1998597955 is an odd 10-digits composite number following 1998597954
and preceding 1998597956 . In scientific notation, it is written as 1.998597955 × 10^9.
The sum of its digits is 67. It has a total of 2 prime factors and 4 positive divisors.
There are 1598878360 positive integers (up to 1998597955) that are relatively prime to 1998597955.
1998597955 has 4 divisors, whose sum is 2398317552
The reverse of 1998597955 is 5597958991
Previous prime number is 5
Is Prime? no Number parity odd Number length 10 Sum of Digits 67 Digital Root 4
Name
one billion nine hundred ninety-eight million five hundred ninety-seven thousand nine hundred fifty-five
Scientific notation
1.998597955 × 10^9
Engineering notation
1.998597955 × 10^9
Prime Factorization
5 × 399719591
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1998597955 Product of the distinct prime numbers
The prime factorization of 1998597955 is 5 × 399719591.
Since it has a total of 2 prime factors.
1 , 4 , 10 , 98 , 898 , 679 , 9160 , 5979 , 69610 , 83352 , 581719 , 6509 , 9138019 , 9746289 , 13537761 , 94202982 , 182396924 , 710145851 , 8088889606 , 3065820768
n×2
3997195910
n×3
5995793865
n×4
7994391820
n×5
9992989775
n÷2
999298977.5
n÷3
666199318.33333
n÷3
499649488.75
n÷5
399719591
n2
3994393785730182025
n3
7.9831872516251E+27
n4
1.595518171548E+37
n5
3.1887993548212E+46
2 √n44705.681462203
3 √n1259.6265700704
4 √n211.4371808888
5 √n72.467801780092
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1998597954 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998597955 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998597955) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001000000010111101000011
3
Ternary
12011021201021222111
4
Quaternary
1313020002331003
5
Quinary
13043120113310
6
Senary
530152520151
8
Octal
16710027503
10
Decimal
1998597955
12
Duodecimal
4793b0057
16
Hexadecimal
77202f43
20
Vigesimal
1b4b4ehf
36
Base36
x1ww1v
md5
c7cc966b83229b6915d7915c1de5aeb7
sha1
9b3c9877804cbecae305b29b94d4b243529a079d
sha256
958a3be8ea216a7ab5cb1a161179a95a5473440c1bc7c15c404005fb46b80404
sha512
41751cef20fb851f823dd9bd16c3d3dc47c1fec030a295f0c476e3d673f67c34c306ba0522b58a0e1c429be6663c383faaf9b72580e4ba8cf431fa712c68bf9b
ripemd-160
be5f28e30829c38e92d9ed44ba43c06d1f22f75e
Diameter
3997195910
Circumference
12557561305.815
Area
1.2548758172795E+19
Volume
3.3439896562583E+28
Surface area
5.0195032691179E+19
Circumference
12557561305.815
Perimeter
7994391820
Area
3994393785730182025
Diagonal
2826444333.6921
Surface area
2.3966362714381E+19
Volume
7.9831872516251E+27
Space diagonal
3461673201.9633
Perimeter
5995793865
Area
1.7296232455805E+18
Altitude
1730836600.9816
Surface area
1.7296232455805E+18
Volume
9.4082764018435E+26
Height
942148111.23071