99687920 is an even 8-digits composite number following 99687919
and preceding 99687921 . In scientific notation, it is written as 9.9687920 × 10^7.
The sum of its digits is 50. It has a total of 6 prime factors and 20 positive divisors.
There are 39875136 positive integers (up to 99687920) that are relatively prime to 99687920.
99687920 has 20 divisors, whose sum is 231774600
The reverse of 99687920 is 02978699
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
ninety-nine million six hundred eighty-seven thousand nine hundred twenty
Scientific notation
9.9687920 × 10^7
Engineering notation
9.9687920 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 1246099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
12460990
Product of the distinct prime numbers
The prime factorization of 99687920 is 2 × 2 × 2 × 2 × 5 × 1246099.
Since it has a total of 6 prime factors.
9 , 4 , 8 , 22 , 221 , 190 , 9595 , 564 , 30888 , 54605 , 724952 , 416587 , 9748981 , 7950699 , 49644087 , 27398877 , 120524299 , 673230131 , 8871689082 , 5367374286
n×2
199375840
n×3
299063760
n×4
398751680
n×5
498439600
n÷2
49843960
n÷3
33229306.666667
n÷3
24921980
n÷5
19937584
n2
9937681393926400
n3
9.9066678778322E+23
n4
9.8757511487191E+31
n5
9.8449309045342E+39
2 √n
9984.3838067254
3 √n
463.67553118247
4 √n
99.921888526616
5 √n
39.785837721407
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 1246099 , 2492198 , 4984396 , 6230495 , 9968792 , 12460990 , 19937584 , 24921980 , 49843960 , 99687920
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-99687919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 99687920 can be divided by 20 positive divisors.
The sum of these divisors (counting 99687920) is 1, the average is 0.05.
Base
System
Value
2
Binary
101111100010001110111110000
3
Ternary
20221120200010012
4
Quaternary
11330101313300
5
Quinary
201010003140
6
Senary
13520354052
8
Octal
574216760
10
Decimal
99687920
12
Duodecimal
29475928
16
Hexadecimal
5f11df0
20
Vigesimal
1b30jg0
36
Base36
1ncnow
md5
5b822d0eeeb84877ac7c3f08f448287e
sha1
87f8d4741a049c075ecc1d12342f8f2622c8e6c0
sha256
0bbf2267e2e6d8aabe87957b2336da7b8507a537ca4a2d1f96cb6b133e11bbcf
sha512
8d870837f81b7e875212d517bccf5df5295d083684945924a20b4b7e402c1352546c563fde18acbf16d3db0db9302444391bb0d86a4cc0a16d9f32b2a541b649
ripemd-160
59278000475eef917eb8b4048f4e1326cb8a85fd
Diameter
199375840
Circumference
626357674.24729
Area
3.1220146860875E+16
Volume
4.1496953368736E+24
Surface area
1.248805874435E+17
Circumference
626357674.24729
Perimeter
398751680
Area
9937681393926400
Diagonal
140980008.46876
Surface area
59626088363558400
Volume
9.9066678778322E+23
Space diagonal
172664542.34086
Perimeter
299063760
Area
4.3031422709281E+15
Altitude
86332271.170431
Surface area
4.3031422709281E+15
Volume
1.1675120058964E+23
Height
46993336.156255