998642942 is an even 9-digits composite number following 998642941
and preceding 998642943 . In scientific notation, it is written as 9.98642942 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 453928600 positive integers (up to 998642942) that are relatively prime to 998642942.
998642942 has 8 divisors, whose sum is 1634143032
The reverse of 998642942 is 249246899
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
nine hundred ninety-eight million six hundred forty-two thousand nine hundred forty-two
Scientific notation
9.98642942 × 10^8
Engineering notation
9.98642942 × 10^6
Prime Factorization
2 × 11 × 45392861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
998642942
Product of the distinct prime numbers
The prime factorization of 998642942 is 2 × 11 × 45392861.
Since it has a total of 3 prime factors.
5 , 5 , 21 , 24 , 793 , 20 , 7698 , 2251 , 99108 , 60807 , 846490 , 635177 , 2100539 , 4369609 , 48445893 , 25280569 , 788954288 , 131187099 , 8245822384 , 2017814896
n×2
1997285884
n×3
2995928826
n×4
3994571768
n×5
4993214710
n÷2
499321471
n÷3
332880980.66667
n÷3
249660735.5
n÷5
199728588.4
n2
997287725606415364
n3
9.9593434832008E+26
n4
9.9458280764522E+35
n5
9.9323310108944E+44
2 √n
31601.312346167
3 √n
999.54744255599
4 √n
177.76757956997
5 √n
63.078600230403
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
-998642941
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 998642942 can be divided by 8 positive divisors.
The sum of these divisors (counting 998642942) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011100001100001010011111110
3
Ternary
2120121010022120122
4
Quaternary
323201201103332
5
Quinary
4021123033232
6
Senary
243032214542
8
Octal
7341412376
10
Decimal
998642942
12
Duodecimal
23a53a452
16
Hexadecimal
3b8614fe
20
Vigesimal
fc1a772
36
Base36
gikdtq
md5
a2e0255d45fefa8f870edf2f32af6a6a
sha1
10646846a2f38f5a0c1de7fe32ce9b60b1c77bf3
sha256
1a4ea9cb5f69e6164a3704a6ab1be376f2d9c3545f56b95a1fc4fb7874b617c8
sha512
ad62f0f8eeae289ce8c75420936ecdfe2c5fca4310eb925d9480959836f9dacba25b6fec19dce38a4f23649f42405e401596f84e4d5e9e667dc18f4304be29e2
ripemd-160
45947ea24380790112213d891dca8f6ee4b503b1
Diameter
1997285884
Circumference
6274658660.293
Area
3.1330717922804E+18
Volume
4.1717600428535E+27
Surface area
1.2532287169122E+19
Circumference
6274658660.293
Perimeter
3994571768
Area
997287725606415364
Diagonal
1412294392.5446
Surface area
5983726353638492184
Volume
9.9593434832008E+26
Space diagonal
1729700314.1641
Perimeter
2995928826
Area
4.3183825262878E+17
Altitude
864850157.08203
Surface area
4.3183825262878E+17
Volume
1.1737198855229E+26
Height
470764797.51486