99786987 is an odd 8-digits composite number following 99786986
and preceding 99786988 . In scientific notation, it is written as 9.9786987 × 10^7.
The sum of its digits is 63. It has a total of 3 prime factors and 6 positive divisors.
There are 66524652 positive integers (up to 99786987) that are relatively prime to 99786987.
99786987 has 6 divisors, whose sum is 144136772
The reverse of 99786987 is 78968799
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 63
Digital Root 9
Name
ninety-nine million seven hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
9.9786987 × 10^7
Engineering notation
9.9786987 × 10^6
Prime Factorization
3 × 3 × 11087443
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
33262329
Product of the distinct prime numbers
The prime factorization of 99786987 is 3 × 3 × 11087443.
Since it has a total of 3 prime factors.
5 , 6 , 17 , 70 , 985 , 393 , 9908 , 4384 , 24308 , 35806 , 966024 , 614395 , 2719563 , 9842681 , 91302590 , 10181892 , 785284561 , 328459769 , 1956418359 , 7564247799
n×2
199573974
n×3
299360961
n×4
399147948
n×5
498934935
n÷2
49893493.5
n÷3
33262329
n÷3
24946746.75
n÷5
19957397.4
n2
9957442774538169
n3
9.9362321269608E+23
n4
9.9150666608202E+31
n5
9.893946279874E+39
2 √n
9989.3436721338
3 √n
463.82907615216
4 √n
99.946704158435
5 √n
39.793742185165
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-99786986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 99786987 can be divided by 6 positive divisors.
The sum of these divisors (counting 99786987) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101111100101010000011101011
3
Ternary
20221202201000100
4
Quaternary
11330222003223
5
Quinary
201021140422
6
Senary
13522440443
8
Octal
574520353
10
Decimal
99786987
12
Duodecimal
29503123
16
Hexadecimal
5f2a0eb
20
Vigesimal
1b3d797
36
Base36
1nes4r
md5
f25d1b10b8a37be3b142df351ad82d25
sha1
60cba186d933c6c700bed6f1055d352215207d31
sha256
90844794e8bcc6a32a5829e1667c366fa527d50d03f0aa0668769e1a91d6d1fa
sha512
7b78fb96670f96217e8c4fd18b433bf1125582fa46474738cd35b0ad7e1a0cef9fddf762afced5ddb4cb5bb7bdc71bfb3c5e38dccaf3dd5e6a20ed5f66a08726
ripemd-160
8b19bfc820c18f624eb640e2138c473852354b19
Diameter
199573974
Circumference
626980130.56612
Area
3.128222906903E+16
Volume
4.1620791805897E+24
Surface area
1.2512891627612E+17
Circumference
626980130.56612
Perimeter
399147948
Area
9957442774538169
Diagonal
141120110.36375
Surface area
59744656647229014
Volume
9.9362321269608E+23
Space diagonal
172836131.41822
Perimeter
299360961
Area
4.3116991997399E+15
Altitude
86418065.709108
Surface area
4.3116991997399E+15
Volume
1.1709961860696E+23
Height
47040036.787916