199916981 is an odd 9-digits composite number following 199916980
and preceding 199916982 . In scientific notation, it is written as 1.99916981 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 173806080 positive integers (up to 199916981) that are relatively prime to 199916981.
199916981 has 16 divisors, whose sum is 227759040
The reverse of 199916981 is 189619991
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred ninety-nine million nine hundred sixteen thousand nine hundred eighty-one
Scientific notation
1.99916981 × 10^8
Engineering notation
1.99916981 × 10^6
Prime Factorization
29 × 11 × 107 × 5857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
199916981
Product of the distinct prime numbers
The prime factorization of 199916981 is 29 × 11 × 107 × 5857.
Since it has a total of 4 prime factors.
6 , 2 , 74 , 46 , 848 , 44 , 9813 , 2787 , 87420 , 38965 , 642741 , 184447 , 9428964 , 7160844 , 97248317 , 41542230 , 943757051 , 155595193 , 1868937883 , 2386074426
n×2
399833962
n×3
599750943
n×4
799667924
n×5
999584905
n÷2
99958490.5
n÷3
66638993.666667
n÷3
49979245.25
n÷5
39983396.2
n2
39966799292154361
n3
7.9900418547204E+24
n4
1.5973450456594E+33
n5
3.1933639914352E+41
2 √n
14139.200154181
3 √n
584.72262010113
4 √n
118.90836873064
5 √n
45.726708061402
1 , 11 , 29 , 107 , 319 , 1177 , 3103 , 5857 , 34133 , 64427 , 169853 , 626699 , 1868383 , 6893689 , 18174271 , 199916981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-199916980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199916981 can be divided by 16 positive divisors.
The sum of these divisors (counting 199916981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011111010100111110110110101
3
Ternary
111221011211112122
4
Quaternary
23322213312311
5
Quinary
402134320411
6
Senary
31500525325
8
Octal
1372476665
10
Decimal
199916981
12
Duodecimal
56b50845
16
Hexadecimal
bea7db5
20
Vigesimal
3299c91
36
Base36
3b0wxh
md5
80129981804afd6b1c7a0e2630f03c42
sha1
76558c915a5ec4fc465a0a6de375eb0578376f99
sha256
562612349ef3a05e4ac9bac9d0af87bdf2a55608872fcc8a01a6704b354b945a
sha512
cbd11a826eb60ecddc6976afc18126064491fec34805fc12b1165156a55a009d76b09856eaa8754fa439bde953252291bf2d6e04f3c2e4069b643c08867c4d82
ripemd-160
0c25f985966828ac156c688a97b07e956640bc33
Diameter
399833962
Circumference
1256115437.6749
Area
1.2555940304373E+17
Volume
3.3468609056886E+25
Surface area
5.0223761217492E+17
Circumference
1256115437.6749
Perimeter
799667924
Area
39966799292154361
Diagonal
282725305.87888
Surface area
239800795752926166
Volume
7.9900418547204E+24
Space diagonal
346266368.38778
Perimeter
599750943
Area
1.730613174748E+16
Altitude
173133184.19389
Surface area
1.730613174748E+16
Volume
9.4163546290619E+23
Height
94241768.626295