820396987 is an odd 9-digits prime number following 820396986
and preceding 820396988 . In scientific notation, it is written as 8.20396987 × 10^8.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 820396986 positive integers (up to 820396987) that are relatively prime to 820396987.
820396987 has 2 divisors, whose sum is 820396988
The reverse of 820396987 is 789693028
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 52 Digital Root 7
Name
eight hundred twenty million three hundred ninety-six thousand nine hundred eighty-seven
Scientific notation
8.20396987 × 10^8
Engineering notation
8.20396987 × 10^6
Prime Factorization
820396987
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
820396987 Product of the distinct prime numbers
The prime factorization of 820396987 is 820396987.
Since it has a total of 1 prime factors.
1 , 3 , 17 , 86 , 929 , 658 , 6612 , 2561 , 27737 , 24078 , 135120 , 867545 , 9759116 , 404497 , 18963739 , 84979086 , 657494954 , 674711553 , 1658499199 , 6964440734
n×2
1640793974
n×3
2461190961
n×4
3281587948
n×5
4101984935
n÷2
410198493.5
n÷3
273465662.33333
n÷3
205099246.75
n÷5
164079397.4
n2
673051216278678169
n3
5.5216918993171E+26
n4
4.5299793973421E+35
n5
3.7163814487515E+44
2 √n28642.57298149
3 √n936.14118506978
4 √n169.24116810484
5 √n60.646370019413
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
820396988 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
410198494 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
28642.572998947 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999975622 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820396987 can be divided by 2 positive divisors.
The sum of these divisors (counting 820396987) is 820396988, the average is 410198494.
Base
System
Value
2
Binary
110000111001100100001110111011
3
Ternary
2010011201111002121
4
Quaternary
300321210032323
5
Quinary
3140010200422
6
Senary
213223542111
8
Octal
6071441673
10
Decimal
820396987
12
Duodecimal
1aa8ba937
16
Hexadecimal
30e643bb
20
Vigesimal
cg79c97
36
Base36
dkfyd7
md5
44d81ebda1966a7c24c60dd6b009268b
sha1
c79238ae09686e9c34cdcb6fefb8bc0e554a376f
sha256
2a3c25c2f1cba85686d8c1c426d24ffe7f3d403757c324c573dabd9aa19f9936
sha512
1d3a1b7b2efb6bda4d5be6c2f7b981eba12061dd92097ed37bb6ca62dddf3b715f2e898eb6651fd9a8d640d12b57be3c9a885ce20997ec53c98258101b96eed4
ripemd-160
4bc16020f14491d1a099940cfa13cc8f080c97d5
Diameter
1640793974
Circumference
5154706294.7728
Area
2.1144527565508E+18
Volume
2.3129208941708E+27
Surface area
8.4578110262031E+18
Circumference
5154706294.7728
Perimeter
3281587948
Area
673051216278678169
Diagonal
1160216545.5454
Surface area
4038307297672069014
Volume
5.5216918993171E+26
Space diagonal
1420969263.8604
Perimeter
2461190961
Area
2.9143972567267E+17
Altitude
710484631.93021
Surface area
2.9143972567267E+17
Volume
6.5073763093833E+25
Height
386738848.51514