199987913 is an odd 9-digits composite number following 199987912
and preceding 199987914 . In scientific notation, it is written as 1.99987913 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 193536660 positive integers (up to 199987913) that are relatively prime to 199987913.
199987913 has 4 divisors, whose sum is 206439168
The reverse of 199987913 is 319789991
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred ninety-nine million nine hundred eighty-seven thousand nine hundred thirteen
Scientific notation
1.99987913 × 10^8
Engineering notation
1.99987913 × 10^6
Prime Factorization
31 × 6451223
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
199987913
Product of the distinct prime numbers
The prime factorization of 199987913 is 31 × 6451223.
Since it has a total of 2 prime factors.
7 , 9 , 60 , 3 , 962 , 205 , 8831 , 8322 , 91135 , 76119 , 537365 , 975778 , 8135826 , 4418108 , 32504399 , 58881738 , 89630430 , 274214891 , 5739133963 , 8759838634
n×2
399975826
n×3
599963739
n×4
799951652
n×5
999939565
n÷2
99993956.5
n÷3
66662637.666667
n÷3
49996978.25
n÷5
39997582.6
n2
39995165346095569
n3
7.9985496476556E+24
n4
1.5996132510615E+33
n5
3.1990331568694E+41
2 √n
14141.708277291
3 √n
584.79176653777
4 √n
118.91891471625
5 √n
45.729952434754
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-199987912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199987913 can be divided by 4 positive divisors.
The sum of these divisors (counting 199987913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011111010111001001011001001
3
Ternary
111221022102211202
4
Quaternary
23322321023021
5
Quinary
402144103123
6
Senary
31502233545
8
Octal
1372711311
10
Decimal
199987913
12
Duodecimal
56b858b5
16
Hexadecimal
beb92c9
20
Vigesimal
329i9fd
36
Base36
3b2fnt
md5
94fa70670b8b244aef5e73348f3e91d4
sha1
3ba360a9dbaac0f0f0cb3d0008095c4d1029824f
sha256
78029360cd736e7f3a76528ef7e3885fb5f5dae0a3df3e12f8bd57cfdc04c034
sha512
efb1caef8f5dd6f344c022275bff36c46e214fed500befa277cc27d128482d9438034c0e87e9161663b3eb361f7b612d163661b397744e812a1e7df861b7835a
ripemd-160
eb769d3ce808660b57a7c95a374cb8b63d76daf2
Diameter
399975826
Circumference
1256561116.5751
Area
1.256485176304E+17
Volume
3.3504246416597E+25
Surface area
5.0259407052161E+17
Circumference
1256561116.5751
Perimeter
799951652
Area
39995165346095569
Diagonal
282825618.87529
Surface area
239970992076573414
Volume
7.9985496476556E+24
Space diagonal
346389226.21566
Perimeter
599963739
Area
1.7318414609139E+16
Altitude
173194613.10783
Surface area
1.7318414609139E+16
Volume
9.4263811591909E+23
Height
94275206.291764