199988905 is an odd 9-digits composite number following 199988904
and preceding 199988906 . In scientific notation, it is written as 1.99988905 × 10^8.
The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors.
There are 154826400 positive integers (up to 199988905) that are relatively prime to 199988905.
199988905 has 12 divisors, whose sum is 247983876
The reverse of 199988905 is 509889991
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
one hundred ninety-nine million nine hundred eighty-eight thousand nine hundred five
Scientific notation
1.99988905 × 10^8
Engineering notation
1.99988905 × 10^6
Prime Factorization
5 × 31 × 31 × 41621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6451255
Product of the distinct prime numbers
The prime factorization of 199988905 is 5 × 31 × 31 × 41621.
Since it has a total of 4 prime factors.
2 , 2 , 54 , 68 , 633 , 419 , 2675 , 6357 , 34856 , 38286 , 12473 , 27209 , 4283185 , 5199023 , 9363431 , 67090179 , 145450103 , 908549145 , 7510142771 , 2822789883
n×2
399977810
n×3
599966715
n×4
799955620
n×5
999944525
n÷2
99994452.5
n÷3
66662968.333333
n÷3
49997226.25
n÷5
39997781
n2
39995562123099025
n3
7.998668673858E+24
n4
1.5996449895427E+33
n5
3.1991124984738E+41
2 √n
14141.743350804
3 √n
584.79273345033
4 √n
118.91906218434
5 √n
45.729997801518
1 , 5 , 31 , 155 , 961 , 4805 , 41621 , 208105 , 1290251 , 6451255 , 39997781 , 199988905
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-199988904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 199988905 can be divided by 12 positive divisors.
The sum of these divisors (counting 199988905) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1011111010111001011010101001
3
Ternary
111221022111012111
4
Quaternary
23322321122221
5
Quinary
402144121110
6
Senary
31502242321
8
Octal
1372713251
10
Decimal
199988905
12
Duodecimal
56b863a1
16
Hexadecimal
beb96a9
20
Vigesimal
329ic55
36
Base36
3b2gfd
md5
7ccca64bb181afe912433ce60cbadc1a
sha1
d48d2e6aca1eff420c857e04ad1c06b732557fe1
sha256
045fb0884016624e9f42ad9cb25ee259426071a8b01c538ef78a7c5eb556405e
sha512
78d8d4212a8bee3e4a148f013a740a1d4cd354f165adb831bf07aba7c52364ae7b12864f384a4e7cdae63cc4fcde36304c69f89bfdbc3c1123707e2cbbd5cfa8
ripemd-160
96d8e09af31be6d0c6f8a3dc68b4a673476f9f02
Diameter
399977810
Circumference
1256567349.4949
Area
1.2564976414212E+17
Volume
3.3504744992388E+25
Surface area
5.0259905656849E+17
Circumference
1256567349.4949
Perimeter
799955620
Area
39995562123099025
Diagonal
282827021.77514
Surface area
239973372738594150
Volume
7.998668673858E+24
Space diagonal
346390944.41007
Perimeter
599966715
Area
1.7318586418621E+16
Altitude
173195472.20503
Surface area
1.7318586418621E+16
Volume
9.4265214329157E+23
Height
94275673.925048