99686988 is an even 8-digits composite number following 99686987
and preceding 99686989 . In scientific notation, it is written as 9.9686988 × 10^7.
The sum of its digits is 63. It has a total of 5 prime factors and 18 positive divisors.
There are 33228984 positive integers (up to 99686988) that are relatively prime to 99686988.
99686988 has 18 divisors, whose sum is 251986644
The reverse of 99686988 is 88968699
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 63
Digital Root 9
Name
ninety-nine million six hundred eighty-six thousand nine hundred eighty-eight
Scientific notation
9.9686988 × 10^7
Engineering notation
9.9686988 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 2769083
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16614498
Product of the distinct prime numbers
The prime factorization of 99686988 is 2 × 2 × 3 × 3 × 2769083.
Since it has a total of 5 prime factors.
5 , 6 , 5 , 10 , 338 , 773 , 2474 , 846 , 33062 , 16418 , 772776 , 39290 , 6731441 , 108951 , 92728281 , 56751888 , 797031862 , 656276258 , 8271431366 , 1996697064
n×2
199373976
n×3
299060964
n×4
398747952
n×5
498434940
n÷2
49843494
n÷3
33228996
n÷3
24921747
n÷5
19937397.6
n2
9937495576512144
n3
9.9063900228582E+23
n4
9.8753818333198E+31
n5
9.8444707031357E+39
2 √n
9984.337133731
3 √n
463.67408618311
4 √n
99.921654978943
5 √n
39.785763328162
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 2769083 , 5538166 , 8307249 , 11076332 , 16614498 , 24921747 , 33228996 , 49843494 , 99686988
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-99686987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 99686988 can be divided by 18 positive divisors.
The sum of these divisors (counting 99686988) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
101111100010001101001001100
3
Ternary
20221120121211200
4
Quaternary
11330101221030
5
Quinary
201004440423
6
Senary
13520345500
8
Octal
574215114
10
Decimal
99686988
12
Duodecimal
29475290
16
Hexadecimal
5f11a4c
20
Vigesimal
1b30h98
36
Base36
1ncmz0
md5
e69e9b759bb97539bcfb7d606567db54
sha1
f53dda9a6cb7f8a45561c304fbcc92f6728fafc4
sha256
c93e698cd34bda19a16e1dcf630017f5b3a604cae1f0933f3b9753b7b3f3319d
sha512
ea25471da76e9ebbb85afd2a47ca05a9e7e18c660c1580d821df5f06e390ecbc0ac96c1b6a1d84702b5d7a66a7bf7ea44b6cc26baef89ca1ffa074755984a6b2
ripemd-160
721bfea3b8ba4407f30f18548c399fa38d2a2271
Diameter
199373976
Circumference
626351818.31859
Area
3.1219563098252E+16
Volume
4.1495789492542E+24
Surface area
1.2487825239301E+17
Circumference
626351818.31859
Perimeter
398747952
Area
9937495576512144
Diagonal
140978690.42172
Surface area
59624973459072864
Volume
9.9063900228582E+23
Space diagonal
172662928.06951
Perimeter
299060964
Area
4.3030618096275E+15
Altitude
86331464.034754
Surface area
4.3030618096275E+15
Volume
1.1674792603736E+23
Height
46992896.807241