820121663 is an odd 9-digits composite number following 820121662
and preceding 820121664 . In scientific notation, it is written as 8.20121663 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 819547920 positive integers (up to 820121663) that are relatively prime to 820121663.
820121663 has 4 divisors, whose sum is 820695408
The reverse of 820121663 is 366121028
Previous prime number is 1433
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
eight hundred twenty million one hundred twenty-one thousand six hundred sixty-three
Scientific notation
8.20121663 × 10^8
Engineering notation
8.20121663 × 10^6
Prime Factorization
1433 × 572311
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
820121663
Product of the distinct prime numbers
The prime factorization of 820121663 is 1433 × 572311.
Since it has a total of 2 prime factors.
7 , 2 , 21 , 45 , 427 , 507 , 7431 , 2432 , 15233 , 47298 , 391202 , 763531 , 7990671 , 1571123 , 56797557 , 54716107 , 977091177 , 676062774 , 7237093611 , 15882350
n×2
1640243326
n×3
2460364989
n×4
3280486652
n×5
4100608315
n÷2
410060831.5
n÷3
273373887.66667
n÷3
205030415.75
n÷5
164024332.6
n2
672599542121885569
n3
5.5161345501804E+26
n4
4.5239014406257E+35
n5
3.710149572734E+44
2 √n
28637.766375889
3 √n
936.03645082619
4 √n
169.22696704689
5 √n
60.642298906685
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-820121662
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820121663 can be divided by 4 positive divisors.
The sum of these divisors (counting 820121663) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111000100001000000111111
3
Ternary
2010011012111102102
4
Quaternary
300320201000333
5
Quinary
3134422343123
6
Senary
213214015315
8
Octal
6070410077
10
Decimal
820121663
12
Duodecimal
1aa7a753b
16
Hexadecimal
30e2103f
20
Vigesimal
cg5f433
36
Base36
dka1xb
md5
013aa35f7292b840aed60de6627c01f3
sha1
1b3ee133f2b2f0683209a684d74cfa4dd6f01b0d
sha256
de36d86064d94dd708b5de6d4a0853ad89091fee4ebaa19965d0f6a2bf56dd7b
sha512
38f699d0ea441bef97358427aef1c68604be05e753b81a7afb82ca4f26f5830e669dd191bf5a00533b641cfe9b05f32303c9eaad969c10928d521a1d6c40dde3
ripemd-160
f12b6f93c1f3672587669fb913df195fdabeecfc
Diameter
1640243326
Circumference
5152976383.0613
Area
2.113033780338E+18
Volume
2.3105930372079E+27
Surface area
8.4521351213519E+18
Circumference
5152976383.0613
Perimeter
3280486652
Area
672599542121885569
Diagonal
1159827178.6106
Surface area
4035597252731313414
Volume
5.5161345501804E+26
Space diagonal
1420492388.7039
Perimeter
2460364989
Area
2.9124414502567E+17
Altitude
710246194.35194
Surface area
2.9124414502567E+17
Volume
6.5008269106166E+25
Height
386609059.53686