99809991 is an odd 8-digits composite number following 99809990
and preceding 99809992 . In scientific notation, it is written as 9.9809991 × 10^7.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 66539988 positive integers (up to 99809991) that are relatively prime to 99809991.
99809991 has 4 divisors, whose sum is 110900000
The reverse of 99809991 is 19990899
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
ninety-nine million eight hundred nine thousand nine hundred ninety-one
Scientific notation
9.9809991 × 10^7
Engineering notation
9.9809991 × 10^6
Prime Factorization
9 × 11089999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99809991
Product of the distinct prime numbers
The prime factorization of 99809991 is 9 × 11089999.
Since it has a total of 2 prime factors.
5 , 2 , 26 , 69 , 945 , 251 , 2986 , 6791 , 57560 , 39128 , 400543 , 257808 , 4504862 , 3474342 , 50418623 , 71555173 , 429087425 , 191085279 , 4905520686 , 8186170083
n×2
199619982
n×3
299429973
n×4
399239964
n×5
499049955
n÷2
49904995.5
n÷3
33269997
n÷3
24952497.75
n÷5
19961998.2
n2
9962034303420081
n3
9.9431055416605E+23
n4
9.9242127462518E+31
n5
9.9053558488548E+39
2 √n
9990.4950327799
3 √n
463.86471574999
4 √n
99.952463865479
5 √n
39.795576754725
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
-99809990
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 99809991 can be divided by 4 positive divisors.
The sum of these divisors (counting 99809991) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111100101111101011000111
3
Ternary
20221210212120100
4
Quaternary
11330233223013
5
Quinary
201022404431
6
Senary
13523135143
8
Octal
574575307
10
Decimal
99809991
12
Duodecimal
295144b3
16
Hexadecimal
5f2fac7
20
Vigesimal
1b3g4jb
36
Base36
1nf9vr
md5
8665b8703c1e967d82a5e6b13ea6f035
sha1
9d5a4decb323284925561187b617cca617d8f28a
sha256
f894bc5ef4d848bc8af08cc71e2beaaed5679d9d8d531d1931e4c334f419fbfe
sha512
43c325e593c0c47f8459e6a71fc834522dc91e7eefb30734bcaa4332188ceb9babf266ceca2605b7ad1d6a469eed0be75198f36e6cdae6a0f3c7f6f16ed6763e
ripemd-160
348fc246e930cfcc15a0c8adf649bd45fc9176c1
Diameter
199619982
Circumference
627124668.96093
Area
3.1296653782434E+16
Volume
4.1649583098065E+24
Surface area
1.2518661512974E+17
Circumference
627124668.96093
Perimeter
399239964
Area
9962034303420081
Diagonal
141152642.93254
Surface area
59772205820520486
Volume
9.9431055416605E+23
Space diagonal
172875975.51499
Perimeter
299429973
Area
4.3136873900669E+15
Altitude
86437987.757496
Surface area
4.3136873900669E+15
Volume
1.1718062257603E+23
Height
47050880.977512