1998917435 is an odd 10-digits composite number following 1998917434
and preceding 1998917436 . In scientific notation, it is written as 1.998917435 × 10^9.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 1597182880 positive integers (up to 1998917435) that are relatively prime to 1998917435.
1998917435 has 8 divisors, whose sum is 2401627536
The reverse of 1998917435 is 5347198991
Previous prime number is 821
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred ninety-eight million nine hundred seventeen thousand four hundred thirty-five
Scientific notation
1.998917435 × 10^9
Engineering notation
1.998917435 × 10^9
Prime Factorization
5 × 821 × 486947
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998917435
Product of the distinct prime numbers
The prime factorization of 1998917435 is 5 × 821 × 486947.
Since it has a total of 3 prime factors.
1 , 6 , 62 , 11 , 472 , 235 , 4395 , 5465 , 33011 , 93189 , 505586 , 701424 , 7353157 , 9085575 , 74291793 , 5334891 , 706977487 , 355893249 , 8215977976 , 7302561974
n×2
3997834870
n×3
5996752305
n×4
7995669740
n×5
9994587175
n÷2
999458717.5
n÷3
666305811.66667
n÷3
499729358.75
n÷5
399783487
n2
3995670911946979225
n3
7.9870162504132E+27
n4
1.5965386036579E+37
n5
3.1913488505024E+46
2 √n
44709.254467056
3 √n
1259.6936844617
4 √n
211.44563004956
5 √n
72.470118457445
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
-1998917434
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 1998917435 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998917435) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001001010000111100111011
3
Ternary
12011022022112020002
4
Quaternary
1313021100330323
5
Quinary
13043210324220
6
Senary
530203423215
8
Octal
16711207473
10
Decimal
1998917435
12
Duodecimal
479524b0b
16
Hexadecimal
77250f3b
20
Vigesimal
1b4d4dbf
36
Base36
x23qkb
md5
953c8754bfb5304b0247f6dda64223e9
sha1
2f01187ab4d4c40d1b2301359c7cd208fcd97eaa
sha256
587cdd16c3dfa1f81ff3b1515233304a137418bcc796f0d3b6375e46e2b86a92
sha512
f6077d94b30072ac04b200d0438965a0180e0aba12d5867bf1067343b13830196dd0a65cbc53767237eedbab4d56dd3bb48f13db114ab33c53a87a030369a52c
ripemd-160
e1c93fd63797ed321f4c4753b7af0d20ac74a914
Diameter
3997834870
Circumference
12559568657.857
Area
1.2552770383135E+19
Volume
3.34559354352E+28
Surface area
5.021108153254E+19
Circumference
12559568657.857
Perimeter
7995669740
Area
3995670911946979225
Diagonal
2826896146.641
Surface area
2.3974025471682E+19
Volume
7.9870162504132E+27
Space diagonal
3462226557.5553
Perimeter
5996752305
Area
1.7301762574543E+18
Altitude
1731113278.7776
Surface area
1.7301762574543E+18
Volume
9.4127889201905E+26
Height
942298715.54701