1998006988 is an even 10-digits composite number following 1998006987
and preceding 1998006989 . In scientific notation, it is written as 1.998006988 × 10^9.
The sum of its digits is 58. It has a total of 3 prime factors and 6 positive divisors.
There are 999003492 positive integers (up to 1998006988) that are relatively prime to 1998006988.
1998006988 has 6 divisors, whose sum is 3496512236
The reverse of 1998006988 is 8896008991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 58
Digital Root 4
Name
one billion nine hundred ninety-eight million six thousand nine hundred eighty-eight
Scientific notation
1.998006988 × 10^9
Engineering notation
1.998006988 × 10^9
Prime Factorization
2 × 2 × 499501747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
999003494
Product of the distinct prime numbers
The prime factorization of 1998006988 is 2 × 2 × 499501747.
Since it has a total of 3 prime factors.
10 , 3 , 57 , 28 , 903 , 650 , 5445 , 2358 , 47992 , 8531 , 878051 , 986828 , 2940284 , 9299399 , 71972234 , 80301623 , 312380987 , 704813051 , 4978746958 , 7320224884
n×2
3996013976
n×3
5994020964
n×4
7992027952
n×5
9990034940
n÷2
999003494
n÷3
666002329.33333
n÷3
499501747
n÷5
399601397.6
n2
3992031924096832144
n3
7.9761076806646E+27
n4
1.5936318883008E+37
n5
3.1840876491247E+46
2 √n
44699.071444494
3 √n
1259.5024045079
4 √n
211.42154914884
5 √n
72.463515660864
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998006987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998006988 can be divided by 6 positive divisors.
The sum of these divisors (counting 1998006988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1110111000101110010101011001100
3
Ternary
12011020121021022211
4
Quaternary
1313011302223030
5
Quinary
13042442210423
6
Senary
530132120204
8
Octal
16705625314
10
Decimal
1998006988
12
Duodecimal
479166064
16
Hexadecimal
77172acc
20
Vigesimal
1b47ah98
36
Base36
x1k824
md5
c03dd1173295daaed47e8d51e4cb8c9d
sha1
ba61635d242d8e177593277f2c4c9006bb8f477f
sha256
fc86b0f430ed2a468519cfe115fb717e94b1a4714aa5c15fce73295f348e04ed
sha512
0f7575d5b6808aa238940b3174fdc2a0513de653aa52b7d57cd04903bed944382bfa7cf6da2bc85bcb6590a09a39f4312015d1a59571aec5b2f98286b4e43ce4
ripemd-160
db47da7b2894d5eb62e33c29bad3076cc697a3b6
Diameter
3996013976
Circumference
12553848150.644
Area
1.2541338165639E+19
Volume
3.3410241725089E+28
Surface area
5.0165352662554E+19
Circumference
12553848150.644
Perimeter
7992027952
Area
3992031924096832144
Diagonal
2825608580.1458
Surface area
2.3952191544581E+19
Volume
7.9761076806646E+27
Space diagonal
3460649617.0937
Perimeter
5994020964
Area
1.7286005294932E+18
Altitude
1730324808.5468
Surface area
1.7286005294932E+18
Volume
9.3999330474534E+26
Height
941869526.71527