99681209 is an odd 8-digits composite number following 99681208
and preceding 99681210 . In scientific notation, it is written as 9.9681209 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 96544800 positive integers (up to 99681209) that are relatively prime to 99681209.
99681209 has 8 divisors, whose sum is 102852960
The reverse of 99681209 is 90218699
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
ninety-nine million six hundred eighty-one thousand two hundred nine
Scientific notation
9.9681209 × 10^7
Engineering notation
9.9681209 × 10^6
Prime Factorization
41 × 139 × 17491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
99681209
Product of the distinct prime numbers
The prime factorization of 99681209 is 41 × 139 × 17491.
Since it has a total of 3 prime factors.
2 , 7 , 32 , 66 , 25 , 212 , 6474 , 2349 , 14672 , 76090 , 856054 , 976508 , 4325047 , 8936345 , 79038556 , 65145247 , 653388005 , 538634386 , 9322019795 , 5673827677
n×2
199362418
n×3
299043627
n×4
398724836
n×5
498406045
n÷2
49840604.5
n÷3
33227069.666667
n÷3
24920302.25
n÷5
19936241.8
n2
9936343427701681
n3
9.9046672591251E+23
n4
9.873092071323E+31
n5
9.8416175423779E+39
2 √n
9984.0477262481
3 √n
463.66512605575
4 √n
99.920206796464
5 √n
39.785302029726
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
-99681208
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 99681209 can be divided by 8 positive divisors.
The sum of these divisors (counting 99681209) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111100010000001110111001
3
Ternary
20221120022220122
4
Quaternary
11330100032321
5
Quinary
201004244314
6
Senary
13520303025
8
Octal
574201671
10
Decimal
99681209
12
Duodecimal
29471a75
16
Hexadecimal
5f103b9
20
Vigesimal
1b30309
36
Base36
1nciih
md5
eb6f58de76e5b550a0c6ade9914659bf
sha1
1f122808fb0ea67b2b1576b7c71f54def3d99957
sha256
3697e66b6563c01897e89707ad41ba3f8dc46b5855b546b8f9a5211f1dcc69eb
sha512
e63d9bdad5fced5ca8d3763aaa8f953e53f78af651f091f842a95b37ea5297fc761849a8444f7da5009abec770a079621e1d0913e9132f84d740ca2b46f1b98c
ripemd-160
67f9e294fbc0980cc3b9c12d54f3df69ad6b5ae0
Diameter
199362418
Circumference
626315507.7907
Area
3.1215943516013E+16
Volume
4.1488573196692E+24
Surface area
1.2486377406405E+17
Circumference
626315507.7907
Perimeter
398724836
Area
9936343427701681
Diagonal
140970517.68155
Surface area
59618060566210086
Volume
9.9046672591251E+23
Space diagonal
172652918.54789
Perimeter
299043627
Area
4.3025629145581E+15
Altitude
86326459.273946
Surface area
4.3025629145581E+15
Volume
1.1672762307206E+23
Height
46990172.560516