1998756885 is an odd 10-digits composite number following 1998756884
and preceding 1998756886 . In scientific notation, it is written as 1.998756885 × 10^9.
The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors.
There are 1064380800 positive integers (up to 1998756885) that are relatively prime to 1998756885.
1998756885 has 8 divisors, whose sum is 2135253120
The reverse of 1998756885 is 5886578991
Previous prime number is 659
Is Prime? no Number parity odd Number length 10 Sum of Digits 66 Digital Root 3
Name
one billion nine hundred ninety-eight million seven hundred fifty-six thousand eight hundred eighty-five
Scientific notation
1.998756885 × 10^9
Engineering notation
1.998756885 × 10^9
Prime Factorization
15 × 659 × 202201
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1998756885 Product of the distinct prime numbers
The prime factorization of 1998756885 is 15 × 659 × 202201.
Since it has a total of 3 prime factors.
6 , 7 , 32 , 62 , 886 , 717 , 7923 , 8398 , 85458 , 62227 , 28264 , 863803 , 1087032 , 376894 , 85866597 , 82644665 , 674752131 , 483347091 , 7418918401 , 5752878613
n×2
3997513770
n×3
5996270655
n×4
7995027540
n×5
9993784425
n÷2
999378442.5
n÷3
666252295
n÷3
499689221.25
n÷5
399751377
n2
3995029085334903225
n3
7.9850918900884E+27
n4
1.5960257392672E+37
n5
3.1900674349975E+46
2 √n44707.458941434
3 √n1259.6599580002
4 √n211.44138417404
5 √n72.468954282163
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
-1998756884 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 1998756885 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998756885) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001000101001110000010101
3
Ternary
12011022000100222210
4
Quaternary
1313020221300111
5
Quinary
13043140210020
6
Senary
530200144033
8
Octal
16710516025
10
Decimal
1998756885
12
Duodecimal
479468019
16
Hexadecimal
77229c15
20
Vigesimal
1b4c4c45
36
Base36
x20aol
md5
a883eb805ceecc1f07c7a5c76e2c1a85
sha1
558c6445f4fb104a5708b4ca300d350401177ff0
sha256
7cec4b812cc05e8a939b48f728c786ad104ca8976f64fc9d0f98341b45d16210
sha512
322bbb4c7d61a416fda34465709fab8d0d22a5a75675f973c3c094d38e76dac5a4e7fcfbec38c7c0a2d3555760db31a111666a65ef1a8aff6e96e343f4d31e8e
ripemd-160
77355f17690233ecc4068a9781bc0bdfbff8729a
Diameter
3997513770
Circumference
12558559892.456
Area
1.2550754025366E+19
Volume
3.3447874693521E+28
Surface area
5.0203016101463E+19
Circumference
12558559892.456
Perimeter
7995027540
Area
3995029085334903225
Diagonal
2826669094.6536
Surface area
2.3970174512009E+19
Volume
7.9850918900884E+27
Space diagonal
3461948476.7981
Perimeter
5996270655
Area
1.7298983383789E+18
Altitude
1730974238.3991
Surface area
1.7298983383789E+18
Volume
9.4105210397987E+26
Height
942223031.5512