99686989 is an odd 8-digits composite number following 99686988
and preceding 99686990 . In scientific notation, it is written as 9.9686989 × 10^7.
The sum of its digits is 64. It has a total of 2 prime factors and 4 positive divisors.
There are 99553500 positive integers (up to 99686989) that are relatively prime to 99686989.
99686989 has 4 divisors, whose sum is 99820480
The reverse of 99686989 is 98968699
Previous prime number is 751
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 64
Digital Root 1
Name
ninety-nine million six hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
9.9686989 × 10^7
Engineering notation
9.9686989 × 10^6
Prime Factorization
751 × 132739
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99686989
Product of the distinct prime numbers
The prime factorization of 99686989 is 751 × 132739.
Since it has a total of 2 prime factors.
4 , 8 , 68 , 76 , 20 , 885 , 8022 , 9312 , 2984 , 15372 , 466123 , 459799 , 4045660 , 6669455 , 76091158 , 48231174 , 469562383 , 564854738 , 5487546167 , 3833854582
n×2
199373978
n×3
299060967
n×4
398747956
n×5
498434945
n÷2
49843494.5
n÷3
33228996.333333
n÷3
24921747.25
n÷5
19937397.8
n2
9937495775886121
n3
9.9063903209831E+23
n4
9.8753822295754E+31
n5
9.8444711969048E+39
2 √n
9984.3371838094
3 √n
463.67408773354
4 √n
99.921655229532
5 √n
39.785763407983
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
-99686988
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 99686989 can be divided by 4 positive divisors.
The sum of these divisors (counting 99686989) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111100010001101001001101
3
Ternary
20221120121211201
4
Quaternary
11330101221031
5
Quinary
201004440424
6
Senary
13520345501
8
Octal
574215115
10
Decimal
99686989
12
Duodecimal
29475291
16
Hexadecimal
5f11a4d
20
Vigesimal
1b30h99
36
Base36
1ncmz1
md5
fcfaf7a29780d39195bda7f7177c115e
sha1
c448e38ace1caffb6a5f64fe2a237006835b3de1
sha256
8a899ef87c291cb923313e75bfe1ee8431e2aef4fd4c5d38914e9eafd163f992
sha512
d813ab45e4129d3d5b4f6cceb7e0d48f6897ce99480c3f997a191b2aa93d96df469ca44df78640d4f71d9eef207102a3616189d93b2a3fdc4702a4d5cc239154
ripemd-160
c64f450ea3404e8f501494c94f257a13400a1847
Diameter
199373978
Circumference
626351824.60177
Area
3.1219563724603E+16
Volume
4.1495790741325E+24
Surface area
1.2487825489841E+17
Circumference
626351824.60177
Perimeter
398747956
Area
9937495775886121
Diagonal
140978691.83594
Surface area
59624974655316726
Volume
9.9063903209831E+23
Space diagonal
172662929.80156
Perimeter
299060967
Area
4.303061895959E+15
Altitude
86331464.90078
Surface area
4.303061895959E+15
Volume
1.167479295508E+23
Height
46992897.278646