998416987 is an odd 9-digits composite number following 998416986
and preceding 998416988 . In scientific notation, it is written as 9.98416987 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 936026112 positive integers (up to 998416987) that are relatively prime to 998416987.
998416987 has 8 divisors, whose sum is 1061265456
The reverse of 998416987 is 789614899
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
nine hundred ninety-eight million four hundred sixteen thousand nine hundred eighty-seven
Scientific notation
9.98416987 × 10^8
Engineering notation
9.98416987 × 10^6
Prime Factorization
17 × 257 × 228523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
998416987
Product of the distinct prime numbers
The prime factorization of 998416987 is 17 × 257 × 228523.
Since it has a total of 3 prime factors.
6 , 6 , 49 , 72 , 182 , 50 , 3853 , 9108 , 72903 , 24304 , 620609 , 502377 , 5565570 , 3154747 , 39715903 , 64777991 , 186458874 , 520593528 , 7848583995 , 5493774760
n×2
1996833974
n×3
2995250961
n×4
3993667948
n×5
4992084935
n÷2
499208493.5
n÷3
332805662.33333
n÷3
249604246.75
n÷5
199683397.4
n2
996836479930158169
n3
9.9525847482355E+26
n4
9.9368296771955E+35
n5
9.9210995466377E+44
2 √n
31597.737055049
3 √n
999.47205031819
4 √n
177.75752320239
5 √n
63.075745513336
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
-998416986
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 998416987 can be divided by 8 positive divisors.
The sum of these divisors (counting 998416987) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011100000101010001001011011
3
Ternary
2120120200211121221
4
Quaternary
323200222021123
5
Quinary
4021043320422
6
Senary
243023312511
8
Octal
7340521133
10
Decimal
998416987
12
Duodecimal
23a44b737
16
Hexadecimal
3b82a25b
20
Vigesimal
fc02297
36
Base36
gifjh7
md5
f55f71d91e82637dba107f546531c1f6
sha1
9f0d73d61cf062e8bd639bd56cac454c4328c876
sha256
1c95fde1dbfa9eeaf9c44b92633ba2efbf92cb08762339e87284b0ce973f24b0
sha512
fd547a6accdb71e0fe06da55f0b32f7ac8d864a6a34fca2c751210680b47fef8b03c181ff392571101e8f64b3c1c3cac4742f30679d3b1300fbc0b92290c6ca7
ripemd-160
4903b4c27ad3e9d7d09e91f93466ceb61105df19
Diameter
1996833974
Circumference
6273238943.1569
Area
3.1316541621789E+18
Volume
4.1689289505715E+27
Surface area
1.2526616648716E+19
Circumference
6273238943.1569
Perimeter
3993667948
Area
996836479930158169
Diagonal
1411974843.9191
Surface area
5981018879580949014
Volume
9.9525847482355E+26
Space diagonal
1729308948.6238
Perimeter
2995250961
Area
4.3164285751929E+17
Altitude
864654474.31192
Surface area
4.3164285751929E+17
Volume
1.1729233609685E+26
Height
470658281.30636