990807851 is an odd 9-digits composite number following 990807850
and preceding 990807852 . In scientific notation, it is written as 9.90807851 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 898723840 positive integers (up to 990807851) that are relatively prime to 990807851.
990807851 has 8 divisors, whose sum is 1083294000
The reverse of 990807851 is 158708099
Previous prime number is 449
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
nine hundred ninety million eight hundred seven thousand eight hundred fifty-one
Scientific notation
9.90807851 × 10^8
Engineering notation
9.90807851 × 10^6
Prime Factorization
11 × 449 × 200609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
990807851
Product of the distinct prime numbers
The prime factorization of 990807851 is 11 × 449 × 200609.
Since it has a total of 3 prime factors.
10 , 3 , 21 , 78 , 123 , 133 , 6150 , 4781 , 74344 , 74901 , 592909 , 967858 , 6113490 , 3250208 , 71813251 , 12453124 , 599560306 , 127578590 , 352289131 , 3251812894
n×2
1981615702
n×3
2972423553
n×4
3963231404
n×5
4954039255
n÷2
495403925.5
n÷3
330269283.66667
n÷3
247701962.75
n÷5
198161570.2
n2
981700197603238201
n3
9.7267626311354E+26
n4
9.6373527797424E+35
n5
9.5487647970254E+44
2 √n
31477.100422371
3 √n
996.92651369296
4 √n
177.41786951255
5 √n
62.979308497045
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
-990807850
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 990807851 can be divided by 8 positive divisors.
The sum of these divisors (counting 990807851) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000011101000011100101011
3
Ternary
2120001101020212002
4
Quaternary
323003220130223
5
Quinary
4012121322401
6
Senary
242152241215
8
Octal
7303503453
10
Decimal
990807851
12
Duodecimal
2379a020b
16
Hexadecimal
3b0e872b
20
Vigesimal
f9cajcb
36
Base36
gdwg8b
md5
9ba16b7036e11961f651fa59f07e0de9
sha1
b1552f1a008feaa89ca9178c32f358293fef87ac
sha256
08ea696d50646622eeb31296193b3f5002cba11687558f4db16a7482315f7c1d
sha512
6ab96e6b86a9eb56d2ebd3634b2331486878d670a4ec9c4fddd71dae8b63802a9f902d456ff65d5bce857e19e935d3dbfd02731ccf179eb16af8c6936a4c30d2
ripemd-160
142eac846e5aefaff5699d74e7d7d48e1e2e5a5c
Diameter
1981615702
Circumference
6225429331.6414
Area
3.084102128818E+18
Volume
4.0743368033582E+27
Surface area
1.2336408515272E+19
Circumference
6225429331.6414
Perimeter
3963231404
Area
981700197603238201
Diagonal
1401213900.5899
Surface area
5890201185619429206
Volume
9.7267626311354E+26
Space diagonal
1716129538.4701
Perimeter
2972423553
Area
4.250886550123E+17
Altitude
858064769.23507
Surface area
4.250886550123E+17
Volume
1.1463099692446E+26
Height
467071300.19665