812047981 is an odd 9-digits composite number following 812047980
and preceding 812047982 . In scientific notation, it is written as 8.12047981 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 811987264 positive integers (up to 812047981) that are relatively prime to 812047981.
812047981 has 4 divisors, whose sum is 812108700
The reverse of 812047981 is 189740218
Previous prime number is 19889
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
eight hundred twelve million forty-seven thousand nine hundred eighty-one
Scientific notation
8.12047981 × 10^8
Engineering notation
8.12047981 × 10^6
Prime Factorization
19889 × 40829
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
812047981
Product of the distinct prime numbers
The prime factorization of 812047981 is 19889 × 40829.
Since it has a total of 2 prime factors.
7 , 10 , 46 , 42 , 968 , 255 , 6934 , 5203 , 98504 , 3401 , 72439 , 463449 , 4658892 , 8195444 , 62917265 , 91720871 , 399238211 , 934763248 , 2219957134 , 8889094229
n×2
1624095962
n×3
2436143943
n×4
3248191924
n×5
4060239905
n÷2
406023990.5
n÷3
270682660.33333
n÷3
203011995.25
n÷5
162409596.2
n2
659421923446176361
n3
5.354822415616E+26
n4
4.3483727312145E+35
n5
3.5310872970182E+44
2 √n
28496.455586616
3 √n
932.95471444209
4 √n
168.80893218848
5 √n
60.522427405185
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
-812047980
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 812047981 can be divided by 4 positive divisors.
The sum of these divisors (counting 812047981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000011001101101111001101101
3
Ternary
2002121000022102011
4
Quaternary
300121231321231
5
Quinary
3130341013411
6
Senary
212325001221
8
Octal
6031557155
10
Decimal
812047981
12
Duodecimal
1a7b53211
16
Hexadecimal
3066de6d
20
Vigesimal
cdf5jj1
36
Base36
dfh08d
md5
e80e73487611457dc5cf6f1c8d5de272
sha1
41bab6f327deda1fa730d4df590d5863adf2ae9a
sha256
0fbcbf91c5283263428d30dcca77cc7785d63c85ad65cb9072a6663f472084af
sha512
5e9f0925de8b44aebe02fc099bba6476e7b0b5ba74967607bf2f9e232178a4bffac697fcd1f16fc0027431fb9239922919620db424c7605bb9979fb7545c9ea5
ripemd-160
0f8ed9abbdd6d0c68e040a1ab0e82d2979d71ef7
Diameter
1624095962
Circumference
5102247942.944
Area
2.0716350703146E+18
Volume
2.2430227682903E+27
Surface area
8.2865402812582E+18
Circumference
5102247942.944
Perimeter
3248191924
Area
659421923446176361
Diagonal
1148409268.0279
Surface area
3956531540677058166
Volume
5.354822415616E+26
Space diagonal
1406508361.2757
Perimeter
2436143943
Area
2.8553806875839E+17
Altitude
703254180.63786
Surface area
2.8553806875839E+17
Volume
6.3107187368864E+25
Height
382803089.34263