990807890 is an even 9-digits composite number following 990807889
and preceding 990807891 . In scientific notation, it is written as 9.90807890 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 396323152 positive integers (up to 990807890) that are relatively prime to 990807890.
990807890 has 8 divisors, whose sum is 1783454220
The reverse of 990807890 is 098708099
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
nine hundred ninety million eight hundred seven thousand eight hundred ninety
Scientific notation
9.90807890 × 10^8
Engineering notation
9.90807890 × 10^6
Prime Factorization
2 × 5 × 99080789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
990807890
Product of the distinct prime numbers
The prime factorization of 990807890 is 2 × 5 × 99080789.
Since it has a total of 3 prime factors.
8 , 2 , 75 , 100 , 211 , 556 , 924 , 4508 , 21589 , 13029 , 728051 , 774437 , 4281398 , 6931612 , 41220737 , 29526285 , 947887446 , 104999507 , 6329075375 , 8873697003
n×2
1981615780
n×3
2972423670
n×4
3963231560
n×5
4954039450
n÷2
495403945
n÷3
330269296.66667
n÷3
247701972.5
n÷5
198161578
n2
981700274886252100
n3
9.7267637797247E+26
n4
9.6373542971174E+35
n5
9.5487666763094E+44
2 √n
31477.101041869
3 √n
996.92652677324
4 √n
177.41787125842
5 √n
62.979308992841
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
-990807889
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 990807890 can be divided by 8 positive divisors.
The sum of these divisors (counting 990807890) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000011101000011101010010
3
Ternary
2120001101020220112
4
Quaternary
323003220131102
5
Quinary
4012121323030
6
Senary
242152241322
8
Octal
7303503522
10
Decimal
990807890
12
Duodecimal
2379a0242
16
Hexadecimal
3b0e8752
20
Vigesimal
f9cajea
36
Base36
gdwg9e
md5
0268d0e6daaf5c11ffe0f5da5f5df0a7
sha1
84fe21387b06ab9d313dacc41486f68ffa1bf92c
sha256
2bfccdfb12caf24641a6b7279bb62f7a8d28cf99d59974284ab7e8a0b1d265c4
sha512
578969eef705bba0ff0a1565f354ab23e0270977fdfed59d0502197a1888370f6f7415075f38bed33915715332fa0a2320f8726024bcd8fef5951d2967423233
ripemd-160
717a747ba259edbe8a7a79ac94f5f8f1c4566d78
Diameter
1981615780
Circumference
6225429576.6856
Area
3.0841023716097E+18
Volume
4.0743372844782E+27
Surface area
1.2336409486439E+19
Circumference
6225429576.6856
Perimeter
3963231560
Area
981700274886252100
Diagonal
1401213955.7443
Surface area
5890201649317512600
Volume
9.7267637797247E+26
Space diagonal
1716129606.0201
Perimeter
2972423670
Area
4.2508868847683E+17
Altitude
858064803.01006
Surface area
4.2508868847683E+17
Volume
1.1463101046072E+26
Height
467071318.58142