198778897 is an odd 9-digits prime number following 198778896
and preceding 198778898 . In scientific notation, it is written as 1.98778897 × 10^8.
The sum of its digits is 64. It has a total of 1 prime factors and 2 positive divisors.
There are 198778896 positive integers (up to 198778897) that are relatively prime to 198778897.
198778897 has 2 divisors, whose sum is 198778898
The reverse of 198778897 is 798877891
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 64 Digital Root 1
Name
one hundred ninety-eight million seven hundred seventy-eight thousand eight hundred ninety-seven
Scientific notation
1.98778897 × 10^8
Engineering notation
1.98778897 × 10^6
Prime Factorization
198778897
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
198778897 Product of the distinct prime numbers
The prime factorization of 198778897 is 198778897.
Since it has a total of 1 prime factors.
5 , 9 , 90 , 47 , 887 , 425 , 4348 , 5365 , 71152 , 30779 , 242853 , 306112 , 8288073 , 1706871 , 87257360 , 87506796 , 115960043 , 696427742 , 2906893186 , 8076270844
n×2
397557794
n×3
596336691
n×4
795115588
n×5
993894485
n÷2
99389448.5
n÷3
66259632.333333
n÷3
49694724.25
n÷5
39755779.4
n2
39513049892536609
n3
7.8543604747444E+24
n4
1.5612811118101E+33
n5
3.1034973731254E+41
2 √n14098.897013596
3 √n583.61094157054
4 √n118.73877636895
5 √n45.674526657085
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
198778898 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
99389449 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
14098.89704906 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999899386 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 198778897 can be divided by 2 positive divisors.
The sum of these divisors (counting 198778897) is 198778898, the average is 99389449.
Base
System
Value
2
Binary
1011110110010010000000010001
3
Ternary
111212001000101101
4
Quaternary
23312102000101
5
Quinary
401341411042
6
Senary
31420304401
8
Octal
1366220021
10
Decimal
198778897
12
Duodecimal
566a2101
16
Hexadecimal
bd92011
20
Vigesimal
322774h
36
Base36
3acis1
md5
dbe9f92977ef8687cfbee98955d158aa
sha1
54ba2d0ea40fe07ef7e3ab1b4d32b321ec9e3a82
sha256
4ad01dee66b20965f23db4bad34f659b5da8a36a2376880c23dd7694a555d833
sha512
e85e2f36eb378e58a6ca2ff573b9e4af24c63516be042b6726cbdb612b497b56fa5e347b2f57097e7e38a8d91ca7e3a8a484abd4ac618fa17c78e40411fb6933
ripemd-160
a4a8f4819c702c3885ed607159217230b115ff18
Diameter
397557794
Circumference
1248964645.0078
Area
1.2413390726332E+17
Volume
3.2900268221471E+25
Surface area
4.9653562905328E+17
Circumference
1248964645.0078
Perimeter
795115588
Area
39513049892536609
Diagonal
281115812.05096
Surface area
237078299355219654
Volume
7.8543604747444E+24
Space diagonal
344295149.0765
Perimeter
596336691
Area
1.7109652493969E+16
Altitude
172147574.53825
Surface area
1.7109652493969E+16
Volume
9.2564525892923E+23
Height
93705270.683655