198778891 is an odd 9-digits prime number following 198778890
and preceding 198778892 . In scientific notation, it is written as 1.98778891 × 10^8.
The sum of its digits is 58. It has a total of 1 prime factors and 2 positive divisors.
There are 198778890 positive integers (up to 198778891) that are relatively prime to 198778891.
198778891 has 2 divisors, whose sum is 198778892
The reverse of 198778891 is 198877891
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 58 Digital Root 4
Name
one hundred ninety-eight million seven hundred seventy-eight thousand eight hundred ninety-one
Scientific notation
1.98778891 × 10^8
Engineering notation
1.98778891 × 10^6
Prime Factorization
198778891
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
198778891 Product of the distinct prime numbers
The prime factorization of 198778891 is 198778891.
Since it has a total of 1 prime factors.
7 , 4 , 96 , 54 , 796 , 603 , 9562 , 1245 , 59890 , 95507 , 258883 , 991593 , 3629685 , 3215235 , 5595630 , 93836861 , 56960379 , 8991804 , 3219033568 , 3381344
n×2
397557782
n×3
596336673
n×4
795115564
n×5
993894455
n÷2
99389445.5
n÷3
66259630.333333
n÷3
49694722.75
n÷5
39755778.2
n2
39513047507189881
n3
7.8543597635095E+24
n4
1.5612809233054E+33
n5
3.1034969047411E+41
2 √n14098.896800814
3 √n583.61093569858
4 √n118.73877547294
5 √n45.674526381354
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
198778892 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
99389446 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
14098.896836278 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 198778891 can be divided by 2 positive divisors.
The sum of these divisors (counting 198778891) is 198778892, the average is 99389446.
Base
System
Value
2
Binary
1011110110010010000000001011
3
Ternary
111212001000101011
4
Quaternary
23312102000023
5
Quinary
401341411031
6
Senary
31420304351
8
Octal
1366220013
10
Decimal
198778891
12
Duodecimal
566a20b7
16
Hexadecimal
bd9200b
20
Vigesimal
322774b
36
Base36
3acirv
md5
3ad221549ef21b2de478fa939fdaff2d
sha1
76073d8257fddaf1b16c88b07c4b7e27239e6cd6
sha256
067e49b580131fa825599094bf0d537db0c35366c0961a77cf982f41ac5f186c
sha512
05bef634b52bd4d476dad145b1eca103ef1e0f9f7d4409160c61d88c53a4044f4a32e58630c192d5d75b8950f4f9b35e79d60f41976e80d4dc6aba3ef0886397
ripemd-160
3db314d79e633130ac308c48c19a287d54340ab3
Diameter
397557782
Circumference
1248964607.3087
Area
1.2413389976953E+17
Volume
3.2900265242257E+25
Surface area
4.9653559907813E+17
Circumference
1248964607.3087
Perimeter
795115564
Area
39513047507189881
Diagonal
281115803.56568
Surface area
237078285043139286
Volume
7.8543597635095E+24
Space diagonal
344295138.6842
Perimeter
596336673
Area
1.7109651461084E+16
Altitude
172147569.3421
Surface area
1.7109651461084E+16
Volume
9.2564517510939E+23
Height
93705267.855228