198661838 is an even 9-digits composite number following 198661837
and preceding 198661839 . In scientific notation, it is written as 1.98661838 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 99330918 positive integers (up to 198661838) that are relatively prime to 198661838.
198661838 has 4 divisors, whose sum is 297992760
The reverse of 198661838 is 838166891
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred ninety-eight million six hundred sixty-one thousand eight hundred thirty-eight
Scientific notation
1.98661838 × 10^8
Engineering notation
1.98661838 × 10^6
Prime Factorization
2 × 99330919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
198661838
Product of the distinct prime numbers
The prime factorization of 198661838 is 2 × 99330919.
Since it has a total of 2 prime factors.
8 , 10 , 45 , 12 , 926 , 953 , 9488 , 4626 , 64208 , 70572 , 536768 , 60132 , 5577691 , 2779194 , 63457136 , 91265792 , 818830898 , 383185947 , 5066131131 , 2235255945
n×2
397323676
n×3
595985514
n×4
794647352
n×5
993309190
n÷2
99330919
n÷3
66220612.666667
n÷3
49665459.5
n÷5
39732367.6
n2
39466525877538244
n3
7.8404925703063E+24
n4
1.5576066648424E+33
n5
3.0943700291864E+41
2 √n
14094.745049131
3 √n
583.49635809946
4 √n
118.72129147348
5 √n
45.66914593069
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
-198661837
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 198661838 can be divided by 4 positive divisors.
The sum of these divisors (counting 198661838) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011110101110101011011001110
3
Ternary
111211211001210212
4
Quaternary
23311311123032
5
Quinary
401324134323
6
Senary
31414002422
8
Octal
1365653316
10
Decimal
198661838
12
Duodecimal
56646412
16
Hexadecimal
bd756ce
20
Vigesimal
321cebi
36
Base36
3aa0ge
md5
3d753187b1fcf144e7eb422bdaa56668
sha1
eb0138a3b19df2fb3c6b0191514eecb0c478b387
sha256
e4e46a849ffee45f77be617ad918458837500556b9b73685717d9e37366e7b43
sha512
a6e814712d74456b3a1a7e52ef8cdb223dd05085d20b8da9340aba14d2ec3c8f3b104b02f47a4d9534f3820f54c88bc9f3c229a9225b0b53f8e9e1311ec8267c
ripemd-160
a37801e0322e115388975df6e6ebfc2f8e94673b
Diameter
397323676
Circumference
1248229141.6189
Area
1.2398774775959E+17
Volume
3.28421784792E+25
Surface area
4.9595099103834E+17
Circumference
1248229141.6189
Perimeter
794647352
Area
39466525877538244
Diagonal
280950265.62557
Surface area
236799155265229464
Volume
7.8404925703063E+24
Space diagonal
344092396.94102
Perimeter
595985514
Area
1.7089507004532E+16
Altitude
172046198.47051
Surface area
1.7089507004532E+16
Volume
9.2401091071772E+23
Height
93650088.541856