198749649 is an odd 9-digits composite number following 198749648
and preceding 198749650 . In scientific notation, it is written as 1.98749649 × 10^8.
The sum of its digits is 57. It has a total of 5 prime factors and 32 positive divisors.
There are 109175040 positive integers (up to 198749649) that are relatively prime to 198749649.
198749649 has 32 divisors, whose sum is 314712064
The reverse of 198749649 is 946947891
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
one hundred ninety-eight million seven hundred forty-nine thousand six hundred forty-nine
Scientific notation
1.98749649 × 10^8
Engineering notation
1.98749649 × 10^6
Prime Factorization
3 × 7 × 163 × 31 × 1873
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
198749649
Product of the distinct prime numbers
The prime factorization of 198749649 is 3 × 7 × 163 × 31 × 1873.
Since it has a total of 5 prime factors.
4 , 6 , 33 , 79 , 617 , 269 , 581 , 7939 , 88915 , 67933 , 288724 , 233495 , 6313536 , 9362849 , 83886379 , 36965157 , 753676997 , 669611878 , 5864470173 , 5176889776
n×2
397499298
n×3
596248947
n×4
794998596
n×5
993748245
n÷2
99374824.5
n÷3
66249883
n÷3
49687412.25
n÷5
39749929.8
n2
39501422977623201
n3
7.8508939518031E+24
n4
1.5603624172571E+33
n5
3.1012148274264E+41
2 √n
14097.859731179
3 √n
583.58231631515
4 √n
118.73440837086
5 √n
45.673182483023
1 , 3 , 7 , 21 , 31 , 93 , 163 , 217 , 489 , 651 , 1141 , 1873 , 3423 , 5053 , 5619 , 13111 , 15159 , 35371 , 39333 , 58063 , 106113 , 174189 , 305299 , 406441 , 915897 , 1219323 , 2137093 , 6411279 , 9464269 , 28392807 , 66249883 , 198749649
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-198749648
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 198749649 can be divided by 32 positive divisors.
The sum of these divisors (counting 198749649) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1011110110001010110111010001
3
Ternary
111211222112021010
4
Quaternary
23312022313101
5
Quinary
401334442044
6
Senary
31415521133
8
Octal
1366126721
10
Decimal
198749649
12
Duodecimal
566891a9
16
Hexadecimal
bd8add1
20
Vigesimal
3223e29
36
Base36
3abw7l
md5
66f75f41e39e446f2c11a9d93b730e56
sha1
fb4ed15cc79dd2ddb63bf31afe98163e5fe16bb8
sha256
0ca21b3afcd09d796e754c190611902ba5a34ae3b6164be36285f7e84b1963ea
sha512
b3e7bab349ce49e7e6d6f2bbee8175a546a6bc4797f7b5a0e2348920dd8266fd4fcbd072016681cf267e103e74c366ff20df7ec15831e8055ab5642c18bf6cc4
ripemd-160
ded9d8e63b9500e85bea619d099794f980ca2220
Diameter
397499298
Circumference
1248780874.4039
Area
1.2409738023284E+17
Volume
3.288574768413E+25
Surface area
4.9638952093138E+17
Circumference
1248780874.4039
Perimeter
794998596
Area
39501422977623201
Diagonal
281074449.13269
Surface area
237008537865739206
Volume
7.8508939518031E+24
Space diagonal
344244490.05448
Perimeter
596248947
Area
1.7104617892128E+16
Altitude
172122245.02724
Surface area
1.7104617892128E+16
Volume
9.2523672528274E+23
Height
93691483.044231