surface area
1.7303096423031E+18
Volume
9.4138774343976E+26
Height
942335037.26534