820199387 is an odd 9-digits composite number following 820199386
and preceding 820199388 . In scientific notation, it is written as 8.20199387 × 10^8.
The sum of its digits is 47. It has a total of 5 prime factors and 18 positive divisors.
There are 683971344 positive integers (up to 820199387) that are relatively prime to 820199387.
820199387 has 18 divisors, whose sum is 980673372
The reverse of 820199387 is 783991028
Previous prime number is 37
Is Prime? no Number parity odd Number length 9 Sum of Digits 47 Digital Root 2
Name
eight hundred twenty million one hundred ninety-nine thousand three hundred eighty-seven
Scientific notation
8.20199387 × 10^8
Engineering notation
8.20199387 × 10^6
Prime Factorization
37 × 7 × 7 × 37 × 12227
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
3166793 Product of the distinct prime numbers
The prime factorization of 820199387 is 37 × 7 × 7 × 37 × 12227.
Since it has a total of 5 prime factors.
7 , 7 , 100 , 67 , 607 , 999 , 2121 , 7054 , 20119 , 36497 , 541003 , 641462 , 618750 , 1519716 , 80477782 , 54986830 , 926356820 , 312120118 , 8603799116 , 7006992162
n×2
1640398774
n×3
2460598161
n×4
3280797548
n×5
4100996935
n÷2
410099693.5
n÷3
273399795.66667
n÷3
205049846.75
n÷5
164039877.4
n2
672727034435175769
n3
5.5177030126206E+26
n4
4.5256166285995E+35
n5
3.7119079845743E+44
2 √n28639.12336298
3 √n936.06601969067
4 √n169.23097636952
5 √n60.643448293072
1 , 7 , 37 , 49 , 259 , 1369 , 1813 , 9583 , 12227 , 67081 , 85589 , 452399 , 599123 , 3166793 , 16738763 , 22167551 , 117171341 , 820199387
18 divisors
τ Total Divisors
18 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-820199386 Sum of the proper positive divisors of n
A Arithmetic Mean
0.055555555555556 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
18 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820199387 can be divided by 18 positive divisors.
The sum of these divisors (counting 820199387) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
110000111000110011111111011011
3
Ternary
2010011100110001002
4
Quaternary
300320303333123
5
Quinary
3134432340022
6
Senary
213215415215
8
Octal
6070637733
10
Decimal
820199387
12
Duodecimal
1aa82450b
16
Hexadecimal
30e33fdb
20
Vigesimal
cg64i97
36
Base36
dkbpwb
md5
56ccf61d42c865fea0c1ec64f1b6292a
sha1
7964728368595268f6c87e8e1db22bc63d503840
sha256
a05c6483f09ab96054ee115f8f40a5f990470df2495a12d4bf43dd2f8c5da9c2
sha512
65a838044a91eda2d216869a8a0efee91670743a0957203b98864621584da186144f5dd7ea3f0c1c716643cfddf8de61ccc96e841e99a9ca79b8a21b196887de
ripemd-160
341bbf57857c0e00c31e3ff6d1a94d5b258a77a9
Diameter
1640398774
Circumference
5153464737.3561
Area
2.1134343092528E+18
Volume
2.3112500332185E+27
Surface area
8.4537372370112E+18
Circumference
5153464737.3561
Perimeter
3280797548
Area
672727034435175769
Diagonal
1159937096.9455
Surface area
4036362206611054614
Volume
5.5177030126206E+26
Space diagonal
1420627010.6208
Perimeter
2460598161
Area
2.9129935081672E+17
Altitude
710313505.31042
Surface area
2.9129935081672E+17
Volume
6.5026753613291E+25
Height
386645698.98183