99681909 is an odd 8-digits composite number following 99681908
and preceding 99681910 . In scientific notation, it is written as 9.9681909 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 66419136 positive integers (up to 99681909) that are relatively prime to 99681909.
99681909 has 8 divisors, whose sum is 132980160
The reverse of 99681909 is 90918699
Previous prime number is 2129
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
ninety-nine million six hundred eighty-one thousand nine hundred nine
Scientific notation
9.9681909 × 10^7
Engineering notation
9.9681909 × 10^6
Prime Factorization
3 × 2129 × 15607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
99681909
Product of the distinct prime numbers
The prime factorization of 99681909 is 3 × 2129 × 15607.
Since it has a total of 3 prime factors.
1 , 5 , 6 , 67 , 201 , 627 , 6331 , 5956 , 3517 , 61895 , 387498 , 160804 , 3681197 , 603624 , 50370620 , 96503306 , 613894268 , 226922327 , 2702131586 , 4227143711
n×2
199363818
n×3
299045727
n×4
398727636
n×5
498409545
n÷2
49840954.5
n÷3
33227303
n÷3
24920477.25
n÷5
19936381.8
n2
9936482981884281
n3
9.9048759238024E+23
n4
9.8733694049276E+31
n5
9.8419631054538E+39
2 √n
9984.0827821087
3 √n
463.66621139849
4 √n
99.920382215586
5 √n
39.785357907125
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
-99681908
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 99681909 can be divided by 8 positive divisors.
The sum of these divisors (counting 99681909) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111100010000011001110101
3
Ternary
20221120100212120
4
Quaternary
11330100121311
5
Quinary
201004310114
6
Senary
13520310153
8
Octal
574203165
10
Decimal
99681909
12
Duodecimal
29472359
16
Hexadecimal
5f10675
20
Vigesimal
1b304f9
36
Base36
1ncj1x
md5
d5d2cf9f13da226cba55be293990250d
sha1
0af66c317de8cae71c612a34477443d89a5780cd
sha256
f4e667230d89ed59bceb3feb53def6850632e3b375b0d914a47928d882972a5e
sha512
4846dd988877346e1acb29ddd60255461cd553c98a719297007c8367dd99da9c1312e14638f3f4af2f9ae9a4346f64fd0c28ee3c7ee11bd3d1446fb77841f6f6
ripemd-160
c844c4a96fb2c71bd2e3b7be806e35109a6ac476
Diameter
199363818
Circumference
626319906.02041
Area
3.1216381938408E+16
Volume
4.1489447249248E+24
Surface area
1.2486552775363E+17
Circumference
626319906.02041
Perimeter
398727636
Area
9936482981884281
Diagonal
140971507.63104
Surface area
59618897891305686
Volume
9.9048759238024E+23
Space diagonal
172654130.98346
Perimeter
299045727
Area
4.3026233432918E+15
Altitude
86327065.491729
Surface area
4.3026233432918E+15
Volume
1.1673008220887E+23
Height
46990502.54368