199890721 is an odd 9-digits prime number following 199890720
and preceding 199890722 . In scientific notation, it is written as 1.99890721 × 10^8.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 199890720 positive integers (up to 199890721) that are relatively prime to 199890721.
199890721 has 2 divisors, whose sum is 199890722
The reverse of 199890721 is 127098991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred ninety-nine million eight hundred ninety thousand seven hundred twenty-one
Scientific notation
1.99890721 × 10^8
Engineering notation
1.99890721 × 10^6
Prime Factorization
199890721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
199890721
Product of the distinct prime numbers
The prime factorization of 199890721 is 199890721.
Since it has a total of 1 prime factors.
3 , 4 , 44 , 73 , 328 , 299 , 4464 , 5206 , 38063 , 14562 , 172212 , 198584 , 3194792 , 2815865 , 88134508 , 80231691 , 542653866 , 177958445 , 7922759857 , 3966893406
n×2
399781442
n×3
599672163
n×4
799562884
n×5
999453605
n÷2
99945360.5
n÷3
66630240.333333
n÷3
49972680.25
n÷5
39978144.2
n2
39956300341899841
n3
7.9868936838349E+24
n4
1.5965059370121E+33
n5
3.1912672283013E+41
2 √n
14138.271499727
3 √n
584.69701699281
4 √n
118.90446375022
5 √n
45.725506716279
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
199890722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
99945361
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14138.271535092
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999899945
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199890721 can be divided by 2 positive divisors.
The sum of these divisors (counting 199890721) is 199890722, the average is 99945361.
Base
System
Value
2
Binary
1011111010100001011100100001
3
Ternary
111221010111112001
4
Quaternary
23322201130201
5
Quinary
402133000341
6
Senary
31500204001
8
Octal
1372413441
10
Decimal
199890721
12
Duodecimal
56b39601
16
Hexadecimal
bea1721
20
Vigesimal
32966g1
36
Base36
3b0co1
md5
6b93521584fc27cd4bb57b49f0443ae6
sha1
d671961f1179b394c695329f147d96353678912b
sha256
90a9b5f94684f403a68352b9cea720e9d48f1f271dfb558f9b0b0e69e6c452e3
sha512
41d0a6d7b33b0c4232ff384d44f1147b510ef0d95d4f70658d26cba3344a307b197126d78d00889a859ce91b556ddcf700ff06a27e9d9ec85ff834a27090cb4a
ripemd-160
663c4a30f5e199a9a72bcdb4b1bf456371bff694
Diameter
399781442
Circumference
1255950441.2287
Area
1.2552641961874E+17
Volume
3.3455422029518E+25
Surface area
5.0210567847496E+17
Circumference
1255950441.2287
Perimeter
799562884
Area
39956300341899841
Diagonal
282688168.63074
Surface area
239737802051399046
Volume
7.9868936838349E+24
Space diagonal
346220884.73358
Perimeter
599672163
Area
1.7301585568663E+16
Altitude
173110442.36679
Surface area
1.7301585568663E+16
Volume
9.4126444740928E+23
Height
94229389.543579