199819681 is an odd 9-digits composite number following 199819680
and preceding 199819682 . In scientific notation, it is written as 1.99819681 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 198815364 positive integers (up to 199819681) that are relatively prime to 199819681.
199819681 has 4 divisors, whose sum is 200824000
The reverse of 199819681 is 186918991
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred ninety-nine million eight hundred nineteen thousand six hundred eighty-one
Scientific notation
1.99819681 × 10^8
Engineering notation
1.99819681 × 10^6
Prime Factorization
199 × 1004119
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
199819681
Product of the distinct prime numbers
The prime factorization of 199819681 is 199 × 1004119.
Since it has a total of 2 prime factors.
9 , 6 , 45 , 78 , 284 , 481 , 7683 , 9663 , 94434 , 8385 , 183156 , 129882 , 6214099 , 2351308 , 96738603 , 96265450 , 418153066 , 966180583 , 8315503636 , 6995310207
n×2
399639362
n×3
599459043
n×4
799278724
n×5
999098405
n÷2
99909840.5
n÷3
66606560.333333
n÷3
49954920.25
n÷5
39963936.2
n2
39927904914941761
n3
7.978381223102E+24
n4
1.5942375908966E+33
n5
3.1856004685117E+41
2 √n
14135.758946728
3 √n
584.62774281222
4 √n
118.8938978532
5 √n
45.722256138308
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
-199819680
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 199819681 can be divided by 4 positive divisors.
The sum of these divisors (counting 199819681) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011111010010000000110100001
3
Ternary
111220222220001221
4
Quaternary
23322100012201
5
Quinary
402123212211
6
Senary
31454455041
8
Octal
1372200641
10
Decimal
199819681
12
Duodecimal
56b04481
16
Hexadecimal
be901a1
20
Vigesimal
328h941
36
Base36
3aytup
md5
63cb7d58cc45efcb17664b1143f1a09f
sha1
6be46d0ed75c6e8b1751f29fd3b0343e2e0e5f02
sha256
e5141743b84f0de519ef8a4d9940f996daef4c3aa9dacc6934380eff3aabd221
sha512
decbaaea598570ff7fa08a02e5738aa57ff3d424ec36e384cb3f7f30cd29da48afc8023ff45a97d141898c53f7d59d7cd90bcabb0bc1b93cb4a3702d4dbdf763
ripemd-160
b58c2af4c3a89a34a74d206fc964e9c71b06dd09
Diameter
399639362
Circumference
1255504083.7445
Area
1.2543721275401E+17
Volume
3.3419765117381E+25
Surface area
5.0174885101605E+17
Circumference
1255504083.7445
Perimeter
799278724
Area
39927904914941761
Diagonal
282587702.89927
Surface area
239567429489650566
Volume
7.978381223102E+24
Space diagonal
346097839.84421
Perimeter
599459043
Area
1.7289289988115E+16
Altitude
173048919.9221
Surface area
1.7289289988115E+16
Volume
9.4026124429114E+23
Height
94195900.966422