99681231 is an odd 8-digits composite number following 99681230
and preceding 99681232 . In scientific notation, it is written as 9.9681231 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 60476640 positive integers (up to 99681231) that are relatively prime to 99681231.
99681231 has 16 divisors, whose sum is 145152000
The reverse of 99681231 is 13218699
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
ninety-nine million six hundred eighty-one thousand two hundred thirty-one
Scientific notation
9.9681231 × 10^7
Engineering notation
9.9681231 × 10^6
Prime Factorization
71 × 3 × 13 × 35999
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
99681231
Product of the distinct prime numbers
The prime factorization of 99681231 is 71 × 3 × 13 × 35999.
Since it has a total of 4 prime factors.
6 , 2 , 40 , 36 , 124 , 207 , 9439 , 206 , 34937 , 73161 , 932782 , 634738 , 4074117 , 6071741 , 24978014 , 54448416 , 798502387 , 845082436 , 6326462943 , 7013248295
n×2
199362462
n×3
299043693
n×4
398724924
n×5
498406155
n÷2
49840615.5
n÷3
33227077
n÷3
24920307.75
n÷5
19936246.2
n2
9936347813675361
n3
9.9046738171132E+23
n4
9.8731007874331E+31
n5
9.841628402784E+39
2 √n
9984.0488280056
3 √n
463.6651601666
4 √n
99.92021230965
5 √n
39.785303785878
1 , 3 , 13 , 39 , 71 , 213 , 923 , 2769 , 35999 , 107997 , 467987 , 1403961 , 2555929 , 7667787 , 33227077 , 99681231
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-99681230
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 99681231 can be divided by 16 positive divisors.
The sum of these divisors (counting 99681231) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111100010000001111001111
3
Ternary
20221120022221110
4
Quaternary
11330100033033
5
Quinary
201004244411
6
Senary
13520303103
8
Octal
574201717
10
Decimal
99681231
12
Duodecimal
29471a93
16
Hexadecimal
5f103cf
20
Vigesimal
1b3031b
36
Base36
1ncij3
md5
5073719fe9d91abfd41593b96d894f79
sha1
d14d2b987392627a42890327523574a566c873df
sha256
ac27aa7084c7e6da3b5afeda8c041e5a00b1530a38ddb35bf7a41944fa7641a0
sha512
2135a94468175ebeee019e2cec3f3bb911847d2e25f7094f635e2f4474273c1f67bbeef14451480cc12a4c65e42cfc67fd289a8135f4041e9e6b5f5c26aa571e
ripemd-160
a0adcc7552e608ed7ca62a28bde0a2ce75b4f60e
Diameter
199362462
Circumference
626315646.02077
Area
3.1215957294956E+16
Volume
4.1488600666728E+24
Surface area
1.2486382917982E+17
Circumference
626315646.02077
Perimeter
398724924
Area
9936347813675361
Diagonal
140970548.79425
Surface area
59618086882052166
Volume
9.9046738171132E+23
Space diagonal
172652956.65301
Perimeter
299043693
Area
4.3025648137404E+15
Altitude
86326478.326505
Surface area
4.3025648137404E+15
Volume
1.1672770035869E+23
Height
46990182.931415