198989818 is an even 9-digits composite number following 198989817
and preceding 198989819 . In scientific notation, it is written as 1.98989818 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 99296604 positive integers (up to 198989818) that are relatively prime to 198989818.
198989818 has 8 divisors, whose sum is 299079648
The reverse of 198989818 is 818989891
Previous prime number is 503
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
one hundred ninety-eight million nine hundred eighty-nine thousand eight hundred eighteen
Scientific notation
1.98989818 × 10^8
Engineering notation
1.98989818 × 10^6
Prime Factorization
2 × 503 × 197803
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
198989818
Product of the distinct prime numbers
The prime factorization of 198989818 is 2 × 503 × 197803.
Since it has a total of 3 prime factors.
10 , 10 , 20 , 61 , 544 , 666 , 2006 , 4583 , 13488 , 83882 , 631403 , 59878 , 9808537 , 7683132 , 62358839 , 20491669 , 198212058 , 2879505 , 7753621036 , 7133180417
n×2
397979636
n×3
596969454
n×4
795959272
n×5
994949090
n÷2
99494909
n÷3
66329939.333333
n÷3
49747454.5
n÷5
39797963.6
n2
39596947667673124
n3
7.8793894097458E+24
n4
1.5679182645964E+33
n5
3.1199977011092E+41
2 √n
14106.375083628
3 √n
583.81728857653
4 √n
118.77026178142
5 √n
45.684215442678
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
-198989817
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 198989818 can be divided by 8 positive divisors.
The sum of these divisors (counting 198989818) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011110111000101011111111010
3
Ternary
111212102201201021
4
Quaternary
23313011133322
5
Quinary
401420133233
6
Senary
31425013054
8
Octal
1367053772
10
Decimal
198989818
12
Duodecimal
5678418a
16
Hexadecimal
bdc57fa
20
Vigesimal
323deai
36
Base36
3ah1iy
md5
77d8de96f0e9cca5f949ed72dbf89021
sha1
a93898fe9d28520abfa156a491bb62c8023a64c1
sha256
72a522cc6d2ecb3fe144adda91e00ec5d06b4886a94561ba5b598235ca6dd93f
sha512
61c086b13519f372f8019add2f1032b0e01b7d0a0ec26c1e8268fb202dd3a58b6528f294b3ea0df33497ac829eed264cafb624fa28ddad0f6613da114e693700
ripemd-160
1de23f37cc3322aad4d615f191502c932aacf4bf
Diameter
397979636
Circumference
1250289900.7359
Area
1.2439747989734E+17
Volume
3.3005109179241E+25
Surface area
4.9758991958937E+17
Circumference
1250289900.7359
Perimeter
795959272
Area
39596947667673124
Diagonal
281414099.38975
Surface area
237581686006038744
Volume
7.8793894097458E+24
Space diagonal
344660474.96488
Perimeter
596969454
Area
1.7145981296264E+16
Altitude
172330237.48244
Surface area
1.7145981296264E+16
Volume
9.2859494720679E+23
Height
93804699.796585