199158981 is an odd 9-digits composite number following 199158980
and preceding 199158982 . In scientific notation, it is written as 1.99158981 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors.
There are 113805048 positive integers (up to 199158981) that are relatively prime to 199158981.
199158981 has 12 divisors, whose sum is 308899872
The reverse of 199158981 is 189851991
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred ninety-nine million one hundred fifty-eight thousand nine hundred eighty-one
Scientific notation
1.99158981 × 10^8
Engineering notation
1.99158981 × 10^6
Prime Factorization
3 × 7 × 7 × 1354823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28451283
Product of the distinct prime numbers
The prime factorization of 199158981 is 3 × 7 × 7 × 1354823.
Since it has a total of 4 prime factors.
10 , 8 , 97 , 43 , 402 , 309 , 5440 , 6187 , 57437 , 6096 , 209736 , 138901 , 6680864 , 9624986 , 58859249 , 95823252 , 396711047 , 999045548 , 3164024944 , 493057154
n×2
398317962
n×3
597476943
n×4
796635924
n×5
995794905
n÷2
99579490.5
n÷3
66386327
n÷3
49789745.25
n÷5
39831796.2
n2
39664299712958361
n3
7.8995015129114E+24
n4
1.5732566717194E+33
n5
3.1332819559108E+41
2 √n
14112.369786822
3 √n
583.98267779514
4 √n
118.79549565039
5 √n
45.691980113726
1 , 3 , 7 , 21 , 49 , 147 , 1354823 , 4064469 , 9483761 , 28451283 , 66386327 , 199158981
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-199158980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199158981 can be divided by 12 positive divisors.
The sum of these divisors (counting 199158981) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1011110111101110110011000101
3
Ternary
111212202022202120
4
Quaternary
23313232303011
5
Quinary
401441041411
6
Senary
31432400153
8
Octal
1367566305
10
Decimal
199158981
12
Duodecimal
56846059
16
Hexadecimal
bdeecc5
20
Vigesimal
324eh91
36
Base36
3ako1x
md5
4f9c4ddfc2f17bf4a4febbef25e2925f
sha1
32407b79b130b04a8e973444a01bcca181ddfa89
sha256
e40d78944a84c94b8cfcde5b13f6077c634bbcff91865495392c7c609989c619
sha512
5ada5b61fca37299d2a69d2a90ea184232630d4bdb5265b9dd31e118ed586e0be45edc0e67b4d419ea01a4f24adea1046c189e809c0e167bcf9303a6f34fc7eb
ripemd-160
1ca11b1bb044a2722ac6a7af543245dccaf6372a
Diameter
398317962
Circumference
1251352783.2121
Area
1.2460907258801E+17
Volume
3.3089354559978E+25
Surface area
4.9843629035205E+17
Circumference
1251352783.2121
Perimeter
796635924
Area
39664299712958361
Diagonal
281653331.99861
Surface area
237985798277750166
Volume
7.8995015129114E+24
Space diagonal
344953473.87564
Perimeter
597476943
Area
1.7175145587371E+16
Altitude
172476736.93782
Surface area
1.7175145587371E+16
Volume
9.309651812955E+23
Height
93884443.999535