198777778 is an even 9-digits composite number following 198777777
and preceding 198777779 . In scientific notation, it is written as 1.98777778 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 99368100 positive integers (up to 198777778) that are relatively prime to 198777778.
198777778 has 8 divisors, whose sum is 298229040
The reverse of 198777778 is 877777891
Previous prime number is 7451
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
one hundred ninety-eight million seven hundred seventy-seven thousand seven hundred seventy-eight
Scientific notation
1.98777778 × 10^8
Engineering notation
1.98777778 × 10^6
Prime Factorization
2 × 7451 × 13339
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
198777778
Product of the distinct prime numbers
The prime factorization of 198777778 is 2 × 7451 × 13339.
Since it has a total of 3 prime factors.
3 , 2 , 78 , 26 , 718 , 99 , 4740 , 8758 , 94963 , 2879 , 51198 , 933437 , 9337814 , 7340164 , 94769429 , 10966454 , 571127051 , 969422149 , 3168374247 , 4621719354
n×2
397555556
n×3
596333334
n×4
795111112
n×5
993888890
n÷2
99388889
n÷3
66259259.333333
n÷3
49694444.5
n÷5
39755555.6
n2
39512605026617284
n3
7.8542278301826E+24
n4
1.5612459559895E+33
n5
3.1034100204307E+41
2 √n
14098.857329585
3 √n
583.60984644781
4 √n
118.73860926247
5 √n
45.674475233205
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
-198777777
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 198777778 can be divided by 8 positive divisors.
The sum of these divisors (counting 198777778) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011110110010001101110110010
3
Ternary
111212000221211221
4
Quaternary
23312101232302
5
Quinary
401341342103
6
Senary
31420255254
8
Octal
1366215662
10
Decimal
198777778
12
Duodecimal
566a152a
16
Hexadecimal
bd91bb2
20
Vigesimal
322748i
36
Base36
3achwy
md5
23098b359a7af914f3ab3cf4e73d1700
sha1
1408399866cec9d2705be3344d36517912b69d9f
sha256
46c5d08cfa065a1f128dd9b8b570d9e8111bd528284fd03f66a59a1135311701
sha512
bdb023f27c16c88cb2aad8dc46561f8f1b7b733486bb9cf846fa76ab74220969ebcb8e6ecb4803929771f9b298f8d55cf5a729f23012bd8b217b931cc22172b1
ripemd-160
51211c3245e2b16ed2f271eb7cf42f72829bf121
Diameter
397555556
Circumference
1248957614.1234
Area
1.2413250967582E+17
Volume
3.289971260123E+25
Surface area
4.9653003870326E+17
Circumference
1248957614.1234
Perimeter
795111112
Area
39512605026617284
Diagonal
281114229.54599
Surface area
237075630159703704
Volume
7.8542278301826E+24
Space diagonal
344293210.91165
Perimeter
596333334
Area
1.7109459861376E+16
Altitude
172146605.45582
Surface area
1.7109459861376E+16
Volume
9.256296266177E+23
Height
93704743.181996