199976987 is an odd 9-digits composite number following 199976986
and preceding 199976988 . In scientific notation, it is written as 1.99976987 × 10^8.
The sum of its digits is 65. It has a total of 3 prime factors and 6 positive divisors.
There are 171408804 positive integers (up to 199976987) that are relatively prime to 199976987.
199976987 has 6 divisors, whose sum is 232626348
The reverse of 199976987 is 789679991
Previous prime number is 7
Is Prime? no Number parity odd Number length 9 Sum of Digits 65 Digital Root 2
Name
one hundred ninety-nine million nine hundred seventy-six thousand nine hundred eighty-seven
Scientific notation
1.99976987 × 10^8
Engineering notation
1.99976987 × 10^6
Prime Factorization
7 × 7 × 4081163
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
28568141 Product of the distinct prime numbers
The prime factorization of 199976987 is 7 × 7 × 4081163.
Since it has a total of 3 prime factors.
5 , 7 , 40 , 59 , 108 , 518 , 178 , 1126 , 87389 , 12324 , 20953 , 570600 , 647709 , 8979020 , 74023241 , 65615249 , 282608788 , 814605182 , 3680193371 , 7489625448
n×2
399953974
n×3
599930961
n×4
799907948
n×5
999884935
n÷2
99988493.5
n÷3
66658995.666667
n÷3
49994246.75
n÷5
39995397.4
n2
39990795329598169
n3
7.9972387577467E+24
n4
1.5992637110938E+33
n5
3.1981593836298E+41
2 √n14141.321967907
3 √n584.78111664214
4 √n118.91729044974
5 √n45.729452748176
6 divisors
τ Total Divisors
6 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-199976986 Sum of the proper positive divisors of n
A Arithmetic Mean
0.16666666666667 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
6 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199976987 can be divided by 6 positive divisors.
The sum of these divisors (counting 199976987) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1011111010110110100000011011
3
Ternary
111221021212212002
4
Quaternary
23322312200123
5
Quinary
402143230422
6
Senary
31502111215
8
Octal
1372664033
10
Decimal
199976987
12
Duodecimal
56b7b50b
16
Hexadecimal
beb681b
20
Vigesimal
329h297
36
Base36
3b278b
md5
31daa03b38d3afa439050a7e0211f7e2
sha1
74ca79fba30520bd7a84e8761087fb024a65c2b4
sha256
861f446795802c3570a837e2e35a8c7095d6093b615b71613b6fa709154cf2fb
sha512
652c3609d979a6286f3e64a46af1ae0e67220d173aa6e12bd19d68691dd3bac4e92aba40de5b5fb9c4d75e542c9232902353333208db512dfb3f8a324eee9b12
ripemd-160
37dc28e9a8ec4822915e4d5e14d40ef12b64ec0f
Diameter
399953974
Circumference
1256492466.4924
Area
1.2563478881868E+17
Volume
3.3498755373788E+25
Surface area
5.0253915527471E+17
Circumference
1256492466.4924
Perimeter
799907948
Area
39990795329598169
Diagonal
282810167.17791
Surface area
239944771977589014
Volume
7.9972387577467E+24
Space diagonal
346370301.82854
Perimeter
599930961
Area
1.7316522336488E+16
Altitude
173185150.91427
Surface area
1.7316522336488E+16
Volume
9.4248362606176E+23
Height
94270055.725969