9919987 is an odd 7-digits composite number following 9919986
and preceding 9919988 . In scientific notation, it is written as 9.919987 × 10^6.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 7729800 positive integers (up to 9919987) that are relatively prime to 9919987.
9919987 has 8 divisors, whose sum is 12367872
The reverse of 9919987 is 7899199
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 52
Digital Root 7
Name
nine million nine hundred nineteen thousand nine hundred eighty-seven
Scientific notation
9.919987 × 10^6
Engineering notation
9.919987 × 10^6
Prime Factorization
7 × 11 × 128831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9919987
Product of the distinct prime numbers
The prime factorization of 9919987 is 7 × 11 × 128831.
Since it has a total of 3 prime factors.
3 , 5 , 95 , 10 , 637 , 255 , 3358 , 3877 , 87898 , 50615 , 549971 , 845849 , 9761629 , 5978558 , 47842890 , 8879346 , 654799218 , 244456937 , 5256319802 , 3027767020
n×2
19839974
n×3
29759961
n×4
39679948
n×5
49599935
n÷2
4959993.5
n÷3
3306662.3333333
n÷3
2479996.75
n÷5
1983997.4
n2
98406142080169
n3
9.7618765015543E+20
n4
9.6837687991024E+27
n5
9.6062860598101E+34
2 √n
3149.601085852
3 √n
214.86732033766
4 √n
56.121306879402
5 √n
25.078538329798
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
-9919986
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 9919987 can be divided by 8 positive divisors.
The sum of these divisors (counting 9919987) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101110101110111110011
3
Ternary
200122222122221
4
Quaternary
211311313303
5
Quinary
10014414422
6
Senary
552341511
8
Octal
45656763
10
Decimal
9919987
12
Duodecimal
33a4897
16
Hexadecimal
975df3
20
Vigesimal
31jjj7
36
Base36
5wmb7
md5
816dc1687874e599b27e6fa5003f7a95
sha1
edd5f1612d5455f093624a755d8953bb342c3123
sha256
8e15f7e97d5e04ba0ee2e88932e7998685432228b5f5489de37f3223b6bb0f0c
sha512
d3dd8671334841415f13f5100ddd651b8748ac79990929d696d2cecb6b7883b65f1494d798a04f42a05035886dcacbe16495ca8931a2e2d2e839e3f9d3c4760a
ripemd-160
4d79bab8e4c2aa75f6cc756cc792379913b28409
Diameter
19839974
Circumference
62329116.565813
Area
3.0915201302717E+14
Volume
4.0890452670045E+21
Surface area
1.2366080521087E+15
Circumference
62329116.565813
Perimeter
39679948
Area
98406142080169
Diagonal
14028980.153965
Surface area
590436852481014
Volume
9.7618765015543E+20
Space diagonal
17181921.494423
Perimeter
29759961
Area
42611109464924
Altitude
8590960.7472114
Surface area
42611109464924
Volume
1.1504481785591E+20
Height
4676326.7179883