1998492765 is an odd 10-digits composite number following 1998492764
and preceding 1998492766 . In scientific notation, it is written as 1.998492765 × 10^9.
The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors.
There are 1065862800 positive integers (up to 1998492765) that are relatively prime to 1998492765.
1998492765 has 8 divisors, whose sum is 3197588448
The reverse of 1998492765 is 5672948991
Previous prime number is 5
Is Prime? no Number parity odd Number length 10 Sum of Digits 60 Digital Root 6
Name
one billion nine hundred ninety-eight million four hundred ninety-two thousand seven hundred sixty-five
Scientific notation
1.998492765 × 10^9
Engineering notation
1.998492765 × 10^9
Prime Factorization
3 × 5 × 133232851
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1998492765 Product of the distinct prime numbers
The prime factorization of 1998492765 is 3 × 5 × 133232851.
Since it has a total of 3 prime factors.
9 , 8 , 6 , 2 , 836 , 234 , 9755 , 6887 , 88912 , 70352 , 254672 , 591735 , 22131 , 4066541 , 56121955 , 17517536 , 280467381 , 933427562 , 6428847286 , 7082767568
n×2
3996985530
n×3
5995478295
n×4
7993971060
n×5
9992463825
n÷2
999246382.5
n÷3
666164255
n÷3
499623191.25
n÷5
399698553
n2
3993973331757345225
n3
7.98192680712E+27
n4
1.5951822974789E+37
n5
3.1879602803676E+46
2 √n44704.504974331
3 √n1259.6044708378
4 √n211.43439874895
5 √n72.467038940469
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
-1998492764 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 1998492765 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998492765) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000111101001010001011101
3
Ternary
12011021111221200120
4
Quaternary
1313013221101131
5
Quinary
13043103232030
6
Senary
530150345153
8
Octal
16707512135
10
Decimal
1998492765
12
Duodecimal
47935b1b9
16
Hexadecimal
771e945d
20
Vigesimal
1b4abbi5
36
Base36
x1umvx
md5
05f161de277a8f1d8968792bc100f666
sha1
069e5d8b0b03d8c6a2b0febf01f08f3a0922d351
sha256
8f0b4390ec19ec8729eb50e31d1ca705d69e11018dedd3fae7f2a6a9fff97ebf
sha512
85e10fc2b9c613e387bbf627daea2cd67b481a35cb73cb8738a1837c378fd8eba86de791dcea67c1c26420b424746c6d395b3dbc374d77f39764a88540c604dd
ripemd-160
6615c883e41d089295bb8e769cc09f195e2a2c2f
Diameter
3996985530
Circumference
12556900377.553
Area
1.2547437277682E+19
Volume
3.3434616824986E+28
Surface area
5.018974911073E+19
Circumference
12556900377.553
Perimeter
7993971060
Area
3993973331757345225
Diagonal
2826295572.5675
Surface area
2.3963839990544E+19
Volume
7.98192680712E+27
Space diagonal
3461491007.5388
Perimeter
5995478295
Area
1.7294411836697E+18
Altitude
1730745503.7694
Surface area
1.7294411836697E+18
Volume
9.4067909537487E+26
Height
942098524.18917