199897021 is an odd 9-digits composite number following 199897020
and preceding 199897022 . In scientific notation, it is written as 1.99897021 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 190722000 positive integers (up to 199897021) that are relatively prime to 199897021.
199897021 has 8 divisors, whose sum is 209253888
The reverse of 199897021 is 120798991
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred ninety-nine million eight hundred ninety-seven thousand twenty-one
Scientific notation
1.99897021 × 10^8
Engineering notation
1.99897021 × 10^6
Prime Factorization
31 × 71 × 90821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
199897021
Product of the distinct prime numbers
The prime factorization of 199897021 is 31 × 71 × 90821.
Since it has a total of 3 prime factors.
7 , 2 , 98 , 48 , 675 , 785 , 4845 , 9023 , 31700 , 90605 , 465416 , 975172 , 4029774 , 4617217 , 45492944 , 86858285 , 894287735 , 224288068 , 5219813288 , 737358422
n×2
399794042
n×3
599691063
n×4
799588084
n×5
999485105
n÷2
99948510.5
n÷3
66632340.333333
n÷3
49974255.25
n÷5
39979404.2
n2
39958819004674441
n3
7.9876488817126E+24
n4
1.5967072162483E+33
n5
3.1917701593724E+41
2 √n
14138.494297484
3 √n
584.70315960328
4 √n
118.90540062371
5 √n
45.725794940824
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-199897020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199897021 can be divided by 8 positive divisors.
The sum of these divisors (counting 199897021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011111010100010111110111101
3
Ternary
111221010211011101
4
Quaternary
23322202332331
5
Quinary
402133201041
6
Senary
31500253101
8
Octal
1372427675
10
Decimal
199897021
12
Duodecimal
56b41191
16
Hexadecimal
bea2fbd
20
Vigesimal
32972b1
36
Base36
3b0hj1
md5
70295f3c66bb3c655e4a57ae5bb374fa
sha1
2f607f4b018c23c9a470e52fe5f00f3fba3e2a5b
sha256
ae9e6246c2292e5877ae7f1284eedffe88dea84be454125d631dfedae48e96aa
sha512
fd1e0ed6d0b8eea3460ef9434ffe28b81b082b2128802c0a02a730b788feb7f9d64ef2e67c51c50fc42ee79c0243a85eee0bfdb7756dc2e1062989c68dd54e20
ripemd-160
55418debbbfb429b9fbde71da92e7060e4294242
Diameter
399794042
Circumference
1255990025.2962
Area
1.2553433223121E+17
Volume
3.3458585394991E+25
Surface area
5.0213732892484E+17
Circumference
1255990025.2962
Perimeter
799588084
Area
39958819004674441
Diagonal
282697078.17618
Surface area
239752914028046646
Volume
7.9876488817126E+24
Space diagonal
346231796.65366
Perimeter
599691063
Area
1.7302676181636E+16
Altitude
173115898.32683
Surface area
1.7302676181636E+16
Volume
9.4135344833269E+23
Height
94232359.39206