99686638 is an even 8-digits composite number following 99686637
and preceding 99686639 . In scientific notation, it is written as 9.9686638 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 48235440 positive integers (up to 99686638) that are relatively prime to 99686638.
99686638 has 8 divisors, whose sum is 154353600
The reverse of 99686638 is 83668699
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
ninety-nine million six hundred eighty-six thousand six hundred thirty-eight
Scientific notation
9.9686638 × 10^7
Engineering notation
9.9686638 × 10^6
Prime Factorization
2 × 31 × 1607849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
99686638
Product of the distinct prime numbers
The prime factorization of 99686638 is 2 × 31 × 1607849.
Since it has a total of 3 prime factors.
3 , 1 , 97 , 4 , 70 , 422 , 9574 , 413 , 23704 , 6005 , 147868 , 703740 , 3662764 , 5858489 , 25939243 , 60963097 , 667075033 , 18357085 , 4051860593 , 6137902526
n×2
199373276
n×3
299059914
n×4
398746552
n×5
498433190
n÷2
49843319
n÷3
33228879.333333
n÷3
24921659.5
n÷5
19937327.6
n2
9937425795743044
n3
9.906285679521E+23
n4
9.8752431445899E+31
n5
9.8442978851672E+39
2 √n
9984.3196062626
3 √n
463.67354353081
4 √n
99.92156727285
5 √n
39.785735390641
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
-99686637
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 99686638 can be divided by 8 positive divisors.
The sum of these divisors (counting 99686638) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111100010001100011101110
3
Ternary
20221120121100201
4
Quaternary
11330101203232
5
Quinary
201004433023
6
Senary
13520344114
8
Octal
574214356
10
Decimal
99686638
12
Duodecimal
2947503a
16
Hexadecimal
5f118ee
20
Vigesimal
1b30gbi
36
Base36
1ncmpa
md5
6e31a0ff2165a22e73a789cec86d2eac
sha1
23fdb3c79561c1b33d0f99953508f7653c763517
sha256
9baa24c06a363df13da58268b01b284cdaf2ac601d9a4a390a25f1be91909e71
sha512
38b99606c37d3c039c211ba6c9eca19c345776650bd8c359066f4a27ff090e45426e3b842e4a11565539248b25a8d7bec17787719a517fedc6c57cdc60c41bf0
ripemd-160
f81c9bc0cabea83787f7c0baf21984a73edff161
Diameter
199373276
Circumference
626349619.20373
Area
3.12193438755E+16
Volume
4.1495352420193E+24
Surface area
1.24877375502E+17
Circumference
626349619.20373
Perimeter
398746552
Area
9937425795743044
Diagonal
140978195.44698
Surface area
59624554774458264
Volume
9.906285679521E+23
Space diagonal
172662321.85173
Perimeter
299059914
Area
4.3030315936681E+15
Altitude
86331160.925863
Surface area
4.3030315936681E+15
Volume
1.1674669633934E+23
Height
46992731.815659