99686721 is an odd 8-digits composite number following 99686720
and preceding 99686722 . In scientific notation, it is written as 9.9686721 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 66457812 positive integers (up to 99686721) that are relatively prime to 99686721.
99686721 has 4 divisors, whose sum is 132915632
The reverse of 99686721 is 12768699
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
ninety-nine million six hundred eighty-six thousand seven hundred twenty-one
Scientific notation
9.9686721 × 10^7
Engineering notation
9.9686721 × 10^6
Prime Factorization
3 × 33228907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99686721
Product of the distinct prime numbers
The prime factorization of 99686721 is 3 × 33228907.
Since it has a total of 2 prime factors.
8 , 9 , 52 , 43 , 10 , 822 , 2550 , 8055 , 84302 , 86952 , 442469 , 730348 , 1441503 , 5784842 , 25192930 , 34110121 , 402579850 , 942074772 , 3073459786 , 5215527709
n×2
199373442
n×3
299060163
n×4
398746884
n×5
498433605
n÷2
49843360.5
n÷3
33228907
n÷3
24921680.25
n÷5
19937344.2
n2
9937442343731841
n3
9.9063104237318E+23
n4
9.8752760334995E+31
n5
9.8443388674945E+39
2 √n
9984.3237627793
3 √n
463.67367221704
4 √n
99.921588071744
5 √n
39.785742015831
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
-99686720
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 99686721 can be divided by 4 positive divisors.
The sum of these divisors (counting 99686721) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111100010001100101000001
3
Ternary
20221120121110210
4
Quaternary
11330101211001
5
Quinary
201004433341
6
Senary
13520344333
8
Octal
574214501
10
Decimal
99686721
12
Duodecimal
294750a9
16
Hexadecimal
5f11941
20
Vigesimal
1b30gg1
36
Base36
1ncmrl
md5
7ede2d34b68877dffdffc7bed1d2b412
sha1
b4d210ba10e20456ee9f141abcd2907c7b37b673
sha256
b94e2aac6702732206777b37171f484f388c0e9c25279e9a3d90ac1fb3c8a3fb
sha512
0f567bce3e8cd9245bc387333346fde1238c577e4d6da134d44d65ab47f20c3bae3909bcf7efd690114b0686b045a66ec315ae2ec0f85677e29c9c388a7e0eb0
ripemd-160
8a5c5f20808cfaf0fd50d918806cc2d440c69bdb
Diameter
199373442
Circumference
626350140.70811
Area
3.121939586254E+16
Volume
4.1495456068501E+24
Surface area
1.2487758345016E+17
Circumference
626350140.70811
Perimeter
398746884
Area
9937442343731841
Diagonal
140978312.8267
Surface area
59624654062391046
Volume
9.9063104237318E+23
Space diagonal
172662465.61194
Perimeter
299060163
Area
4.3030387591575E+15
Altitude
86331232.805972
Surface area
4.3030387591575E+15
Volume
1.1674698795266E+23
Height
46992770.942234